CN1394976A - Copper base high tin boron alloy - Google Patents
Copper base high tin boron alloy Download PDFInfo
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- CN1394976A CN1394976A CN 02112102 CN02112102A CN1394976A CN 1394976 A CN1394976 A CN 1394976A CN 02112102 CN02112102 CN 02112102 CN 02112102 A CN02112102 A CN 02112102A CN 1394976 A CN1394976 A CN 1394976A
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- boron
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- 239000010949 copper Substances 0.000 title claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 17
- 229910000521 B alloy Inorganic materials 0.000 title claims abstract description 11
- GSPPDMIMNFYKRI-UHFFFAOYSA-N boron tin Chemical compound [B].[Sn] GSPPDMIMNFYKRI-UHFFFAOYSA-N 0.000 title claims description 10
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 17
- 238000000137 annealing Methods 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 239000011701 zinc Substances 0.000 claims abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 238000003723 Smelting Methods 0.000 claims abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- 239000003610 charcoal Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- -1 sodium aluminum fluoride Chemical compound 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910001096 P alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims description 3
- FZQBLSFKFKIKJI-UHFFFAOYSA-N boron copper Chemical compound [B].[Cu] FZQBLSFKFKIKJI-UHFFFAOYSA-N 0.000 claims description 3
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims description 3
- IUYOGGFTLHZHEG-UHFFFAOYSA-N copper titanium Chemical compound [Ti].[Cu] IUYOGGFTLHZHEG-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000005482 strain hardening Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 238000010622 cold drawing Methods 0.000 abstract 2
- 238000005554 pickling Methods 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000010956 nickel silver Substances 0.000 description 11
- 229910000881 Cu alloy Inorganic materials 0.000 description 10
- XKDUTSZAHNGERE-UHFFFAOYSA-N [B].[Cu].[Sn] Chemical compound [B].[Cu].[Sn] XKDUTSZAHNGERE-UHFFFAOYSA-N 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000005275 alloying Methods 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000009749 continuous casting Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- BQCFCWXSRCETDO-UHFFFAOYSA-N [Fe].[Mn].[Cu] Chemical class [Fe].[Mn].[Cu] BQCFCWXSRCETDO-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical group 0.000 description 2
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Metal Extraction Processes (AREA)
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Abstract
The present invention relates to a copper base high-tin boron alloy (Cu-Sn-B) and its wire material preparation. Said alloy includes 12-18 wt% of Sn, 0.01-2 wt% of at least one of five elements of B, Fe, Al, T, P and Zn and the rest is copper (Cu) and impurity. Its production process includes the following steps: (a). mixing raw materials and smelting; (b). heat-insulating and horizontal continuously-casting; (c) uniformly gradient annealing; (d). pickling; (e) cold-drawing and scaling; (f). intermediate annealing; (g). pickling; (h). cold-drawing and scaling; (i). stretching; and (j). eliminating internal stress and bright annealing. As compared with existent technology it is superior to zinc and Alpaka in strength, elasticity, corrosion resistance, welding property and decorative property.
Description
Technical field
The present invention relates to the manufacturing process of a kind of copper base high tin boron alloy (Cu-Sn-B) and wire rod thereof.
Background technology
The making widespread use Alpaka and the German silver of existing spectacle frame and other many ornaments, especially German silver is because it has silvery white beautiful appearance, and high temperature resistant, snappiness, good physical and chemical performance such as corrosion-resistant, and be widely used in making medicine equipment, ornament and spectacle frame.Yet, contain nickel element in the above-mentioned alloy, and nickel element has sensitivity response and carcinogenic tendency to human body, thereby the content of nickel in the alloy material that developed countries has limited with human body contacts, so an urgent demand development and development of new material substitution contain Alpaka.Germany WIELAND company has developed the manganese-copper of a kind of copper-manganese-iron series for this reason, but it produces difficulty in batches, at first be manganese content height in the alloy, and manganese element very easily oxidation, slag making in melting, need (rare gas element that be used for anti-oxidation) melting under protective atmosphere; Next is this alloy plasticity extreme difference, can't produce qualified wire rod, generally can only produce bar, so the manganese-copper of copper-manganese-iron series is not widely used.Therefore, develop a kind of good physical and chemical performance that had both had Alpaka and German silver and had, the equivalent material that meets environment protection and protecting human body requirement again has obvious practical significance.
Summary of the invention
The objective of the invention is requirement for conform protection and HUMAN HEALTH; a kind of high tin boron copper alloy (Cu-Sn-B) that does not contain nickel element is provided; the mechanical property of this alloy, process for processing performance can substitute fully and surpass Alpaka and German silver, are a kind of environment-friendly type quality matetrials with high strength, snappiness, corrosion-resistant, good welding performance, tool simulating golden colour outward appearance.
Another object of the present invention provides a kind of production technique of described high tin boron copper alloy wire.
The novel alloy that the present invention provides for achieving the above object is:
This kind copper base high tin boron alloy, it includes the tin (Sn) of 12～18% (wt), the boron of～2% 0.002 (wt) (B), reach in iron (Fe), aluminium (Al), titanium (Ti), phosphorus (P), five kinds of elements of zinc (Zn) at least a, the content of described five kinds of elements is respectively: iron (Fe) is that 0～1.0% (wt), aluminium (Al) are that 0～2.0% (wt), titanium (Ti) are that 0～0.002% (wt), phosphorus (P) are that 0～0.5% (wt), zinc (Zn) are 0～2.0% (wt), and the surplus composition in the alloy is copper (Cu) and small amount of impurities; Wherein, the optimum content of element tin in the described alloy (Sn) is 13～15% (wt), and the optimum content of element boron in the described alloy (B) is 0.1～1% (wt); In addition, the metallographic structure of described alloy is the α phase, perhaps for serving as that main a small amount of δ phase (δ phase content＜6%), grain fineness number are arranged in addition is 0.025～0.04mm mutually with α.
The selection principle and the requirement of described alloying constituent are: the composition range of tin had both required to guarantee that material had high strength and guarantees that again it has workability, and made alloy have beautiful color.The composition of boron is used for crystal grain thinning, can reduce the dendritic segregation and the negative segregation of tin, reduces the δ phase.Add boron and can form the metal-imitative golden protective film of exclusive anti-erosion, anti-oxidant, even compact, can improve the solidity to corrosion and the intensity of alloy, and make the alloy material surface form the imitative golden protective film of strengthening at product surface.
The process for making of the described copper base high tin boron alloy wire rod of the production that the present invention takes is, and: a. joins and feeds intake and melting---b. insulation and horizontal casting---c. homogenizing gradient annealing---d. pickling---e. is cold drawn to strip off the skin---f. process annealing---g. pickling---h. is cold drawn to strip off the skin---i. stretchings---j. elimination internal stress clean annealing;
Wherein, the melting that feeds intake is in proper order: copper+tin+(copper-iron), after the heat fused, add (copper-boron)+aluminium+zinc again, and add copper-phosphorus alloy and copper-titanium alloy crystal grain thinning before coming out of the stove, smelting temperature is 1050～1300 ℃; Its insulation and horizontal casting temperature are 950～1200 ℃; Adopted the anti-technology that pushes away in the horizontal casting, casting speed is 0.5～2.0m/min, and elongating (pitch) is 10～30mm, stops the counter 1～2mm that pushes away after 1～2 second; Adopt the anti-technology that pushes away in the castingprocesses, purpose is to eliminate the casting billet surface transverse crack, and best horizontal continuous casting process can make the negative segregation layer be controlled to be 0.2～0.5mm; Homogenizing gradient annealing temperature is 550～850 ℃, and the time is 3～10 hours, at protective atmosphere N
2+ (3～25%) H
2In carry out, in protective gas, add 3～25%H
2, can make product surface bright and clean; The process annealing temperature is 400～700 ℃, and the time is 1～5 hour; Eliminating internal stress clean annealing (finished products) temperature is 50～450 ℃, and the time is 40～120min.
Cold working rate in the described drawing process is 10～70%.
Adopt charcoal to cover in described melting technology, charcoal layer thickness is 150～220mm, and adding has sodium aluminum fluoride (Na in stove
3AlF
6), the effect of charcoal is to absorb the H in the melt
2, O
2Gas, and the adding of sodium aluminum fluoride can make various oxide compounds form double salt, are easy to remove behind continuous casting.
Adopt graphite crystallizer during horizontal casting, the enhanced stretch resistance in the time of can reducing the cast of high tin boron copper alloy adds the anti-application that pushes away technology, can guarantee that strand has brighter and cleaner surface.
Compared with prior art, the invention has the advantages that the high tin boron copper alloy is a kind of " no Alpaka " class alloy material, its intensity, elasticity, corrosion-resistant, welding property and decorate properties obviously will be got well than German silver, and its production method has technical process weak point, constant product quality, yield rate can be up to 70～80%.Be applicable to and make spectacle frame and other various ornaments that contact with human body, also can be used for making various high-strength, easy welding fabrications of snappiness, anti-corrosion, have the not treated simulating golden colour outward appearance in surface and human body do not had the various ornaments of infringement, be the good substitute of Alpaka, German silver.
Description of drawings
Fig. 1 process flow sheet of the present invention.
Specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment
Table 1 (seeing page 5) has been listed 7 alloying constituent prescriptions of the present invention and performance perameter thereof, therefrom can find the wherein alloying constituent prescription following (seeing Table 2) of most preferred embodiment:
The alloying constituent prescription of table 2. most preferred embodiment:
| Element | ????Sn | ????B | ????Fe | ???Ti | ????P | ??Zn | ??Cu |
| Content | ????14.04 | ????0.30 | ????0.55 | ???0.0007 | ????0.23 | ??0.23 | Surplus |
The production process of high tin boron copper alloy Cu-Sn-B (referring to accompanying drawing 1) is, and: a. joins and feeds intake and melting---b. insulation and horizontal casting---c. homogenizing gradient annealing---d. pickling---e. is cold drawn to strip off the skin---f. process annealing---g. pickling---h. is cold drawn to strip off the skin---i. stretchings---j. elimination internal stress clean annealing.
Wherein, the melting that feeds intake is in proper order: copper+tin+(copper-iron), after the heat fused, add (copper-boron)+aluminium+zinc again, and add copper-phosphorus alloy and copper-titanium alloy crystal grain thinning before coming out of the stove, smelting temperature is 1050～1300 ℃; Insulation and horizontal casting temperature are 950～1200 ℃; Adopted the anti-technology that pushes away in the horizontal casting, casting speed is 0.5～2.0m/min, and elongating (pitch) is 10～30mm, stops the counter 1～2mm that pushes away after 1～2 second; Adopt the anti-technology that pushes away in the castingprocesses, purpose is to eliminate the casting billet surface transverse crack, and best horizontal continuous casting process can make the negative segregation layer be controlled to be 0.2～0.5mm; Homogenizing gradient annealing temperature is 550～850 ℃, and the time is 3～10 hours, at protective atmosphere N
2+ (3～25%) H
2In carry out, in protective gas, add 3～25%H
2, purpose is to make product surface bright and clean; The process annealing temperature is 400～700 ℃, and the time is 1～5 hour; Eliminating internal stress clean annealing (finished products) temperature is 50～450 ℃, and the time is 4～120min.
Cold working rate in the drawing process is 10～70%.
Adopt charcoal to cover in the melting technology, charcoal layer thickness is 150～220mm, and adding has sodium aluminum fluoride (Na in stove
3AlF
6), the effect of charcoal is to absorb the H in the melt
2, O
2Gas, and the adding of sodium aluminum fluoride can make various oxide compounds form double salt, are easy to remove behind continuous casting.
Adopt graphite crystallizer during horizontal casting, the enhanced stretch resistance when having reduced the cast of high tin boron copper alloy adds the anti-application that pushes away technology, can guarantee that strand has brighter and cleaner surface.
Final finished specification Φ 0.1～10mm, metallographic structure is the alloy of α phase or α+δ phase (δ phase content＜6%), and grain fineness number is 0.025～0.04mm, and color is 18～24K gold.
The high tin boron copper alloy of present embodiment and the physicals of wire rod thereof reach:
Electric conductivity (%IACS): 8
Density (g/cm
3): 8.7
Thermal conductivity (W/m.K)＜50 coefficient of elasticity (KN/mm
2): 82 (annotate: German silver is 130) the high tin boron copper alloys of present embodiment and the mechanical property of wire rod thereof (reach with German silver and compare) see Table 3: the mechanical property of table 3. high tin boron copper alloy and wire rod thereof (reach with German silver and compare):
From above data, color is that the elasticity of the golden high tin boron copper alloy of 18～24K is obviously better than light argenteous German silver, and workability and mechanical property also obviously are better than German silver.7 alloying constituent prescriptions of table 1. the present invention and performance perameter thereof (annotate: in the table "---", chemical ingredients refers to not contain, and mechanical property refers to not survey.)
Claims (15)
1, a kind of copper base high tin boron alloy, it includes the tin (Sn) of 12～18% (wt), the boron of～2% 0.002 (wt) (B), reach in iron (Fe), aluminium (Al), titanium (Ti), phosphorus (P), five kinds of elements of zinc (Zn) at least a, the content of described five kinds of elements is respectively: iron (Fe) is that 0～1.0% (wt), aluminium (Al) are that 0～2.0% (wt), titanium (Ti) are that 0～0.002% (wt), phosphorus (P) are that 0～0.5% (wt), zinc (Zn) are 0～2.0% (wt), and the surplus composition in the alloy is copper (Cu) and small amount of impurities;
2, copper base high tin boron alloy according to claim 1, the optimum content that it is characterized in that element tin in the described alloy (Sn) are 13～15% (wt);
3, copper base high tin boron alloy according to claim 1, the optimum content that it is characterized in that element boron in the described alloy (B) are 0.005～1% (wt);
4, copper base high tin boron alloy according to claim 1, the metallographic structure that it is characterized in that described alloy is the α phase, perhaps for serving as that main a small amount of δ phase (δ phase content＜6%), grain fineness number are arranged in addition is 0.025～0.04mm mutually with α;
5, a kind of manufacturing process of producing described copper base high tin boron alloy wire rod is characterized in that its production process is, and: a. joins and feeds intake and melting---b. insulation and horizontal casting---c. homogenizing gradient annealing---d. pickling---e. is cold drawn to strip off the skin---f. process annealing---g. pickling---h. is cold drawn to strip off the skin---i. stretchings---j. elimination internal stress clean annealing;
6, manufacturing process according to claim 5 is characterized in that its melting that feeds intake is in proper order: copper+tin+(copper-iron), after the fusing, add (copper-boron)+aluminium+zinc again, and add copper-phosphorus alloy and copper-titanium alloy crystal grain thinning before coming out of the stove, smelting temperature is 1050～1300 ℃;
7, manufacturing process according to claim 5 is characterized in that its insulation and horizontal casting temperature are 950～1200 ℃;
8, manufacturing process according to claim 5 is characterized in that having adopted in the horizontal casting the anti-technology that pushes away, and casting speed is 0.5～2.0m/min, and elongating (pitch) is 10～30mm, stops the counter 1～2mm that pushes away after 1～2 second;
9, manufacturing process according to claim 5 is characterized in that homogenizing gradient annealing temperature is 550～850 ℃, and the time is 3～10 hours, carries out in protective atmosphere;
10, manufacturing process according to claim 9 is characterized in that described protective atmosphere is N
2+ (3～25%) H
2
11, manufacturing process according to claim 5 is characterized in that described process annealing temperature is 400～700 ℃, and the time is 1～5 hour;
12, manufacturing process according to claim 5 is characterized in that described elimination internal stress clean annealing (finished products) temperature is 50～450 ℃, and the time is 40～120min;
13, manufacturing process according to claim 5 is characterized in that the cold working rate in the described drawing process is 10～70%;
14, manufacturing process according to claim 5 is characterized in that adopting in described melting technology charcoal to cover, and charcoal layer thickness is 150～220mm, and adding has sodium aluminum fluoride (Na3AlF in stove
6);
15, manufacturing process according to claim 5 adopts graphite crystallizer when it is characterized in that horizontal casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021121028A CN1180106C (en) | 2002-06-14 | 2002-06-14 | Copper base high tin boron alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021121028A CN1180106C (en) | 2002-06-14 | 2002-06-14 | Copper base high tin boron alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1394976A true CN1394976A (en) | 2003-02-05 |
| CN1180106C CN1180106C (en) | 2004-12-15 |
Family
ID=4741896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021121028A Expired - Lifetime CN1180106C (en) | 2002-06-14 | 2002-06-14 | Copper base high tin boron alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1180106C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251134A (en) * | 2011-09-16 | 2011-11-23 | 中色奥博特铜铝业有限公司 | Improved degassing method in semi-continuous casting |
| CN103060607A (en) * | 2013-01-16 | 2013-04-24 | 苏州金仓合金新材料有限公司 | Tin-bronze rod with extremely high tin content and preparation method thereof |
| WO2013159265A1 (en) * | 2012-04-25 | 2013-10-31 | 苏州金仓合金新材料有限公司 | Antimony-added high-tin bronze alloy rod for high-speed railway equipment and manufacturing method thereof |
| WO2013159266A1 (en) * | 2012-04-25 | 2013-10-31 | 苏州金仓合金新材料有限公司 | Wear-resisting high-phosphorus copper alloy rod for ships and offshore engineering and production method thereof |
| CN103627925A (en) * | 2013-12-02 | 2014-03-12 | 厦门火炬特种金属材料有限公司 | Nickelic packfong matrix alloy solder wire and preparation method thereof |
| CN104439282A (en) * | 2014-12-15 | 2015-03-25 | 湖南师范大学 | Needle-shaped nanometer Cu-Sn-B alloy and preparation method |
| CN104532024A (en) * | 2014-11-10 | 2015-04-22 | 华玉叶 | Method for manufacturing tin aluminum copper base alloy strip |
| CN104561645A (en) * | 2014-11-10 | 2015-04-29 | 华玉叶 | Preparation method of tin-copper alloy bar |
| CN105600711A (en) * | 2016-01-05 | 2016-05-25 | 高艺松 | Corrosion-resistant lifting climbing vehicle |
| CN106169253A (en) * | 2016-08-25 | 2016-11-30 | 华南师范大学 | Parking lot based on parking difficulty idle condition Forecasting Methodology and system |
| CN107604202A (en) * | 2017-09-18 | 2018-01-19 | 宁波兴业盛泰集团有限公司 | A kind of high-performance phosphorus bronze band and preparation method thereof |
-
2002
- 2002-06-14 CN CNB021121028A patent/CN1180106C/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251134A (en) * | 2011-09-16 | 2011-11-23 | 中色奥博特铜铝业有限公司 | Improved degassing method in semi-continuous casting |
| WO2013159265A1 (en) * | 2012-04-25 | 2013-10-31 | 苏州金仓合金新材料有限公司 | Antimony-added high-tin bronze alloy rod for high-speed railway equipment and manufacturing method thereof |
| WO2013159266A1 (en) * | 2012-04-25 | 2013-10-31 | 苏州金仓合金新材料有限公司 | Wear-resisting high-phosphorus copper alloy rod for ships and offshore engineering and production method thereof |
| CN103060607A (en) * | 2013-01-16 | 2013-04-24 | 苏州金仓合金新材料有限公司 | Tin-bronze rod with extremely high tin content and preparation method thereof |
| CN103627925A (en) * | 2013-12-02 | 2014-03-12 | 厦门火炬特种金属材料有限公司 | Nickelic packfong matrix alloy solder wire and preparation method thereof |
| CN103627925B (en) * | 2013-12-02 | 2016-04-06 | 厦门火炬特种金属材料有限公司 | A kind of Nickelic packfong matrix alloy solder wire and preparation method thereof |
| CN104532024A (en) * | 2014-11-10 | 2015-04-22 | 华玉叶 | Method for manufacturing tin aluminum copper base alloy strip |
| CN104561645A (en) * | 2014-11-10 | 2015-04-29 | 华玉叶 | Preparation method of tin-copper alloy bar |
| CN104532024B (en) * | 2014-11-10 | 2016-09-07 | 华玉叶 | A kind of tin Al-Cu based alloy band preparation method |
| CN104561645B (en) * | 2014-11-10 | 2017-01-18 | 华玉叶 | Preparation method of tin-copper alloy bar |
| CN104439282A (en) * | 2014-12-15 | 2015-03-25 | 湖南师范大学 | Needle-shaped nanometer Cu-Sn-B alloy and preparation method |
| CN105600711A (en) * | 2016-01-05 | 2016-05-25 | 高艺松 | Corrosion-resistant lifting climbing vehicle |
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