CN106636745A - High-melting-point titanium alloy and preparation method thereof - Google Patents
High-melting-point titanium alloy and preparation method thereof Download PDFInfo
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- CN106636745A CN106636745A CN201611157710.0A CN201611157710A CN106636745A CN 106636745 A CN106636745 A CN 106636745A CN 201611157710 A CN201611157710 A CN 201611157710A CN 106636745 A CN106636745 A CN 106636745A
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 17
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 17
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 17
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 17
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 17
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 17
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims description 26
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 238000009288 screen filtration Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 229910052702 rhenium Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 229910000612 Sm alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses high-melting-point titanium alloy and a preparation method thereof. The high-melting-point titanium alloy is composed of, by mass fraction, 30-45 parts of titanium sponge particles, 10-15 parts of copper powder, 10-15 parts of iron powder, 5-8 parts of tungsten powder, 5-8 parts of molybdenum powder, 5-6 parts of niobium powder, 3-5 parts of tantalum powder, 3-4 parts of vanadium powder, 1-2 parts of zirconium powder, 1-2 parts of rhenium powder and 1-2 parts of hafnium powder. The titanium alloy prepared through the preparation method is stable in composition.
Description
Technical field
The present invention relates to metal alloy compositions field, in particular to a kind of high-melting-point titanium alloy and preparation method thereof.
Background technology
Titanium is a kind of important structural metal for growing up the 1950's, and titanium alloy is because high, anti-corrosion with intensity
The features such as property is good, heat resistance is high and be widely used in every field.In the world many countries all recognize the weight of titanium alloy material
The property wanted, researchs and develops to it in succession, and is applied.50~sixties of 20th century, mainly develop aviation and send out
The high-temperature titanium alloy of motivation and the structural titanium alloy of body, develop a collection of corrosion resistant Ti alloy the seventies, since the eighties,
Corrosion resistant Ti alloy and high-strength titanium alloy are further developed.Titanium alloy is mainly used in making aircraft engine compressor part,
Secondly it is the structural member of rocket, guided missile and high-speed aircraft.The elements such as tungsten, molybdenum, niobium, tantalum, vanadium, zirconium, rhenium infinitely can admittedly melt with titanium
Alloy, but such alloy generally existing certain mass problem at present are made, because the fusing point of these element ratio titaniums is high, and density
Greatly, therefore prepare ingot casting duration in melting and the phenomenon such as uneven occur.
The content of the invention
The invention provides a kind of high-melting-point titanium alloy and preparation method.
For achieving the above object, the present invention provides following technical scheme:
A kind of high-melting-point titanium alloy, is made up of following mass fraction formula components:30~45 parts of titanium sponge particles, copper powders
10~15 parts, 10~15 parts of iron powder, 5~8 parts of tungsten powder, 5~8 parts of molybdenum powder, 5~6 parts of niobium powder, 3~5 parts of tantalum powder,
1~2 part of 3~4 parts of vanadium powder, 1~2 part of zirconium powder, 1~2 part of rhenium powder and hafnium powder.
Further, it is made up of following mass fraction formula components:30 parts of titanium sponge particles, 10 parts of copper powders, iron powder 10
Part, 5 parts of tungsten powder, 5 parts of molybdenum powder, 5 parts of niobium powder, 3 parts of tantalum powder, 3 parts of vanadium powder, 1 part of zirconium powder, 1 part of rhenium powder and hafnium
1 part of powder.
Further, it is made up of following mass fraction formula components:45 parts of titanium sponge particles, 15 parts of copper powders, iron powder 15
Part, 8 parts of tungsten powder, 8 parts of molybdenum powder, 6 parts of niobium powder, 5 parts of tantalum powder, 4 parts of vanadium powder, 2 parts of zirconium powder, 2 parts of rhenium powder and hafnium
2 parts of powder.
Further, it is made up of following mass fraction formula components:40 parts of titanium sponge particles, 12 parts of copper powders, iron powder 12
Part, 7 parts of tungsten powder, 6 parts of molybdenum powder, 5 parts of niobium powder, 4 parts of tantalum powder, 3 parts of vanadium powder, 2 parts of zirconium powder, 1 part of rhenium powder and hafnium
2 parts of powder.
Further:Preparation method of the present invention has following steps:
Step one, using the screen filtration titanium sponge particles of 5 mesh, obtains the qualified titanium sponge particles of diameter;
Step 2, using the screen filtration copper powders of 200 mesh, iron powder, tungsten powder, molybdenum powder, niobium powder, tantalum powder,
Vanadium powder, zirconium powder, rhenium powder and hafnium powder, obtain the qualified metal dust of diameter;
Step 3, titanium sponge particles and metal dust is carried out dry-mixed, 5~6 hours dry-mixed time, obtains mixture 1;
Step 4, by mixture alloy body 1 is pressed into, and outer including one layer of titanium shell, the thickness of the titanium shell in alloy body 1
For 0.5~1mm, alloy body 2 is obtained;
Step 5, by self-consumption electrode arc melting furnace alloy body 2 melting is carried out, and melting voltage is 26~40v, obtains alloy
Body 2.
Step 6, alloy body 2 is sintered under tube furnace hydrogen shield atmosphere, and sintering Hydrogen Vapor Pressure is 0.7~0.8MPa, with
The programming rate of 3 DEG C/min is incubated 1h after being heated to 600 DEG C, be then heated to 940 DEG C with the programming rate of 3 DEG C/min and protected
Temperature sintering 4h, then power-off, under conditions of continuous protective atmosphere, sample after being less than 200 DEG C with stove water cooling to sample area temperature
Product are come out of the stove, and obtain alloy body 3;
Step 7, alloy body 3 is poured into a mould, and pouring temperature is 1250 DEG C, makes finished product.
The invention has the beneficial effects as follows:
1st, step of the present invention is simple, reasonable in design, cost is relatively low.
2nd, titanium alloy component of the invention is stablized, without Density inhomogeneity phenomenon.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment one:
A kind of high-melting-point titanium alloy, is made up of following mass fraction formula components:30~45 parts of titanium sponge particles, copper powders
10~15 parts, 10~15 parts of iron powder, 5~8 parts of tungsten powder, 5~8 parts of molybdenum powder, 5~6 parts of niobium powder, 3~5 parts of tantalum powder,
1~2 part of 3~4 parts of vanadium powder, 1~2 part of zirconium powder, 1~2 part of rhenium powder and hafnium powder.
Embodiment two:
A kind of high-melting-point titanium alloy, is made up of following mass fraction formula components:30 parts of titanium sponge particles, copper powders 10
Part, 10 parts of iron powder, 5 parts of tungsten powder, 5 parts of molybdenum powder, 5 parts of niobium powder, 3 parts of tantalum powder, 3 parts of vanadium powder, 1 part of zirconium powder, rhenium
1 part of 1 part of powder and hafnium powder.
Embodiment three:
A kind of high-melting-point titanium alloy, is made up of following mass fraction formula components:45 parts of titanium sponge particles, copper powders 15
Part, 15 parts of iron powder, 8 parts of tungsten powder, 8 parts of molybdenum powder, 6 parts of niobium powder, 5 parts of tantalum powder, 4 parts of vanadium powder, 2 parts of zirconium powder, rhenium
2 parts of 2 parts of powder and hafnium powder.
Example IV:
A kind of high-melting-point titanium alloy, is made up of following mass fraction formula components:40 parts of titanium sponge particles, copper powders 12
Part, 12 parts of iron powder, 7 parts of tungsten powder, 6 parts of molybdenum powder, 5 parts of niobium powder, 4 parts of tantalum powder, 3 parts of vanadium powder, 2 parts of zirconium powder, rhenium
2 parts of 1 part of powder and hafnium powder.
Embodiment five:
A kind of high-melting-point titanium alloy its preparation method comprises the steps:
Step one, using the screen filtration titanium sponge particles of 5 mesh, obtains the qualified titanium sponge particles of diameter;
Step 2, using the screen filtration copper powders of 200 mesh, iron powder, tungsten powder, molybdenum powder, niobium powder, tantalum powder,
Vanadium powder, zirconium powder, rhenium powder and hafnium powder, obtain the qualified metal dust of diameter;
Step 3, titanium sponge particles and metal dust is carried out dry-mixed, 5~6 hours dry-mixed time, obtains mixture 1;
Step 4, by mixture alloy body 1 is pressed into, and outer including one layer of titanium shell, the thickness of the titanium shell in alloy body 1
For 0.5~1mm, alloy body 2 is obtained;
Step 5, by self-consumption electrode arc melting furnace alloy body 2 melting is carried out, and melting voltage is 26~40v, obtains alloy
Body 2.
Step 6, alloy body 2 is sintered under tube furnace hydrogen shield atmosphere, and sintering Hydrogen Vapor Pressure is 0.7~0.8MPa, with
The programming rate of 3 DEG C/min is incubated 1h after being heated to 600 DEG C, be then heated to 940 DEG C with the programming rate of 3 DEG C/min and protected
Temperature sintering 4h, then power-off, under conditions of continuous protective atmosphere, sample after being less than 200 DEG C with stove water cooling to sample area temperature
Product are come out of the stove, and obtain alloy body 3;
Step 7, alloy body 3 is poured into a mould, and pouring temperature is 1250 DEG C, makes finished product.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (5)
1. a kind of high-melting-point titanium alloy, it is characterised in that:It is made up of following mass fraction formula components:
30~45 parts of titanium sponge particles, 10~15 parts of copper powders, 10~15 parts of iron powder, 5~8 parts of tungsten powder, molybdenum powder 5~8
Part, 5~6 parts of niobium powder, 3~5 parts of tantalum powder, 3~4 parts of vanadium powder, 1~2 part of zirconium powder, 1~2 part of rhenium powder and hafnium powder 1
~2 parts.
2. a kind of high-melting-point titanium alloy according to claim 1, it is characterised in that:By following mass fraction formula components group
Into:
30 parts of titanium sponge particles, 10 parts of copper powders, 10 parts of iron powder, 5 parts of tungsten powder, 5 parts of molybdenum powder, 5 parts of niobium powder, tantalum powder
3 parts, 3 parts of vanadium powder, 1 part of 1 part of zirconium powder, 1 part of rhenium powder and hafnium powder.
3. a kind of high-melting-point titanium alloy according to claim 1, it is characterised in that:By following mass fraction formula components group
Into:
45 parts of titanium sponge particles, 15 parts of copper powders, 15 parts of iron powder, 8 parts of tungsten powder, 8 parts of molybdenum powder, 6 parts of niobium powder, tantalum powder
5 parts, 4 parts of vanadium powder, 2 parts of 2 parts of zirconium powder, 2 parts of rhenium powder and hafnium powder.
4. a kind of high-melting-point titanium alloy according to claim 1, it is characterised in that:By following mass fraction formula components group
Into:
40 parts of titanium sponge particles, 12 parts of copper powders, 12 parts of iron powder, 7 parts of tungsten powder, 6 parts of molybdenum powder, 5 parts of niobium powder, tantalum powder
4 parts, 3 parts of vanadium powder, 2 parts of 2 parts of zirconium powder, 1 part of rhenium powder and hafnium powder.
5. a kind of a kind of preparation method of high-melting-point titanium alloy according to claim 1, it is characterised in that:Including following step
Suddenly:
Step one, using the screen filtration titanium sponge particles of 5 mesh, obtains the qualified titanium sponge particles of diameter;
Step 2, using screen filtration copper powders, iron powder, tungsten powder, molybdenum powder, niobium powder, tantalum powder, the vanadium powder of 200 mesh
End, zirconium powder, rhenium powder and hafnium powder, obtain the qualified metal dust of diameter;
Step 3, titanium sponge particles and metal dust is carried out dry-mixed, 5~6 hours dry-mixed time, obtains mixture 1;
Step 4, by mixture alloy body 1 is pressed into, and outer including one layer of titanium shell in alloy body 1, and the thickness of the titanium shell is
0.5~1mm, obtains alloy body 2;
Step 5, by self-consumption electrode arc melting furnace alloy body 2 melting is carried out, and melting voltage is 26~40v, obtains alloy body 2.
Step 6, alloy body 2 is sintered under tube furnace hydrogen shield atmosphere, sintering Hydrogen Vapor Pressure be 0.7~0.8MPa, with 3 DEG C/
The programming rate of min is incubated 1h after being heated to 600 DEG C, being then heated to 940 DEG C with the programming rate of 3 DEG C/min carries out insulation burning
Knot 4h, then power-off, under conditions of continuous protective atmosphere, sample goes out after being less than 200 DEG C with stove water cooling to sample area temperature
Stove, obtains alloy body 3;
Step 7, alloy body 3 is poured into a mould, and pouring temperature is 1250 DEG C, makes finished product.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101886191A (en) * | 2010-07-14 | 2010-11-17 | 南京信息工程大学 | A kind of corrosion-resistant and wear-resistant titanium alloy and preparation method thereof |
CN101921930A (en) * | 2010-09-16 | 2010-12-22 | 上海交通大学 | Multi-component microalloyed titanium alloy and preparation method thereof |
CN105925845A (en) * | 2016-07-11 | 2016-09-07 | 东北大学 | High-strength, high-plasticity and corrosion-resistant titanium alloy, preparation method thereof and application thereof |
-
2016
- 2016-12-15 CN CN201611157710.0A patent/CN106636745A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101886191A (en) * | 2010-07-14 | 2010-11-17 | 南京信息工程大学 | A kind of corrosion-resistant and wear-resistant titanium alloy and preparation method thereof |
CN101921930A (en) * | 2010-09-16 | 2010-12-22 | 上海交通大学 | Multi-component microalloyed titanium alloy and preparation method thereof |
CN105925845A (en) * | 2016-07-11 | 2016-09-07 | 东北大学 | High-strength, high-plasticity and corrosion-resistant titanium alloy, preparation method thereof and application thereof |
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