CN106566946A - Rare earth-copper alloy glass mold and preparation method thereof - Google Patents
Rare earth-copper alloy glass mold and preparation method thereof Download PDFInfo
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- CN106566946A CN106566946A CN201610910458.XA CN201610910458A CN106566946A CN 106566946 A CN106566946 A CN 106566946A CN 201610910458 A CN201610910458 A CN 201610910458A CN 106566946 A CN106566946 A CN 106566946A
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- 239000011521 glass Substances 0.000 title claims abstract description 78
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 100
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 83
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 46
- 239000000956 alloy Substances 0.000 claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims abstract description 39
- 229910052802 copper Inorganic materials 0.000 claims abstract description 38
- 239000011701 zinc Substances 0.000 claims abstract description 38
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 37
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 26
- 238000000137 annealing Methods 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000003723 Smelting Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 12
- 239000010951 brass Substances 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052729 chemical element Inorganic materials 0.000 claims description 25
- 239000004411 aluminium Substances 0.000 claims description 19
- 238000005266 casting Methods 0.000 claims description 15
- GBAOZECSOKXKEL-UHFFFAOYSA-N copper yttrium Chemical compound [Cu].[Y] GBAOZECSOKXKEL-UHFFFAOYSA-N 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 239000004576 sand Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 7
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 claims description 6
- 241001124569 Lycaenidae Species 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 235000014987 copper Nutrition 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 238000010183 spectrum analysis Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 238000007528 sand casting Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000005347 annealed glass Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 150000003722 vitamin derivatives Chemical class 0.000 description 2
- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 230000018984 mastication Effects 0.000 description 1
- 238000010077 mastication Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- -1 zinc-aluminium copper-nickel Chemical compound 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The invention relates to a rare earth-copper alloy glass mold and a preparation method thereof and belongs to the field of glass mold materials. The rare earth-copper alloy glass mold is composed of, by mass, 9-12% of nickel, 7-10% of aluminum, 8-12% of zinc, less than 0.5% of iron, 0.01-0.5% of rare earth and the balance copper. The preparation method includes the steps that brass alloy is prepared from zinc and electrolytic copper; the aluminum, nickel, iron and copper which are weighed are put into a smelting furnace, the brass alloy is added, standing is carried out, impurities float upward, slagging-off is carried out, copper-rare earth intermediate alloy is added, and slagging-off is carried out again; the temperature of rare earth-copper alloy glass mold melt to be poured is increased, and the rare earth-copper alloy glass mold melt to be poured is discharged out of the furnace and poured into a resin sand casting mold; the obtained rare earth-copper alloy glass mold to be annealed is subjected to stress relief annealing and heat preservation and cooled to the room temperature, and the finished rare earth-copper alloy glass mold is obtained. The flowability and toughness of the alloy are improved. The strength and hardness of the alloy are improved, and the abrasion resistance is enhanced. The mechanical properties and impingement corrosion resistance of materials are improved. The toughness and thermal conductivity of the materials are improved.
Description
Technical field
The invention belongs to glass mold material field, and in particular to a kind of rare-earth copper alloy glass mold, and further relate to
Its preparation method.
Background technology
Glass mold is the main equipment for producing glassware, and its high-temperature glass liquid frequently with 600 DEG C -1100 DEG C connects
Touch, subject the effect such as oxidation, growth, heat exchange, heat fatigue, simultaneously because matched moulds is frequently molded, therefore it is required that mould
Contact surface has excellent abrasion resistance properties.Specifically, it is desirable to which glass mold surface of internal cavity has good high temperature resistant, wear-resisting
Performance, antioxygenic property and corrosion resisting property and use and increase the service life；Require the cylindrical with excellent radiating of glass mold
Performance, mould integrally has good toughness ideally to adapt to high-speed production demand.
With the development that bottle technology processed is maked rapid progress, for the requirement more and more higher of glass mold, copper alloy glass mould
Be used in already in the workshop of integrated mill, its mainly based on common zinc-aluminium copper-nickel alloy, such as invention patent mandate notification number
CN102732745B recommends have " nickelic copper alloy glass mould and its manufacture method ", chemical element composition and its matter that it is provided
Measuring percentage is：Al：8.5-10.5%、Ni：14-16%, Zn：7.5-9.5%, Si：0.8-1.2%、Fe：0.8-1.2%、Mn：
0.08-0.15%, remaining is copper, although such copper alloy die improves the anticorrosive, anti-of material containing higher Ni contents
Oxidation susceptibility, and the hardness of copper alloy is improved by the solution strengthening effect of Zn and Cu, but because the copper of current exploitation is closed
The technical problem that both golden glass mold generally existing intensity hardness and thermal conductivity are difficult to or even cannot get both, specifically：By force
Degree hardness is high, then heat conductivility is poor, on the contrary same example, this is because the intensity and material thermal conductivity of material are conflicts.
In metallurgical industry, rare earth is often referred to as " vitamin " of metal material.Main Function of the rare earth in copper alloy
Have：The harmful elements such as deoxidation, desulfurization, dehydrogenation and removing lead, purifying copper alloying component；Dendritic TiC, crystal grain thinning are eliminated, modeling is improved
Property and intensity, reduce face crack and defect；Improve the hot-working character of copper alloy；The thermal conductivity of raising copper alloy,
Heat resistance, non-oxidizability and welding performance.Rare earth confirms by substantial amounts of experiment to the improvement of copper alloy performance, such as：General
Add a certain amount of rare earth to produce the copper bar of high conductivity in logical cathode copper, its conductance, thermal conductivity, tensile strength, prolong
Stretch the indexs such as rate, hot mastication temperature and be superior to common copper bar.
Adding appropriate rare earth simultaneously can improve the casting character of alloy, improve the mobility of alloy molten liquid, reduce casting
The tendency of shrinkage cavity, pore, segregation and crackle, improves qualified casting；Simultaneously rare earth has modifying function to metal surface, can be bright
It is aobvious to carry heavy alloyed non-oxidizability, anti-hydrogen embrittlement, wear-resistant, corrosion resistance, extend the service life of alloy.
Although the application about rare earth in copper alloy has been reported that both at home and abroad, with regard to rare earth in high property copper alloy
Application in glass mold material, particularly yttrium-base heavy rare earth but have no special in the application of high property copper alloy glass mold material
Sharp document and non-patent literature report that technical scheme described below is produced under this background.
The content of the invention
The top priority of the present invention is to provide a kind of with high thermal conductivity, high intensity, high tenacity, while with good
The rare-earth copper alloy glass mold to adapt to high-speed bottle machine high speed production needs of oxidation and corrosion performance.
Another task of invention is to provide a kind of preparation method of rare-earth copper alloy glass mold, and the method is conducive to
By the deoxidation of rare earth, desulfidation purifying copper alloying component, contribute to eliminating Dendritic TiC, crystal grain thinning, close so as to improve copper
Intensity, the toughness of gold, and then improve the mold use life-span；By the addition of rare earth, the flowing of copper water can be further improved
Property, the yield rate of casting is improved, reduce the direct processing cost of mould.
To complete the top priority of the present invention, the technical scheme that the present invention is provided is：A kind of rare-earth copper alloy glass mold,
Its chemical element composition and its quality % ratio are：The nickel of 9-12%, the aluminium of 7-10%, the zinc of 8-12%, the iron of ＜ 0.5%, 0.01-
0.5% rare earth, remaining is copper.
In a specific embodiment of the present invention, a kind of rare-earth copper alloy glass mold, its chemical element and its matter
Measuring % ratios is：10% nickel, 7% aluminium, 8% zinc, 0.4% iron, 0.2% rare earth, remaining is copper.
The present invention another specific embodiment in, a kind of rare-earth copper alloy glass mold, its chemical element and its
Quality % ratio is：12% nickel, 9% aluminium, 10% zinc, 0.3% iron, 0.5% rare earth, remaining is copper.
The present invention another specific embodiment in, a kind of rare-earth copper alloy glass mold, its chemical element and its
Quality % ratio is：9% nickel, 10% aluminium, 12% zinc, 0.35% iron, 0.01% rare earth, remaining is copper.
In another specific embodiment of the present invention, the hardness of described rare-earth copper alloy glass mold is 190-
250HBW, thermal conductivity factor is 282-302w/ (m.k).
To complete another task of the present invention, the technical scheme that the present invention is provided is；A kind of rare-earth copper alloy glass mold
Preparation method, comprise the following steps：
A) melting, it is 45 that mass ratio prepared by zinc and cathode copper and zinc and copper is prepared first:55 brass alloys, secondly,
According to the quality % ratio of each element in rare-earth copper alloy glass mold material, load weighted aluminium, nickel, iron and copper are put into into smelting furnace
In, described brass alloys are added when smelting temperature reaches 1200-1250 DEG C, when smelting temperature reaches 1280-1300 DEG C,
Power-off stands 5-10min, makes impurity float to purify copper water, is then skimmed, and then adds copper-rare earth intermediate alloy, treats
Skim again after copper-rare earth intermediate alloy fusing and while using the quality % content of spectrum analysis adjustment chemical element, obtain
Rare-earth copper alloy glass mold solution to be cast；
B) moulding by casting, first by step A）Described rare-earth copper alloy glass mold liquation to be cast is warming up to 1280-1320
DEG C, then come out of the stove and be poured in resin-bonded sand cast form, before cast, place in the inner chamber of resin-bonded sand cast form for molding glass molds
The chill loam core of the inner chamber of tool, casting complete stands, and then removes chill loam core, obtains rare-earth copper alloy glass molds to be annealed
Tool；
C）Annealing, will be by step B）The rare-earth copper alloy glass mold to be annealed for obtaining carries out stress relief annealing, and destressing is moved back
Fire is incubated after terminating and room temperature is cooled to after insulation, obtains rare-earth copper alloy glass mold.
In an also specific embodiment of the present invention, step A）Described in cathode copper be 1# cathode coppers, it is described
Nickel be 1# electrolytic nickels, described zinc is 1# zinc.
In the present invention more and in a specific embodiment, step A）Described in employing spectrum analysis adjustment chemistry unit
The quality % content of element is to be adjusted to the quality % content of chemical element：The nickel of 9-12%, the aluminium of 7-10%, the zinc of 8-12%, ＜
0.5% iron, the rare earth of 0.01-0.5%, remaining is copper.
The present invention's and then in a specific embodiment, step A）Described in copper-rare earth intermediate alloy be yttrium base
Heavy rare earth and the addition in the form of copper-yttrium intermediate alloy, the chemical element and its quality % of the copper-yttrium intermediate alloy are：ReO：
1-11%, Cu：45-55%, Si：10-15%, Fe：20-25%, Mg：＜ 5%, B：＜ 5%.
In the present invention again more and in a specific embodiment, step B) described in time of standing be 40-
60min；Step C）Described in stress relief annealing carry out in the lehr, and the temperature of stress relief annealing be 600-
630 DEG C, the time that described stress relief annealing is incubated after terminating is 4-6h, and with the cooling of≤50 DEG C/h after insulation 4-6h
Speed is cooled to room temperature.
The technical scheme that the present invention is provided has technical effect that：First, due to the aluminium element in formula have it is certain
Deoxidation, thus can improve the casting character of alloy, puies forward heavy alloyed mobility, at the same its have α phases in diminution copper alloy,
Increase β phases, the effect for preventing fragility γ phase from separating out can indirectly improve the toughness of material；Second, due to the Ni elements in formula
Continuous solid solution can be formed with the element of infinitely dissolve with matrix Cu as a kind of, thus the corrosion resisting property of alloy can be improved,
Improve intensity and do not reduce elongation, toughness；Third, because the Zn elements in formula not only have the effect of degasification deoxidation, together
When α, β solid solution for being formed, it is thus possible to put forward heavy alloyed intensity and hardness, strengthen the wear resistance of mould；Fourth, due to
The Fe elements of micro addition in formula can crystal grain thinning, thus be improved the mechanical property and shock resistance corrosivity of material
Energy；Fifth, the rare earth element added in formula changes impurity element micro in copper alloy as the vitamin of metal alloy
Existing way in the alloy, makes these materials that distortion of lattice to occur, and improves the inequality that these trace elements are distributed in the alloy
Even property, has purified the matrix and crystal boundary of alloy, improves the toughness and thermal conductivity of material, and then improves the mold use longevity
Life.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1：
A) melting, it is 45 to prepare first by prepared by the zinc and cathode copper and zinc and the mass ratio of copper of commercially available channel acquisition:55
Brass alloys, secondly, according to each element in rare-earth copper alloy glass mold material（I.e. each chemical element）Quality % ratio will claim
Measured aluminium, nickel, iron and copper put into smelting furnace（That is smelting furnace）In, described brass is added when smelting temperature reaches 1230 DEG C
Alloy, when smelting temperature reaches 1280 DEG C, power-off stands 10min, makes impurity fully float to purify copper water, is then taken off
Slag, then adds copper-rare earth intermediate alloy, skims again after copper-rare earth intermediate alloy fusing and while using spectrum point
Analysis adjusts the quality % content of chemical element：10% nickel, 7% aluminium, 8% zinc, 0.4% iron, 0.2% rare earth, remaining is
Copper, obtains rare-earth copper alloy glass mold solution to be cast, and the cathode copper described in this step is 1# cathode coppers, described
Nickel is 1# electrolytic nickels, and described zinc is 1# zinc, the copper-rare earth intermediate alloy described in this step be yttrium-base heavy rare earth and with
The form of copper-yttrium intermediate alloy is added, and the chemical element and its quality % ratio of the copper-yttrium intermediate alloy are：ReO：1%, Cu：55%,
Si：15%, Fe：25%, Mg：2%, B：2%；
B) moulding by casting, first by step A）Described rare-earth copper alloy glass mold liquation to be cast is warming up to 1300 DEG C, then
Come out of the stove and be poured in resin-bonded sand cast form, before cast, place in the inner chamber of resin-bonded sand cast form for molding glass mold
The chill loam core of inner chamber, stands 40min after casting complete, then remove chill loam core, obtains rare-earth copper alloy glass to be annealed
Glass mould；
C）Annealing, will be by step B）The rare-earth copper alloy glass mold to be annealed for obtaining is introduced in annealing furnace and carries out destressing and move back
Fire, the temperature of stress relief annealing is 600 DEG C, and the temperature retention time after stress relief annealing terminates is 6h, with≤50 DEG C/h after insulation 6h
Cooling velocity be cooled to room temperature, obtain rare-earth copper alloy glass mold, Jing tests, the hardness of the rare-earth copper alloy glass mold
For 190HBW, thermal conductivity factor is 302W（m·k）.
Embodiment 2：
A) melting, it is 45 to prepare first by prepared by the zinc and cathode copper and zinc and the mass ratio of copper of commercially available channel acquisition:55
Brass alloys, secondly, according to each element in rare-earth copper alloy glass mold material（I.e. each chemical element）Quality % ratio will claim
Measured aluminium, nickel, iron and copper put into smelting furnace（That is smelting furnace）In, described brass is added when smelting temperature reaches 1250 DEG C
Alloy, when smelting temperature reaches 1300 DEG C, power-off stands 5min, makes impurity fully float to purify copper water, is then taken off
Slag, then adds copper-rare earth intermediate alloy, skims again after copper-rare earth intermediate alloy fusing and while using spectrum point
Analysis adjusts the quality % content of chemical element：12% nickel, 9% aluminium, 10% zinc, 0.3% iron, 0.5% rare earth, remaining is
Copper, obtains rare-earth copper alloy glass mold solution to be cast, and the cathode copper described in this step is 1# cathode coppers, described
Nickel is 1# electrolytic nickels, and described zinc is 1# zinc, the copper-rare earth intermediate alloy described in this step be yttrium-base heavy rare earth and with
The form of copper-yttrium intermediate alloy is added, and the chemical element and its quality % ratio of the copper-yttrium intermediate alloy are：ReO：11%, Cu：
45%, Si：13%, Fe：22%, Mg：4%, B：5%；
B) moulding by casting, first by step A）Described rare-earth copper alloy glass mold liquation to be cast is warming up to 1320 DEG C, then
Come out of the stove and be poured in resin-bonded sand cast form, before cast, place in the inner chamber of resin-bonded sand cast form for molding glass mold
The chill loam core of inner chamber, stands 60min after casting complete, then remove chill loam core, obtains rare-earth copper alloy glass to be annealed
Glass mould；
C）Annealing, will be by step B）The rare-earth copper alloy glass mold to be annealed for obtaining is introduced in annealing furnace and carries out destressing and move back
Fire, the temperature of stress relief annealing is 630 DEG C, and the temperature retention time after stress relief annealing terminates is 4h, with≤50 DEG C/h after insulation 4h
Cooling velocity be cooled to room temperature, obtain rare-earth copper alloy glass mold, Jing tests, the hardness of the rare-earth copper alloy glass mold
For 250HBW, thermal conductivity factor is 282W（m·k）.
Embodiment 3：
A) melting, it is 45 to prepare first by prepared by the zinc and cathode copper and zinc and the mass ratio of copper of commercially available channel acquisition:55
Brass alloys, secondly, according to each element in rare-earth copper alloy glass mold material（I.e. each chemical element）Quality % ratio will claim
Measured aluminium, nickel, iron and copper put into smelting furnace（That is smelting furnace）In, described brass is added when smelting temperature reaches 1200 DEG C
Alloy, when smelting temperature reaches 1290 DEG C, power-off stands 8min, makes impurity fully float to purify copper water, is then taken off
Slag, then adds copper-rare earth intermediate alloy, skims again after copper-rare earth intermediate alloy fusing and while using spectrum point
Analysis adjusts the quality % content of chemical element：9% nickel, 10% aluminium, 12% zinc, 0.35% iron, 0.01% rare earth, remaining
For copper, rare-earth copper alloy glass mold solution to be cast is obtained, the cathode copper described in this step is 1# cathode coppers, described
Nickel be 1# electrolytic nickels, described zinc is 1# zinc, the copper-rare earth intermediate alloy described in this step be yttrium-base heavy rare earth and
Added in the form of copper-yttrium intermediate alloy, the chemical element and its quality % ratio of the copper-yttrium intermediate alloy are：ReO：6%, Cu：
55%, Si：10%, Fe：20%, Mg：5%, B：4%；
B) moulding by casting, first by step A）Described rare-earth copper alloy glass mold liquation to be cast is warming up to 1295 DEG C, then
Come out of the stove and be poured in resin-bonded sand cast form, before cast, place in the inner chamber of resin-bonded sand cast form for molding glass mold
The chill loam core of inner chamber, stands 50min after casting complete, then remove chill loam core, obtains rare-earth copper alloy glass to be annealed
Glass mould；
C）Annealing, will be by step B）The rare-earth copper alloy glass mold to be annealed for obtaining is introduced in annealing furnace and carries out destressing and move back
Fire, the temperature of stress relief annealing is 615 DEG C, and the temperature retention time after stress relief annealing terminates is 5h, with≤50 DEG C/h after insulation 5h
Cooling velocity be cooled to room temperature, obtain rare-earth copper alloy glass mold, Jing tests, the hardness of the rare-earth copper alloy glass mold
For 230HBW, thermal conductivity factor is 294W（m·k）.
Claims (10)
1. a kind of rare-earth copper alloy glass mold, it is characterised in that its chemical element composition and its quality % ratio are：The nickel of 9-12%,
The aluminium of 7-10%, the zinc of 8-12%, the iron of ＜ 0.5%, the rare earth of 0.01-0.5%, remaining is copper.
2. rare-earth copper alloy glass mold according to claim 1, it is characterised in that its chemical element and its quality % ratio
For：10% nickel, 7% aluminium, 8% zinc, 0.4% iron, 0.2% rare earth, remaining is copper.
3. rare-earth copper alloy glass mold according to claim 1, it is characterised in that its chemical element and its quality % ratio
For：12% nickel, 9% aluminium, 10% zinc, 0.3% iron, 0.5% rare earth, remaining is copper.
4. rare-earth copper alloy glass mold according to claim 1, it is characterised in that its chemical element and its quality % ratio
For：9% nickel, 10% aluminium, 12% zinc, 0.35% iron, 0.01% rare earth, remaining is copper.
5. the rare-earth copper alloy glass mold according to claim 1 to 5 any claim, it is characterised in that described is dilute
The hardness of native copper alloy glass mould is 190-250HBW, and thermal conductivity factor is 282-302w/ (m.k).
6. a kind of preparation method of rare-earth copper alloy glass mold as claimed in claim 1, it is characterised in that including following step
Suddenly：
A) melting, it is 45 that mass ratio prepared by zinc and cathode copper and zinc and copper is prepared first:55 brass alloys, secondly,
According to the quality % ratio of each element in rare-earth copper alloy glass mold material, load weighted aluminium, nickel, iron and copper are put into into smelting furnace
In, described brass alloys are added when smelting temperature reaches 1200-1250 DEG C, when smelting temperature reaches 1280-1300 DEG C,
Power-off stands 5-10min, makes impurity float to purify copper water, is then skimmed, and then adds copper-rare earth intermediate alloy, treats
Skim again after copper-rare earth intermediate alloy fusing and while using the quality % content of spectrum analysis adjustment chemical element, obtain
Rare-earth copper alloy glass mold solution to be cast；
B) moulding by casting, first by step A）Described rare-earth copper alloy glass mold liquation to be cast is warming up to 1280-1320
DEG C, then come out of the stove and be poured in resin-bonded sand cast form, before cast, place in the inner chamber of resin-bonded sand cast form for molding glass molds
The chill loam core of the inner chamber of tool, casting complete stands, and then removes chill loam core, obtains rare-earth copper alloy glass molds to be annealed
Tool；
C）Annealing, will be by step B）The rare-earth copper alloy glass mold to be annealed for obtaining carries out stress relief annealing, and destressing is moved back
Fire is incubated after terminating and room temperature is cooled to after insulation, obtains rare-earth copper alloy glass mold.
7. the preparation method of rare-earth copper alloy glass mold according to claim 6, it is characterised in that step A）Described in
Cathode copper be 1# cathode coppers, described nickel is 1# electrolytic nickels, and described zinc is 1# zinc.
8. the preparation method of rare-earth copper alloy glass mold according to claim 6, it is characterised in that step A）Described in
Employing spectrum analysis adjustment chemical element quality % content be to be adjusted to the quality % content of chemical element：The nickel of 9-12%,
The aluminium of 7-10%, the zinc of 8-12%, the iron of ＜ 0.5%, the rare earth of 0.01-0.5%, remaining is copper.
9. the preparation method of rare-earth copper alloy glass mold according to claim 6, it is characterised in that step A）Described in
Copper-rare earth intermediate alloy be yttrium-base heavy rare earth and in the form of copper-yttrium intermediate alloy add, the copper-yttrium intermediate alloy
Chemical element and its quality % are：ReO：1-11%, Cu：45-55%, Si：10-15%, Fe：20-25%, Mg：＜ 5%, B：＜
5%.
10. the preparation method of rare-earth copper alloy glass mold according to claim 6, it is characterised in that step B) described in
Standing time be 40-60min；Step C）Described in stress relief annealing carry out in the lehr, and destressing
The temperature of annealing is 600-630 DEG C, and the time that described stress relief annealing is incubated after terminating is 4-6h, and after insulation 4-6h
Room temperature is cooled to the cooling velocity of≤50 DEG C/h.
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| CN201610910458.XA CN106566946A (en) | 2016-10-19 | 2016-10-19 | Rare earth-copper alloy glass mold and preparation method thereof |
| PCT/CN2017/074497 WO2018072368A1 (en) | 2016-10-19 | 2017-02-23 | Rare earth-copper alloy glass mold and preparation method therefor |
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| CN108085537A (en) * | 2017-12-19 | 2018-05-29 | 常熟市伟恒模具铸造有限公司 | The copper alloy glass mold production method of control molding facial disfigurement |
| WO2020118744A1 (en) * | 2018-12-13 | 2020-06-18 | 常熟建华模具科技股份有限公司 | Rare earth-copper alloy lightweight glass mold and preparation method therefor |
| CN111334684A (en) * | 2020-03-20 | 2020-06-26 | 苏州东方模具科技股份有限公司 | Solid solution state high-toughness high-heat-conductivity copper alloy glass mold and preparation method thereof |
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