CN103589903B - A kind of high-strength wear-resistant copper alloy and manufacture method thereof - Google Patents
A kind of high-strength wear-resistant copper alloy and manufacture method thereof Download PDFInfo
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- CN103589903B CN103589903B CN201310357207.XA CN201310357207A CN103589903B CN 103589903 B CN103589903 B CN 103589903B CN 201310357207 A CN201310357207 A CN 201310357207A CN 103589903 B CN103589903 B CN 103589903B
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000000956 alloy Substances 0.000 claims abstract description 35
- 239000010949 copper Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 28
- 229910045601 alloy Inorganic materials 0.000 claims description 22
- 229910001369 Brass Inorganic materials 0.000 claims description 16
- 239000010951 brass Substances 0.000 claims description 16
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 5
- 238000009749 continuous casting Methods 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- -1 sodium aluminum fluoride Chemical compound 0.000 claims description 5
- 229910017566 Cu-Mn Inorganic materials 0.000 claims description 4
- 229910017871 Cu—Mn Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910018084 Al-Fe Inorganic materials 0.000 claims description 3
- 229910018192 Al—Fe Inorganic materials 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000714 At alloy Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical class [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
The present invention relates to a kind of high-strength wear-resistant copper alloy material.It is characterized in that the chemical composition comprising following percent mass: Cu? 63.0 ~ 66.0%; Al? 0.6 ~ 1.2%; Ni < 0.7%; Mn? 1.6 ~ 2.4%; Fe < 0.5%; Si? 0.8 ~ 1.3%; The Pb of content below 0.1%; All the other are Zn.High-strength wear-resistant copper alloy of the present invention has good comprehensive mechanical performance.
Description
Technical field
The present invention relates to a kind of alloy and preparing technical field thereof, specifically a kind of high-strength wear-resistant copper alloy and manufacture method thereof.
Background technology
Polynary Complicated Copper alloy material has excellent over-all properties, is widely used in machinery, automobile and other industries.Along with these industries improving constantly material performance requirement, develop and have good comprehensive mechanical performance, as higher tensile strength, yield strength, good plasticity, reliable hardness, the material especially at high temperature possessing better performance becomes the task of top priority.Be widely used in machinery at present, the Cu alloy material comprehensive mechanical performance of automobile and other industries needs raising further.
Summary of the invention
The object of the present invention is to provide a kind of brass material of good combination property.In copper zinc alloy, add appropriate aluminium, nickel, iron, manganese and silicon specifically, and carry out optimum combination, propose rational content and manufacturing process.
A kind of high-strength wear-resistant copper alloy material of the present invention, comprises the chemical composition of following percent mass: Cu63.0 ~ 66.0%; Al0.7 ~ 1.2%; Ni < 0.7%; Mn1.6 ~ 2.4%; Fe < 0.5%; Si0.7 ~ 1.2%; Pb < 0.1%; Surplus is Zn; Other < 0.3%.
The active chemical design considerations of high-strength wear-resistant copper alloy of the present invention and to limit the reason of content range as follows:
Al: can form firm oxide film at alloy surface, improves alloy to the erosion resistance of gas, liquid, and improves intensity, the hardness of brass;
Mn: erosion resistance, thermostability and intensity can be improved after adding manganese;
Si: heavy alloyed intensity, hardness, casting fluidity can be carried;
Ni: the obdurability improving material.
A kind of high-strength wear-resistant copper alloy material of the present invention does manufacture method, and use the manufacture of 1.5T middle frequency furnace, processing step is:
1. first about 200kg FM6804 brass borings material is added at furnace bottom, add electrolytic copper copper coin 100 ~ 110kg, aluminium ingot 34 ~ 40kg, Cu-Mn master alloy (manganese content 35% again, remaining as copper content), Al-Fe master alloy (iron-holder 35%, remaining as aluminum content), Ni2.2 ~ 2.4kg, Si3.4 ~ 3.6kg, heat up fusing, add the P-Cu master alloy (phosphorus content 10 ~ 12% of 0.7 ~ 0.8kg simultaneously, remaining as copper content) carry out deoxidation, add charcoal to cover, temperature of fusion rises to more than 1100 DEG C, shorten smelting time as far as possible, reduce alloy air-breathing;
2., after electrolytic copper copper coin melts completely in stove, add remaining about 700kg FM6804 brass borings material in batches, after guaranteeing to melt completely, insulation 5-10 minute; After insulation terminates, add remaining electrolytic copper copper coin 130 ~ 140kg and lower the temperature, then the boiling 2-3 minute that heats up after adding remaining 0.7 ~ 0.8kgP-Cu master alloy and the fusing of 83 ~ 88kg zinc ingot metal, add sodium aluminum fluoride, slagging-off;
3., after temperature is adjusted to 1090 DEG C ~ 1130 DEG C, vertical semi-continuous casting is carried out;
4. 1650T or 2500T extrusion machine is used to be expressed to required size of pipe and tubing after ingot casting being cut to certain length.
5. again according to product size design cold-rolling process, and carry out stress relief annealing, meet material performance requirement.
The advantage of a kind of high-strength wear-resistant copper alloy of the present invention and manufacture method thereof is:
1. by ensureing that to the chemical Composition Control of FM6804 brass material as-cast structure is alpha+beta+strengthening phase, possesses good intensity and hardness, possesses good hot plastic deformation ability simultaneously, reducing being mingled with of ingot casting by controlling melting technology, after adding manganese, erosion resistance, thermostability and intensity can be improved; Add silicon and can carry heavy alloyed intensity, hardness, casting fluidity, manganese and silicon form material appears improve in manganese silicon series intermetallic compound wear resisting property as the strengthening phase in Copper substrate in Copper substrate simultaneously; Add the obdurability that nickel improves material;
2. the as-cast structure by using extrusion process to change FM6804 brass material, grade (coarse grain) can be become 4 ~ 5 grades (comparatively small grains) of As-extruded from 0 ~ 2 of as cast condition, fragmentation be carried out to its as-cast grain and obtains small grains thus improve its tensile strength, hardness and unit elongation;
3. by using cold-rolling process to make the viscous deformation of FM6804 brass material tubing generation cold conditions, make the intensity of this material, hardness is further enhanced, and size of pipe and tubing is more accurate, reduces follow-up precision work process redundancy;
4. make the unrelieved stress after FM6804 brass material pipe plastic deformation by annealing process, avoid tubing to ftracture and produce stress corrosion.
Embodiment
Embodiment one
A kind of high-strength wear-resistant copper alloy material of the present invention does manufacture method, and use the manufacture of 1.5T middle frequency furnace, processing step is:
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
1. first 200kgFM6804 brass borings material is added at furnace bottom, add electrolytic copper copper coin 110kg, aluminium ingot 0.7kg, Cu-Mn master alloy 21.6kg(manganese content 35% again, remaining as copper content), Al-Fe master alloy 4kg(iron-holder 35%, remaining as aluminum content), Ni1.8kg, Si4.5kg, heat up fusing, add the P-Cu master alloy (phosphorus content 10 ~ 12% of 0.7 ~ 0.8kg simultaneously, remaining as copper content) carry out deoxidation, add charcoal to cover, temperature of fusion rises to more than 1100 DEG C, shorten smelting time as far as possible, reduce alloy air-breathing;
2. check in stove and expect to melt rear slagging-off completely, add 0.4 ~ 0.5kgP-Cu alloy (phosphor copper) and carry out deoxidation, the FM6804 brass borings material of 200 ~ 250kg is added every 20 ~ 30 minutes, after guaranteeing to melt completely, insulation 5-10 minute, after insulation terminates, add remaining electrolytic copper copper coin 105kg to lower the temperature, heat up after adding remaining 0.7 ~ 0.8kgP-Cu master alloy and the fusing of 80kg zinc ingot metal again boiling 2-3 minute, adds sodium aluminum fluoride, slagging-off;
3., after temperature is adjusted to 1090 DEG C ~ 1130 DEG C, vertical semi-continuous casting is carried out;
4. 1650T or 2500T extrusion machine is used to be expressed to required size of pipe and tubing after ingot casting being cut to certain length.
5. again according to product size design cold-rolling process, and carry out stress relief annealing, meet material performance requirement.
Embodiment two
A kind of high-strength wear-resistant copper alloy material of the present invention does manufacture method, and use the manufacture of 1.5T middle frequency furnace, processing step is:
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
1. first 200kgFM6804 brass borings material is added at furnace bottom, add electrolytic copper copper coin 122kg, Cu-Mn master alloy 8kg(manganese content 35% again, remaining as copper content), Ni0.6kg, Si7kg, heat up fusing, and the P-Cu master alloy (phosphorus content 10 ~ 12%, remaining as copper content) simultaneously adding 0.7 ~ 0.8kg carries out deoxidation, add charcoal to cover, temperature of fusion rises to more than 1100 DEG C, shortens smelting time as far as possible, reduces alloy air-breathing;
2. check in stove and expect to melt rear slagging-off completely, add 0.4 ~ 0.5kgP-Cu alloy (phosphor copper) and carry out deoxidation, the FM6804 brass borings material of 200 ~ 250kg is added every 20 ~ 30 minutes, after guaranteeing to melt completely, insulation 5-10 minute, after insulation terminates, add remaining electrolytic copper copper coin 115kg to lower the temperature, heat up after adding remaining 0.7 ~ 0.8kgP-Cu master alloy and the fusing of 80kg zinc ingot metal again boiling 2-3 minute, adds sodium aluminum fluoride, slagging-off;
3., after temperature is adjusted to 1090 DEG C ~ 1130 DEG C, vertical semi-continuous casting is carried out;
4. 1650T or 2500T extrusion machine is used to be expressed to required size of pipe and tubing after ingot casting being cut to certain length.
5. again according to product size design cold-rolling process, and carry out stress relief annealing, meet material performance requirement.
Embodiment three
A kind of high-strength wear-resistant copper alloy material of the present invention does manufacture method, and use the manufacture of 1.5T middle frequency furnace, processing step is:
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
1. first 200kgFM6804 brass borings material is added at furnace bottom, add electrolytic copper copper coin 122kg, Ni1.8kg, Si3.4kg again, heat up fusing, add the P-Cu master alloy (phosphorus content 10 ~ 12% of 0.7 ~ 0.8kg simultaneously, remaining as copper content) carry out deoxidation, add charcoal and cover, temperature of fusion rises to more than 1100 DEG C, shorten smelting time as far as possible, reduce alloy air-breathing;
2. check in stove and expect to melt rear slagging-off completely, add 0.4 ~ 0.5kgP-Cu alloy (phosphor copper) and carry out deoxidation, the FM6804 brass borings material of 200 ~ 250kg is added every 20 ~ 30 minutes, after guaranteeing to melt completely, insulation 5-10 minute, after insulation terminates, add remaining electrolytic copper copper coin 127kg to lower the temperature, heat up after adding remaining 0.7 ~ 0.8kgP-Cu master alloy and the fusing of 80kg zinc ingot metal again boiling 2-3 minute, adds sodium aluminum fluoride, slagging-off;
3., after temperature is adjusted to 1090 DEG C ~ 1130 DEG C, vertical semi-continuous casting is carried out;
4. 1650T or 2500T extrusion machine is used to be expressed to required size of pipe and tubing after ingot casting being cut to certain length.
5. again according to product size design cold-rolling process, and carry out stress relief annealing, meet material performance requirement.
Chemical composition analysis is carried out in sampling, and chemical composition and hardness result are in table 1.
Table 1
Material of the present invention carries out mechanical property test, and test-results is in table 2.
Table 2
Material of the present invention has good mechanical property, can be widely used on the high-end product of automobile industry.
Claims (1)
1. a production method for high-strength wear-resistant copper alloy material, is characterized in that:
The weight percentages of components of described high-strength wear-resistant copper alloy material is as follows:
Its technological process of production is:
1. 200kgFM6804 brass borings material is added at furnace bottom, add electrolytic copper copper coin 100-110kg, aluminium ingot 34-40kg, manganese content 35% again remaining as the Cu-Mn master alloy of copper content, iron-holder 35% remaining as the Al-Fe master alloy of aluminum content, Ni2.2-2.4kg, Si3.4-3.6kg, heat up fusing, the phosphorus content 10 ~ 12% simultaneously adding 0.7 ~ 0.8kg carries out deoxidation remaining as the P-Cu master alloy of copper content, add charcoal to cover, temperature of fusion rises to more than 1100 DEG C, shorten smelting time as far as possible, reduce alloy air-breathing;
2., after electrolytic copper copper coin melts completely in stove, add remaining 700kgFM6804 brass borings material in batches, after guaranteeing to melt completely, insulation 5-10 minute; After insulation terminates, add remaining electrolytic copper copper coin 130 ~ 140kg and lower the temperature, then the boiling 2-3 minute that heats up after adding remaining 0.7 ~ 0.8kgP-Cu master alloy and the fusing of 83 ~ 88kg zinc ingot metal, add sodium aluminum fluoride, slagging-off;
3., after temperature is adjusted to 1090 DEG C ~ 1130 DEG C, vertical semi-continuous casting is carried out;
4. 1650T or 2500T extrusion machine is used to be expressed to required size of pipe and tubing after ingot casting being cut to certain length;
5. again according to product size design cold-rolling process, and carry out stress relief annealing, meet material performance requirement.
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BR112016014727B1 (en) | 2014-02-04 | 2021-06-29 | Otto Fuchs - Kommanditgesellschaft | COPPER ALLOY COMPONENT LUBRICANT COMPATIBLE METHOD FOR PRODUCING A COPPER ALLOY PIECE AND GEAR |
DE102014106933A1 (en) * | 2014-05-16 | 2015-11-19 | Otto Fuchs Kg | Special brass alloy and alloy product |
DE102014014239B4 (en) * | 2014-09-25 | 2024-04-11 | Wieland-Werke Ag | Electrical connecting element |
CN104894430B (en) * | 2015-06-29 | 2017-05-10 | 宁波金田铜业(集团)股份有限公司 | Wear-resistant and easy-cutting brass pipe material and method for manufacturing brass pipe |
CN105349828B (en) * | 2015-11-10 | 2018-02-16 | 武汉泛洲中越合金有限公司 | Cu alloy material and preparation method thereof |
DE202016102693U1 (en) | 2016-05-20 | 2017-08-29 | Otto Fuchs - Kommanditgesellschaft - | Special brass alloy as well as special brass alloy product |
DE202016102696U1 (en) | 2016-05-20 | 2017-08-29 | Otto Fuchs - Kommanditgesellschaft - | Special brass alloy as well as special brass alloy product |
DE202020101700U1 (en) * | 2020-03-30 | 2021-07-01 | Otto Fuchs - Kommanditgesellschaft - | Pb-free Cu-Zn alloy |
CN115533110B (en) * | 2022-12-05 | 2023-03-10 | 福州市富恒新材料有限公司 | Preparation method of copper-zinc alloy powder |
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CN101705388A (en) * | 2009-11-03 | 2010-05-12 | 苏州撼力铜合金材料有限公司 | High-strength wear-resistant complex brass for automotive synchronizing ring |
CN102766777B (en) * | 2012-07-12 | 2014-10-01 | 武汉泛洲中越合金有限公司 | High-strength aluminum-brass-copper alloy and preparation method thereof |
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