CN103436730B - A kind of high-strength abrasion-proof Complicated Copper Alloy And Preparation Method - Google Patents

A kind of high-strength abrasion-proof Complicated Copper Alloy And Preparation Method Download PDF

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CN103436730B
CN103436730B CN201310350363.3A CN201310350363A CN103436730B CN 103436730 B CN103436730 B CN 103436730B CN 201310350363 A CN201310350363 A CN 201310350363A CN 103436730 B CN103436730 B CN 103436730B
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add
fusing
ingot
slagging
alloy
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CN103436730A (en
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叶甲旺
姚联
徐星辉
徐世雄
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Wuhan Fanzhou Chuetsu Metal Co ltd
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Wuhan Fanzhou Chuetsu Metal Co ltd
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Abstract

A kind of high-strength abrasion-proof Complicated Copper alloy material and preparation method thereof, its weight percentages of components is as follows: Cu63 ~ 66; Al4.5 ~ 6.0; Mn7.0 ~ 8.5; Si1.0 ~ 2.0; Fe0.5 ~ 1.5; Pb0.3 ~ 0.8; Ni < 0.5; Sn < 0.5; Zn surplus.Its advantage is: this material has good comprehensive mechanical performance, and the ring gear wear hardness of processing is excellent, and material cost of manufacture is relatively low; The intensity of metal A l strongthener matrix; Metal M n, Si form the Mn of high hardness wear-resisting 5si 3strengthening phase, improves wear resisting property; Metal Pb effectively improves the machinability of cast brass, improves wear resistance; Quaternary master alloy is by alloying, and alloy melting point, lower than wherein high-melting-point element fusing point, improves melting efficiency.

Description

A kind of high-strength abrasion-proof Complicated Copper Alloy And Preparation Method
Technical field
The present invention relates to Metal smelting technical field, specifically a kind of high-strength abrasion-proof Complicated Copper alloy and manufacture method thereof.
Background technology
Synchro converter ring is automobile component of speed change in automobile gearbox, and generally material is copper alloy.But the polynary Complicated Copper alloy material used at present otherwise wear resistance better, or mechanical property is more excellent, or wear resisting property and all more excellent but material of mechanical property and manufacturing cost higher, lack all relatively good and lower material of cost of a kind of over-all properties.
Synchronizer industry is being pursued in the more excellent development of copper alloy ring gear material over-all properties, and the pressure from cost is got over obvious, runs in the opposite direction with the requirement of market to price.In the urgent need to developing a kind of relative inexpensiveness but there is the Cu alloy material of very good mechanical properties and abrasion resistance simultaneously, meet the multiple performance requriements that synchronous ring gears meshing position is shock-resistant, ring gear surface of friction is wear-resisting in speed-change process.
Summary of the invention
The object of the present invention is to provide a kind of mechanical property excellent, wear hardness is also more excellent simultaneously, the complex brass material that material cost is relatively low and manufacture method.
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
Cu 63.0~66.0
Al 4.5~6.0
Mn 7.0~8.5
Si 1.0~2.0
Fe 0.5~1.5
Pb 0.3~0.8
Ni <0.5
Sn <0.5
Zn surplus.
The tensile strength of this high-strength wear-resistant copper alloy mechanical property is 700MPa, and unit elongation is 8%.
The monomer wear hardness of this high-strength wear-resistant copper alloy can control within 0.3mm.
A preparation method for high-strength abrasion-proof Complicated Copper alloy material, its step is as follows:
1. prepare Cu, Zn, Pb respectively and prepare quaternary master alloy for subsequent use;
2. burner hearth is cleaned out, first add about 200kg FM6405 and consider material to be worth doing and sodium aluminum fluoride melts, then add quaternary master alloy 40 ~ 50kg, electrolytic copper copper coin 70 ~ 100kg, intensification melting, continue to add shaping FM6405 foundry returns;
3., after above-mentioned materials fusing, sodium aluminum fluoride slagging-off is added once;
4. within every 20 ~ 30 minutes, add 200 ~ 300kg FM6405 and consider material to be worth doing, add sodium aluminum fluoride and shaping FM6405 foundry returns, intensification melting when adding bits material at every turn, seethe with excitement about 2 minutes;
5. add charcoal after dragging for clean scum silica frost to cover, add electrolytic copper copper coin 70 ~ 100kg, then add Zn30 ~ 60kg, add the few 2.4kg of Pb, continue the fusing that heats up;
6. after material has all melted, intensification boiling 2 ~ 3 minutes, adds sodium aluminum fluoride, leaves standstill 5 ~ 10 minutes, slagging-off, adds charcoal and cover after slagging-off;
7. be warmed up to more than 1130 DEG C, leave standstill 5 ~ 10 minutes, sampling, adjusting component, until each element is within the scope of the management width of materials regulations, composition is qualified;
8. adjust temperature to 1130 ~ 1180 DEG C, carry out semicontinuous casting and produce ingot casting;
9. by step 8. gained ingot casting be cut to certain length extrusion ingot, hot extrude is pressed onto required size pipe.
Described quaternary master alloy, its weight percentages is as follows:
Al 32.0%~36.0%
Mn 48.0%~53.0%
Si 8.0%~11.0%
Fe 5.0%~7.0%
The preparation method of described quaternary master alloy, its step is as follows:
1) first put the aluminium (Al) of 1/4 ~ 1/3 in stove, put iron (Fe) block or tailing around.
2) heat up fusing, and after aluminium (Al), iron (Fe) all fusing, put into aluminium (Al) ingot of residue 1/2, put silicon (Si) around, heat up fusing;
3), after silicon (Si) fusing, heat up, after solution colour shoals, add manganese metal (Mn), while add Mn limit to add fusing assistant;
4) melt when adding residual Al (Al) ingot after manganese (Mn) fusing;
5) after all melting, insulation 15 ~ 25min, holding temperature remains between 1200 ~ 1350 DEG C, ensures that refractory metal can all melt; Then leave standstill, stir slagging-off;
6) cast and cast intermediate alloy ingot is prepared.
Described step (3) in fusing assistant additional proportion be 1% of each manganese addition (Mn).
The advantage of a kind of high-strength abrasion-proof of the present invention Complicated Copper alloy material and preparation method thereof is: this material has good comprehensive mechanical performance, and the ring gear wear hardness of processing is excellent, and material cost of manufacture is relatively low; The intensity of metal A l strongthener matrix; Metal M n, Si form the Mn of high hardness wear-resisting 5si 3strengthening phase, improves wear resisting property; Metal Pb effectively improves the machinability of cast brass, improves wear resistance; Quaternary master alloy reduces wherein high-melting-point element fusing point by alloying and improves melting efficiency.
Embodiment
Embodiment one
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
Cu 63%
Pb 0.3%
Quaternary master alloy 15.5%
Zn 21.2%。
Described quaternary master alloy, its weight percentages is as follows:
Al 32.0%
Mn 53.0%
Si 8.0%
Fe 7.0%
The preparation method of described quaternary master alloy, its step is as follows:
1) first amplify the aluminium (Al) of about 35Kg in stove, put iron (Fe) block or tailing 28Kg around.
2) heat up fusing, and after aluminium (Al), iron (Fe) all fusing, put into aluminium (Al) ingot of about 46Kg, put silicon (Si) (32Kg divides 3 times and adds) around, heat up fusing;
3), after silicon (Si) fusing, heat up, after solution colour shoals, add manganese metal (Mn), the large reduction of a fraction of 212Kg manganese adds for 4 times, adds 0.55Kg fusing assistant at every turn simultaneously;
4) melt when adding residue 47Kg aluminium (Al) ingot after manganese (Mn) fusing;
5) after all melting, insulation 15 ~ 25min, holding temperature remains between 1200 ~ 1350 DEG C, ensures that refractory metal can all melt; Then leave standstill, stir slagging-off;
6) cast and cast intermediate alloy ingot is prepared.
A preparation method for high-strength abrasion-proof Complicated Copper alloy material, its step is as follows:
1. prepare Cu, Zn, Pb respectively and prepare quaternary master alloy for subsequent use;
2. cleaned out by burner hearth, first add about 200Kg and consider material and fusing assistant fusing to be worth doing, then add quaternary master alloy, Cu etc., intensification melting, continues to add shaping foundry returns;
3., after above-mentioned materials fusing, refining agent slagging-off is added once;
4. continue to add remaining bits material (often add 100Kg bits material and add 0.5Kg fusing assistant) and shaping foundry returns (reserved about 100Kg lowers the temperature), intensification melting, seethes with excitement about 2 minutes;
5. add charcoal after dragging for clean scum silica frost to cover, add cooling material, then add the materials such as Zn, Pb, continue the fusing that heats up;
6. after material has all melted, intensification boiling 2 ~ 3 minutes, adds refining agent and stirs, and leaves standstill slagging-off afterwards in about 8 minutes, adds charcoal and cover after slagging-off;
7. be warmed up to more than 1130 DEG C, leave standstill about 5 minutes, sampling, adjusting component, until each element is within the scope of the management width of materials regulations, composition is qualified;
8. adjust temperature to 1130 ~ 1180 DEG C, ingot casting is produced in semicontinuous casting;
9. by step 8. gained ingot casting be cut to certain length extrusion ingot, required size pipe is produced in hot extrusion.
Embodiment two
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
Cu 66%
Pb 0.8%
Quaternary master alloy 15.5%
Zn 17.7%。
Described quaternary master alloy, its weight percentages is as follows:
Al 36.0%
Mn 48.0%
Si 11.0%
Fe 5.0%
The preparation method of described quaternary master alloy, its step is as follows:
1) first amplify the aluminium (Al) of about 44Kg in stove, put iron (Fe) block or tailing 20Kg around.
2) heat up fusing, and after aluminium (Al), iron (Fe) all fusing, put into aluminium (Al) ingot of about 50Kg, put silicon (Si) (44Kg divides 4 times and adds) around, heat up fusing;
3), after silicon (Si) fusing, heat up, after solution colour shoals, add manganese metal (Mn), the large reduction of a fraction of 192Kg manganese adds for four times, adds 0.5Kg fusing assistant at every turn simultaneously;
4) melt when adding residue 50Kg aluminium (Al) ingot after manganese (Mn) fusing;
5) after all melting, insulation 15 ~ 25min, holding temperature remains between 1200 ~ 1350 DEG C, ensures that refractory metal can all melt; Then leave standstill, stir slagging-off;
6) cast and cast intermediate alloy ingot is prepared.
A preparation method for high-strength abrasion-proof Complicated Copper alloy material, its step is as follows:
1. prepare Cu, Zn, Pb respectively and prepare quaternary master alloy for subsequent use;
2. cleaned out by burner hearth, first add about 200Kg and consider material and the fusing of 1Kg sodium aluminum fluoride to be worth doing, then add quaternary master alloy, Cu etc., intensification melting, continues to add shaping foundry returns;
3., after above-mentioned materials fusing, refining agent slagging-off is added once;
4. continue to add remaining bits material (often add 100Kg bits material and add 0.5Kg sodium aluminum fluoride) and shaping foundry returns (reserved about 100Kg lowers the temperature), intensification melting, seethes with excitement about 2 minutes;
5. add charcoal after dragging for clean scum silica frost to cover, add cooling material, then add the materials such as Zn, Pb, continue the fusing that heats up;
6., after material has all melted, intensification boiling 2 ~ 3 minutes, adds 2 ~ 3Kg sodium aluminum fluoride and stirs, leave standstill about 8 minutes, slagging-off, adds charcoal and cover after slagging-off;
7. be warmed up to more than 1130 DEG C, leave standstill about 5 minutes, sampling, adjusting component, until each element is within the scope of the management width of materials regulations, composition is qualified;
8. adjust temperature to 1130 ~ 1180 DEG C, ingot casting is produced in semicontinuous casting;
9. by step 8. gained ingot casting be cut to certain length extrusion ingot, required size pipe is produced in hot extrusion.
Embodiment three
A kind of high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
Cu 65%
Pb 0.5%
Quaternary master alloy 15.5%
Zn 19%。
Described quaternary master alloy, its weight percentages is as follows:
Al 34.0%
Mn 51.0%
Si 9%
Fe 6%
The preparation method of described quaternary master alloy, its step is as follows:
1) first amplify the aluminium (Al) of about 40Kg in stove, put iron (Fe) block or tailing 24Kg around.
2) heat up fusing, and after aluminium (Al), iron (Fe) all fusing, put into aluminium (Al) ingot of about 47Kg, put silicon (Si) (36Kg divides 4 times and adds) around, heat up fusing;
3), after silicon (Si) fusing, heat up, after solution colour shoals, add manganese metal (Mn), the large reduction of a fraction of 204Kg manganese adds for 4 times, adds fusing assistant at every turn simultaneously;
4) melt when adding residue 47Kg aluminium (Al) ingot after manganese (Mn) fusing;
5) after all melting, insulation 15 ~ 25min, holding temperature remains between 1200 ~ 1350 DEG C, ensures that refractory metal can all melt; Then leave standstill, stir slagging-off;
6) cast and cast intermediate alloy ingot is prepared.
A preparation method for high-strength abrasion-proof Complicated Copper alloy material, its step is as follows:
1. prepare Cu, Zn, Pb respectively and prepare quaternary master alloy for subsequent use;
2. cleaned out by burner hearth, first add about 200Kg and consider material and the fusing of fusing assistant stone to be worth doing, then add quaternary master alloy, Cu etc., intensification melting, continues to add shaping foundry returns;
3., after above-mentioned materials fusing, sodium aluminum fluoride slagging-off is added once;
4. continue to add remaining bits material (often add 100Kg bits material and add 0.5Kg sodium aluminum fluoride) and shaping foundry returns (reserved about 100Kg lowers the temperature), intensification melting, seethes with excitement about 2 minutes;
5. add charcoal after dragging for clean scum silica frost to cover, add cooling material, then add the materials such as Zn, Pb, continue the fusing that heats up;
6. after material has all melted, intensification boiling 2 ~ 3 minutes, adds sodium aluminum fluoride and stirs, and leaves standstill slagging-off afterwards in about 8 minutes, adds charcoal and cover after slagging-off;
7. be warmed up to more than 1130 DEG C, leave standstill about 5 minutes, sampling, adjusting component, until each element is within the scope of the management width of materials regulations, composition is qualified;
8. adjust temperature to 1130 ~ 1180 DEG C, ingot casting is produced in semicontinuous casting;
9. by step 8. gained ingot casting be cut to certain length extrusion ingot, required size pipe is produced in hot extrusion.
The invention is not restricted to above embodiment, multiple different embodiment can be realized according to the difference of temperature, component.

Claims (2)

1. a high-strength abrasion-proof Complicated Copper alloy material, its weight percentages of components is as follows:
Cu 63 ~ 66; Al 4.5 ~ 6.0; Mn 7.0 ~ 8.5; Si 1.0 ~ 2.0; Fe 0.5 ~ 1.5; Pb 0.3 ~ 0.8; Zn surplus;
The tensile strength of described high-strength wear-resistant copper alloy mechanical property is 700MPa, and unit elongation is 8%, and the control that wear hardness can be stable is within 0.3mm;
The preparation process of described high-strength abrasion-proof Complicated Copper alloy material is as follows:
Prepare Cu, Zn, Pb respectively and prepare quaternary master alloy for subsequent use;
Burner hearth is cleaned out, first adds part bits material and fusing assistant fusing, then add quaternary master alloy, Cu, intensification melting, continue to add shaping foundry returns;
After above-mentioned materials fusing, add sodium aluminum fluoride slagging-off once;
Continue to add remaining bits material, add fusing assistant and shaping foundry returns when adding bits material at every turn, reserved 100kg cooling, intensification melting, seethes with excitement 2 minutes;
Add charcoal after dragging for clean scum silica frost to cover, add cooling material, then add Zn, Pb material, continue the fusing that heats up;
After material has all melted, intensification boiling 2 ~ 3 minutes, adds refining agent and stirs, leave standstill, slagging-off, adds charcoal and cover after slagging-off; Be warmed up to more than 1130 DEG C, leave standstill, sampling, adjusting component, until each element is within the scope of the management width of materials regulations, composition is qualified;
Adjustment temperature to 1130 ~ 1180 DEG C, ingot casting is produced in semicontinuous casting;
Gained ingot casting is cut to certain length extrusion ingot, and required size pipe is produced in hot extrusion;
Described quaternary master alloy, its weight percentages is as follows:
The preparation method of described quaternary master alloy, its step is as follows:
1) first put the aluminium (Al) of 1/4 ~ 1/3 in stove, put iron (Fe) block or tailing around;
2) heat up fusing, and after aluminium (Al), iron (Fe) all fusing, put into aluminium (Al) ingot of residue 1/2, put silicon (Si) around, heat up fusing;
3), after silicon (Si) fusing, heat up, after liquation lighter, add manganese metal (Mn), while add Mn limit to add refining agent;
4) melt when adding residual Al (Al) ingot after manganese (Mn) fusing;
5) after all melting, insulation 15 ~ 25min, holding temperature remains between 1200 ~ 1350 DEG C, ensures that refractory metal can all melt; Then leave standstill, stir slagging-off;
6) cast and cast intermediate alloy ingot is prepared;
Refining agent additional proportion in described step 3) is 1% of each manganese addition (Mn).
2. a manufacture method for high-strength abrasion-proof Complicated Copper alloy material as claimed in claim 1, it is characterized in that, its step is as follows: prepare Cu, Zn, Pb respectively and preparation quaternary master alloy is for subsequent use;
Burner hearth is cleaned out, first adds part bits material and fusing assistant fusing, then add quaternary master alloy, Cu, intensification melting, continue to add shaping foundry returns;
After above-mentioned materials fusing, add sodium aluminum fluoride slagging-off once;
Continue to add remaining bits material, add fusing assistant and shaping foundry returns when adding bits material at every turn, reserved 100kg cooling, intensification melting, seethes with excitement 2 minutes;
Add charcoal after dragging for clean scum silica frost to cover, add cooling material, then add Zn, Pb material, continue the fusing that heats up;
After material has all melted, intensification boiling 2 ~ 3 minutes, adds refining agent and stirs, leave standstill, slagging-off, adds charcoal and cover after slagging-off; Be warmed up to more than 1130 DEG C, leave standstill, sampling, adjusting component, until each element is within the scope of the management width of materials regulations, composition is qualified;
Adjustment temperature to 1130 ~ 1180 DEG C, ingot casting is produced in semicontinuous casting;
Gained ingot casting is cut to certain length extrusion ingot, and required size pipe is produced in hot extrusion;
Described quaternary master alloy, its weight percentages is as follows:
The preparation method of described quaternary master alloy, its step is as follows:
1) first put the aluminium (Al) of 1/4 ~ 1/3 in stove, put iron (Fe) block or tailing around;
2) heat up fusing, and after aluminium (Al), iron (Fe) all fusing, put into aluminium (Al) ingot of residue 1/2, put silicon (Si) around, heat up fusing;
3), after silicon (Si) fusing, heat up, after liquation lighter, add manganese metal (Mn), while add Mn limit to add refining agent;
4) melt when adding residual Al (Al) ingot after manganese (Mn) fusing;
5) after all melting, insulation 15 ~ 25min, holding temperature remains between 1200 ~ 1350 DEG C, ensures that refractory metal can all melt; Then leave standstill, stir slagging-off;
6) cast and cast intermediate alloy ingot is prepared;
Described step (3) in refining agent additional proportion be 1% of each manganese addition (Mn).
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CN104651702A (en) * 2015-02-09 2015-05-27 江苏华企铝业科技有限公司 Low-carbon micro-calcium aluminum-manganese-iron alloy
CN105018783A (en) * 2015-07-24 2015-11-04 武汉泛洲中越合金有限公司 Copper alloy matrix material and preparation method thereof
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
CN108018458A (en) * 2015-12-02 2018-05-11 芜湖楚江合金铜材有限公司 copper alloy wire processing method
CN109536756A (en) * 2018-12-28 2019-03-29 武汉泛洲中越合金有限公司 High-strength abrasion-proof Pb-free copper-alloy material, preparation method and piston shoes

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CN101775523A (en) * 2010-03-19 2010-07-14 武汉泛洲中越合金有限公司 Wear-resistant material on synchronizer ring and preparation method thereof

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CN101775523A (en) * 2010-03-19 2010-07-14 武汉泛洲中越合金有限公司 Wear-resistant material on synchronizer ring and preparation method thereof

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