CN102776409A - Technology for preparing corrosion-resistant copper alloy - Google Patents
Technology for preparing corrosion-resistant copper alloy Download PDFInfo
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- CN102776409A CN102776409A CN201210305706XA CN201210305706A CN102776409A CN 102776409 A CN102776409 A CN 102776409A CN 201210305706X A CN201210305706X A CN 201210305706XA CN 201210305706 A CN201210305706 A CN 201210305706A CN 102776409 A CN102776409 A CN 102776409A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 12
- 230000007797 corrosion Effects 0.000 title abstract description 10
- 238000005260 corrosion Methods 0.000 title abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 21
- 238000007670 refining Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000001953 recrystallisation Methods 0.000 claims abstract description 7
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 24
- 239000011777 magnesium Substances 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 239000004411 aluminium Substances 0.000 claims description 16
- 229910052749 magnesium Inorganic materials 0.000 claims description 16
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 11
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 239000011701 zinc Substances 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- -1 compound rare-earth Chemical class 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract description 2
- 229910001122 Mischmetal Inorganic materials 0.000 abstract 3
- 238000003723 Smelting Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 8
- 239000011572 manganese Substances 0.000 description 7
- 229910001369 Brass Inorganic materials 0.000 description 6
- 239000010951 brass Substances 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Metal Extraction Processes (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a technology for preparing a corrosion-resistant copper alloy, which comprises the following compositions by weight percent:1.0-1.2% of Mn, 0.5-0.7% of Si, 0.05-0.15% of Fe, 0.8-1.2% of Mg, 2-4% of Zn, 11-13% of Al, 1.2-1.4% of Ti, 0.3-0.5% of Sc, 5.5-6.5% of Ni and 0.2-0.3% of composite mischmetal, wherein the mischmetal contains La and Ce mischmetal elements, the percentage of Ce is 30-50%, and the balance is Cu. The technology comprises the following steps: 1. smelting, refining and casting to form a bar; 2. heating the bar which is obtained in the step 1 to the temperature of 870-920 DEG C; then carrying out hot extruding on the bar to form a pipe billet; 3. heating the pipe billet which is obtained in the step 2 to be 850-900 DEG C, and rolling the pipe billet to form a pipe; 4. carrying out recrystallization annealing, annealing at the temperature of 800-820 DEG C, and thermally insulating for 3-5 hours; 5. drawing until a finished product specification is formed; and 6. finally, carrying out bright annealing, annealing at the temperature of 760-780 DEG C, and thermally insulating for 4-6 hours.
Description
Technical field
The present invention relates to the copper alloy technical field, particularly a kind of preparation technology of Vulcan metal.
Background technology
The tube bank material that in briny environment, uses at present mainly contains aluminum brass (typical case's representative is: C68700, its composition are 76～79wt%Cu, 1.8～2.5wt%Al, surplus is Zn); (typical case's representative is: C44300, its composition are 70～73wt%Cu to one-ton brass, 0.8～1.2wt%Sn, 0.06wt%Fe; 0.02～0.06As, surplus is Zn), (typical case's representative is: C70600, its composition are 9.0～11wt%Ni to Alpaka; 1.0～1.8wt%Fe, 1.0wt%Mn, 1.0wt%Zn, surplus is Cu; C71500, its composition are 29～33wt%Ni, 0.4～0.7wt%Fe; 1.0wt%Mn; 1.0wt%Zn, surplus is Cu), stainless steel (typical case's representative is 1Cr18Ni9Ti, 0Cr18Ni9Ti, 00Cr19Ni10 and 00Cr18Ni12Mo2) and titanium alloy (typical case's representative is TA2) etc.
Limitation and deficiency that the aforementioned tube beam material uses in corrosive environment of sea water are: aluminum brass and one-ton brass exist that intensity is on the low side, dealloying (dezincify, dealuminzation) and erosion corrosion seriously wait not enough; Alpaka exist cost high, process comparatively defective such as difficulty; There are problems such as cost is higher, marine biological polution is serious in titanium alloy and stainless steel.
Application number is CN200610039282.1, name is called in the patent of " seamless copper alloy tube for heat exchanger of fine corrosion resistance and preparation method thereof " provides a kind of seamless copper alloy tube for heat exchanger; On the basis of arsenic one-ton brass; Elements such as boron, nickel, manganese have been added again; Improve the corrosion resistance of tubing; But cupronickel be prone to produce galvanic corrosion, and there is the problem of anti-erosion corrosion ability in one-ton brass always, has limited under can only the flow velocity lower condition of sea water distiling plant and has used.
And for example application number is the production technique that a kind of McGill metals pipe, rod are provided in the patent of CN200710106263.0; Contain the most laggard extrusion molding of alloy cast ingot of copper, aluminium, nickel, iron; This alloy uses corrosion resistance nature also very unexcellent through reality; And this copper alloy can not be drawn into tubing, has limited its application.
Summary of the invention
To the deficiency of prior art, one of the object of the invention is to provide a kind of preparation technology of Vulcan metal, copper alloy seawater corrosion resistance through this prepared and performance of flushing, high-wearing feature, HS, and good processability.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of preparation technology of Vulcan metal, this copper alloy is made up of following component by weight percentage: Mn 1.0-1.2%, Si 0.5-0.7%, Fe 0.05-0.15%; Mg 0.8-1.2%, Zn 2-4%, Al 11-13%, Ti 1.2-1.4%; Sc 0.3-0.5%, Ni 5.5-6.5%, compound rare-earth 0.2-0.3%; Wherein mishmetal is La, Ce mixed rare-earth elements, and the per-cent of Ce is 30-50%, and surplus is Cu.Said preparation technology comprises the steps:
1) master alloy of selection electrolytic copper, fine aluminium ingot, pure magnesium ingot, pure zinc ingot, all the other elements selections and copper; Carry out proportioning according to mentioned component, all the other raw materials carry out melting earlier except that aluminium and magnesium, treat that it all adds fine aluminium ingot, pure magnesium ingot refining in the fusing back; Refining temperature is 1170-1190 ℃, is cast into bar after refining 20-30 minute.
2) bar that step 1) obtained is heated to temperature 870-920 ℃; Be hot extruded into pipe then.
3) with step 2) heating of pipe blank that obtains is to 850-900 ℃, is rolled into pipe.
4) carry out recrystallization annealing, annealing temperature is 800-820 ℃, is incubated 3-5 hour.
5) carry out drawing then, be drawn to the finished product specification.
6) carry out clean annealing at last, annealing temperature is 760-780 ℃, and soaking time is 4-6 hour.
Preparing method of the present invention has following beneficial effect:
1) on the basis of a large amount of orthogonal tests, adopt the multicomponent alloy element, make these elements reach the coordination technique effect, improve corrosion resistance of alloy and mechanical property; Through adding REE, improve the over-all properties of alloy;
2) be directed against the alloying element component that is designed, improve preparation technology, control refining temperature and time, make the content of element keep preset blending ratio, and make liquation pure; The temperature of adjustment extruding, rolling, recrystallization annealing and clean annealing; The above-mentioned actual temperature of using all is on the basis of considering alloying constituent; Through what confirm out after a large amount of experiments; After such successive processing, guaranteed the microtexture of alloy, and then determined it to have suitable performance.
Embodiment
Embodiment one
A kind of preparation technology of Vulcan metal, this copper alloy is made up of following component by weight percentage: Mn 1.0%, and Si 0.7%, and Fe 0.05%; Mg 1.2%, and Zn 2%, and Al 13%, Ti1.2%; Sc 0.5%, and Ni 5.5%, compound rare-earth 0.3%; Wherein mishmetal is La, Ce mixed rare-earth elements, and the per-cent of Ce is 30%, and surplus is Cu.Said preparation technology comprises the steps:
1) master alloy of selection electrolytic copper, fine aluminium ingot, pure magnesium ingot, pure zinc ingot, all the other elements selections and copper; Carry out proportioning according to mentioned component; All the other raw materials carry out melting earlier except that aluminium and magnesium; Treat that it all adds fine aluminium ingot, pure magnesium ingot refining in the fusing back, refining temperature is 1170 ℃, and refining was cast into bar after 30 minutes.
2) bar that step 1) obtained is heated to temperature 870-920 ℃; Be hot extruded into pipe then.
3) with step 2) heating of pipe blank that obtains is to 850-900 ℃, is rolled into pipe.
4) carry out recrystallization annealing, annealing temperature is 800 ℃, is incubated 5 hours.
5) carry out drawing then, be drawn to the finished product specification.
6) carry out clean annealing at last, annealing temperature is 760 ℃, and soaking time is 6 hours.
Embodiment two
A kind of preparation technology of Vulcan metal, this copper alloy is made up of following component by weight percentage: Mn 1.2%, and Si 0.5%, and Fe 0.15%; Mg 0.8%, and Zn 4%, and Al 11%, and Ti 1.4%; Sc 0.3%, and Ni 6.5%, compound rare-earth 0.2%; Wherein mishmetal is La, Ce mixed rare-earth elements, and the per-cent of Ce is 50%, and surplus is Cu.Said preparation technology comprises the steps:
1) master alloy of selection electrolytic copper, fine aluminium ingot, pure magnesium ingot, pure zinc ingot, all the other elements selections and copper; Carry out proportioning according to mentioned component; All the other raw materials carry out melting earlier except that aluminium and magnesium; Treat that it all adds fine aluminium ingot, pure magnesium ingot refining in the fusing back, refining temperature is 1190 ℃, and refining was cast into bar after 20 minutes.
2) bar that step 1) obtained is heated to temperature 870-920 ℃; Be hot extruded into pipe then.
3) with step 2) heating of pipe blank that obtains is to 850-900 ℃, is rolled into pipe.
4) carry out recrystallization annealing, annealing temperature is 820 ℃, is incubated 3 hours.
5) carry out drawing then, be drawn to the finished product specification.
6) carry out clean annealing at last, annealing temperature is 780 ℃, and soaking time is 4 hours.
Embodiment three
A kind of preparation technology of Vulcan metal, this copper alloy is made up of following component by weight percentage: Mn 1.1%, and Si 0.6%, and Fe 0.010%; Mg 1.0%, and Zn 3%, and Al 12%, and Ti 1.3%; Sc 0.4%, and Ni 6.0%, compound rare-earth 0.25%; Wherein mishmetal is La, Ce mixed rare-earth elements, and the per-cent of Ce is 40%, and surplus is Cu.Said preparation technology comprises the steps:
1) master alloy of selection electrolytic copper, fine aluminium ingot, pure magnesium ingot, pure zinc ingot, all the other elements selections and copper; Carry out proportioning according to mentioned component; All the other raw materials carry out melting earlier except that aluminium and magnesium; Treat that it all adds fine aluminium ingot, pure magnesium ingot refining in the fusing back, refining temperature is 1180 ℃, and refining was cast into bar after 25 minutes.
2) bar that step 1) obtained is heated to temperature 870-920 ℃; Be hot extruded into pipe then.
3) with step 2) heating of pipe blank that obtains is to 850-900 ℃, is rolled into pipe.
4) carry out recrystallization annealing, annealing temperature is 810 ℃, is incubated 4 hours.
5) carry out drawing then, be drawn to the finished product specification.
6) carry out clean annealing at last, annealing temperature is 770 ℃, and soaking time is 5 hours.
Applicant's statement; The present invention explains detailed process equipment of the present invention and technical process through the foregoing description; But the present invention is not limited to above-mentioned detailed process equipment and technical process, does not mean that promptly the present invention must rely on above-mentioned detailed process equipment and technical process could be implemented.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (1)
1. the preparation technology of a Vulcan metal is characterized in that, this copper alloy is made up of following component by weight percentage: Mn 1.0-1.2%, Si 0.5-0.7%; Fe 0.05-0.15%, Mg 0.8-1.2%, Zn 2-4%, Al 11-13%; Ti 1.2-1.4%, Sc 0.3-0.5%, Ni 5.5-6.5%, compound rare-earth 0.2-0.3%; Wherein mishmetal is La, Ce mixed rare-earth elements, and the per-cent of Ce is 30-50%, and surplus is Cu.Said preparation technology comprises the steps:
1) master alloy of selection electrolytic copper, fine aluminium ingot, pure magnesium ingot, pure zinc ingot, all the other elements selections and copper; Carry out proportioning according to mentioned component, all the other raw materials carry out melting earlier except that aluminium and magnesium, treat that it all adds fine aluminium ingot, pure magnesium ingot refining in the fusing back; Refining temperature is 1170-1190 ℃, is cast into bar after refining 20-30 minute.
2) bar that step 1) obtained is heated to temperature 870-920 ℃; Be hot extruded into pipe then.
3) with step 2) heating of pipe blank that obtains is to 850-900 ℃, is rolled into pipe.
4) carry out recrystallization annealing, annealing temperature is 800-820 ℃, is incubated 3-5 hour.
5) carry out drawing then, be drawn to the finished product specification.
6) carry out clean annealing at last, annealing temperature is 760-780 ℃, and soaking time is 4-6 hour.
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| CN201210305706.XA CN102776409B (en) | 2012-08-24 | 2012-08-24 | Technology for preparing corrosion-resistant copper alloy |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103589A (en) * | 2013-01-16 | 2013-05-15 | 南京工业大学 | Preparation method of manganese copper alloy material |
| CN103194640A (en) * | 2013-04-07 | 2013-07-10 | 宁波博威合金材料股份有限公司 | Aluminum bronze and preparation method thereof |
| CN103230961A (en) * | 2013-05-03 | 2013-08-07 | 江苏兴荣高新科技股份有限公司 | Copper alloy pipe and manufacturing method thereof |
| CN103421978A (en) * | 2013-08-23 | 2013-12-04 | 苏州长盛机电有限公司 | Copper-magnesium alloy material |
| CN104060121A (en) * | 2014-06-05 | 2014-09-24 | 锐展(铜陵)科技有限公司 | Preparation method of high-wear-resistant copper alloy wire for automobile |
| CN104630555A (en) * | 2015-03-10 | 2015-05-20 | 济南大学 | High-strength corrosion resisting brass material and preparation method thereof |
| CN107794404A (en) * | 2017-07-24 | 2018-03-13 | 湖南大学 | A kind of Cu Al Mg alloys and its strain ageing handling process |
| CN108941241A (en) * | 2018-07-06 | 2018-12-07 | 苏州市金翔钛设备有限公司 | A kind of processing method of copper-titanium alloy tubing |
| CN114015907A (en) * | 2021-11-12 | 2022-02-08 | 江西省科学院应用物理研究所 | Rare earth-containing Cu-Mg-Si alloy and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103589B (en) * | 2013-01-16 | 2015-06-10 | 南京工业大学 | Preparation method of manganese copper alloy material |
| CN103103589A (en) * | 2013-01-16 | 2013-05-15 | 南京工业大学 | Preparation method of manganese copper alloy material |
| CN103194640A (en) * | 2013-04-07 | 2013-07-10 | 宁波博威合金材料股份有限公司 | Aluminum bronze and preparation method thereof |
| CN103194640B (en) * | 2013-04-07 | 2015-08-26 | 宁波博威合金材料股份有限公司 | Xantal and preparation method thereof |
| CN103230961A (en) * | 2013-05-03 | 2013-08-07 | 江苏兴荣高新科技股份有限公司 | Copper alloy pipe and manufacturing method thereof |
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| CN104060121A (en) * | 2014-06-05 | 2014-09-24 | 锐展(铜陵)科技有限公司 | Preparation method of high-wear-resistant copper alloy wire for automobile |
| CN104060121B (en) * | 2014-06-05 | 2016-05-18 | 锐展(铜陵)科技有限公司 | The preparation method of wear-resistant copper alloy wire for a kind of automobile |
| CN104630555A (en) * | 2015-03-10 | 2015-05-20 | 济南大学 | High-strength corrosion resisting brass material and preparation method thereof |
| CN107794404A (en) * | 2017-07-24 | 2018-03-13 | 湖南大学 | A kind of Cu Al Mg alloys and its strain ageing handling process |
| CN108941241A (en) * | 2018-07-06 | 2018-12-07 | 苏州市金翔钛设备有限公司 | A kind of processing method of copper-titanium alloy tubing |
| CN114015907A (en) * | 2021-11-12 | 2022-02-08 | 江西省科学院应用物理研究所 | Rare earth-containing Cu-Mg-Si alloy and preparation method thereof |
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Owner name: NINGBO SUNLIGHT MOTOR PARTS CO., LTD. Free format text: FORMER OWNER: LI WEI Effective date: 20140403 |
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Inventor after: Dai Chufa Inventor before: Li Wei |
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Free format text: CORRECT: INVENTOR; FROM: LI WEI TO: DAI CHUFA Free format text: CORRECT: ADDRESS; FROM: 315181 NINGBO, ZHEJIANG PROVINCE TO: 315175 NINGBO, ZHEJIANG PROVINCE |
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Effective date of registration: 20140403 Address after: Yinzhou District Lianfeng road 315175 Zhejiang city of Ningbo Province, No. 889 Applicant after: Ningbo Sunlight Motor Parts Co., Ltd. Address before: Yinzhou District Heng Jie Heng Jie Zhen Road 315181 No. 50 Zhejiang city of Ningbo Province Applicant before: Li Wei |
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Address after: 889 Lianfeng Middle Road, Gaoqiao Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: NINGBO SUNLIGHT MOTOR PARTS Co.,Ltd. Address before: 315175 889 Luen Fung Road, Yinzhou District, Ningbo, Zhejiang Patentee before: NINGBO SUNLIGHT MOTOR PARTS Co.,Ltd. |
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