CN102876911B - Method for manufacturing dispersion-strengthened platinum-rhodium alloy sheet - Google Patents
Method for manufacturing dispersion-strengthened platinum-rhodium alloy sheet Download PDFInfo
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- CN102876911B CN102876911B CN201210385280.3A CN201210385280A CN102876911B CN 102876911 B CN102876911 B CN 102876911B CN 201210385280 A CN201210385280 A CN 201210385280A CN 102876911 B CN102876911 B CN 102876911B
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Abstract
The invention relates to a method for manufacturing a dispersion-strengthened platinum-rhodium alloy sheet. The method comprises the following steps of: (1) mixing materials, namely mixing 9.9 to 10 percent of rhodium powder, 0.2 to 0.6 percent of dispersing medium and the balance of platinum cast ingots; (2) smelting the mixed raw materials to obtain a liquid alloy; (3) casting the liquid alloy into cast ingots, and rolling the cast ingots into alloy sheets; (4) cutting the alloy sheets, and performing oxidation treatment to obtain dispersion-strengthened alloy slices; (5) compounding a plurality of dispersion-strengthened alloy slices on a friction press; (6) annealing a product obtained in step (5), and hammering on an air hammer to obtain a platinum-rhodium ingot; (7) annealing the platinum-rhodium ingot, and cogging; and (8) rolling the platinum-rhodium ingot obtained in step (7) until the thickness is 1.5 to 2 times the required thickness, annealing, and rolling on a rolling mill to obtain a finished product with the required thickness. By the method, the problem that a sheet with the weight of more than 20KG cannot be easily manufactured by using a dispersion-strengthened platinum-rhodium alloy is solved.
Description
Technical field
The present invention relates to a kind of method of making dispersion-strengthened platinum rhodium sheet material, especially a kind of method of processing dispersion intensifying platinum rhodium 10 sheet alloys of 35Kg, belongs to metallic substance technical field.
Background technology
Platinum is widely used in glass industry, and the widespread use of dispersion-strengthened platinum rhodium has benefited from life-span and the intensity of its super common platinum rhodium far away, but its working modulus has declined much relatively.Be limited to this, the multiplex platelet material of the platinum rhodium goods welding assembly that build is large forms, and has affected its work-ing life, has weakened its advantage.The dispersion intensifying platinum rhodium material making method of industrial use generally has three kinds: lamination internal oxidation, powder metallurgic method and liquid phase deposition, most of companies adopt powder metallurgic method.The dispersion intensifying platinum rhodium 10 ingot maximums that world industry is used are at present no more than 25KG.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method of making dispersion-strengthened platinum rhodium sheet material is provided, can obtain the sheet material that weight is 35Kg, the needs in market have been met, expanded the Application Areas of dispersion strengthened material, reduce the usage quantity of precious metal, saved resource, reduced use cost.
According to technical scheme provided by the invention, the method for described making dispersion-strengthened platinum rhodium sheet material, feature is to comprise following processing step:
(1) batching: rhodium powder 9.9 ~ 10%, disperse means 0.2 ~ 0.6%, surplus is platinum ingot casting;
(2) vacuum melting: the raw material that step (1) is prepared carries out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 1 * 10
-5pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid alloy;
(3) sheet is rolled in cast: the liquid alloy that step (2) is obtained pours into ingot casting in mold, and pouring temperature is 1950 ~ 2050 ℃, and ingot casting being rolled on milling train to thickness is the alloy sheet material that 0.1 ~ 0.13mm, width are 20 ~ 150mm;
(4) oxide treatment: the alloy sheet material that step (3) is obtained is cut into after the alloy sheet material that length is 20 ~ 150mm, then at 1000 ~ 1300 ℃ oxide treatment 80 ~ 120 hours, obtain strengthened dispersion alloy thin slice;
(5) Compound Machining: 1000 ~ 1500 strengthened dispersion alloy thin slices are carried out compound on the friction press of 50 ~ 200Kg;
(6) forge hot: the product that step (5) is obtained anneal 25 ~ 40 minutes at 1300 ~ 1450 ℃, then on the air hammer of 200Kg, carry out forging for 15 ~ 20 times, initial forging temperature is 1300 ~ 1450 ℃, begin to forge 10 ~ 15 times, final forging temperature is 1000 ~ 1200 ℃, finish-forging 5 ~ 10 times, obtains platinum rhodium ingot;
(7) cogging: step (6) is obtained to platinum rhodium ingot anneal 1 ~ 2 hour at 1000 ~ 1100 ℃, and cogging once, repeats 3 ~ 4 coggings on milling train;
(8) rolling: anneal 20 ~ 40 minutes when the platinum rhodium ingot that step (7) is obtained is rolled into 1.5 ~ 2 times of desired thickness, annealing temperature is 1200 ~ 1300 ℃, then on milling train, rolling obtains the finished product of desired thickness.
Described disperse means are the mixture of metallic yttrium and metal zirconium, and the ratio of metallic yttrium and metal zirconium is 4 ~ 1:1.
The method of making dispersion-strengthened platinum rhodium sheet material of the present invention can be processed and be obtained 35Kg dispersion intensifying platinum rhodium sheet material, solved the difficult problem that dispersion-strengthened platinum rhodium is difficult to make the sheet material that surpasses 20KG, thereby expanded the Application Areas of dispersion-strengthened platinum rhodium material, improve product life, reduced cost.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment mono-: a kind of method of making dispersion-strengthened platinum rhodium sheet material, comprises following processing step:
(1) batching: rhodium powder 9.9%, metallic yttrium 0.16%, metal zirconium 0.04%, surplus is platinum ingot casting;
(2) vacuum melting: the raw material that step (1) is prepared carries out melting in vacuum induction furnace, pressure is 2 * 10
-3pa, temperature is 1800 ℃, smelting time is 2 hours, obtains liquid alloy;
(3) sheet is rolled in cast: the liquid alloy that step (2) is obtained pours into ingot casting in mold, and pouring temperature is 1950 ℃, and ingot casting being rolled on milling train to thickness is the alloy sheet material that 0.1mm, width are 20mm;
(4) oxide treatment: the alloy sheet material that step (3) is obtained is cut into after the alloy sheet material that length is 20mm, then at 1000 ℃ oxide treatment 120 hours, obtain strengthened dispersion alloy thin slice;
(5) Compound Machining: 1000 strengthened dispersion alloy thin slices are carried out compound on the friction press of 50Kg;
(6) forge hot: the product that step (5) is obtained anneal 40 minutes at 1300 ℃, then on the air hammer of 200Kg, carry out forging for 15 times, initial forging temperature is 1300 ℃, begins to forge 10 times, and final forging temperature is 1000 ℃, and finish-forging 5 times, obtains platinum rhodium ingot;
(7) cogging: step (6) is obtained to platinum rhodium ingot anneal 2 hours at 1000 ℃, and cogging once, repeats 3 coggings on milling train;
(8) rolling: anneal 20 minutes when the platinum rhodium ingot that step (7) is obtained is rolled into 1.5 times of desired thickness, annealing temperature is 1300 ℃, then on milling train, rolling obtains the finished product of desired thickness.
Embodiment bis-: a kind of method of making dispersion-strengthened platinum rhodium sheet material, comprises following processing step:
(1) batching: rhodium powder 10%, metallic yttrium 0.3%, metal zirconium 0.3%, surplus is platinum ingot casting;
(2) vacuum melting: the raw material that step (1) is prepared carries out melting in vacuum induction furnace, pressure is 1 * 10
-5pa, temperature is 2000 ℃, smelting time is 1 hour, obtains liquid alloy;
(3) sheet is rolled in cast: the liquid alloy that step (2) is obtained pours into ingot casting in mold, and pouring temperature is 2050 ℃, and ingot casting being rolled on milling train to thickness is the alloy sheet material that 0.13mm, width are 150mm;
(4) oxide treatment: the alloy sheet material that step (3) is obtained is cut into after the alloy sheet material that length is 150mm, then at 1300 ℃ oxide treatment 80 hours, obtain strengthened dispersion alloy thin slice;
(5) Compound Machining: 1500 strengthened dispersion alloy thin slices are carried out compound on the friction press of 200Kg;
(6) forge hot: the product that step (5) is obtained anneal 25 minutes at 1450 ℃, then on the air hammer of 200Kg, carry out forging for 20 times, initial forging temperature is 1450 ℃, begins to forge 15 times, and final forging temperature is 1200 ℃, and finish-forging 5 times, obtains platinum rhodium ingot;
(7) cogging: step (6) is obtained to platinum rhodium ingot anneal 1 hour at 1100 ℃, and cogging once, repeats 4 coggings on milling train;
(8) rolling: anneal 40 minutes when the platinum rhodium ingot that step (7) is obtained is rolled into 2 times of desired thickness, annealing temperature is 1200 ℃, then on milling train, rolling obtains the finished product of desired thickness.
Embodiment tri-: a kind of method of making dispersion-strengthened platinum rhodium sheet material, comprises following processing step:
(1) batching: rhodium powder 9.99%, metallic yttrium 0.2, metal zirconium 0.1%, surplus is platinum ingot casting;
(2) vacuum melting: the raw material that step (1) is prepared carries out melting in vacuum induction furnace, pressure is 2.5 * 10
-5pa, temperature is 1900 ℃, smelting time is 1.5 hours, obtains liquid alloy;
(3) sheet is rolled in cast: the liquid alloy that step (2) is obtained pours into ingot casting in mold, and pouring temperature is 2000 ℃, and ingot casting being rolled on milling train to thickness is the alloy sheet material that 0.12mm, width are 100mm;
(4) oxide treatment: the alloy sheet material that step (3) is obtained is cut into after the alloy sheet material that length is 100mm, then at 1200 ℃ oxide treatment 100 hours, obtain strengthened dispersion alloy thin slice;
(5) Compound Machining: 1200 strengthened dispersion alloy thin slices are carried out compound on the friction press of 150Kg;
(6) forge hot: the product that step (5) is obtained anneal 30 minutes at 1400 ℃, then on the air hammer of 200Kg, carry out forging for 16 times, initial forging temperature is 1400 ℃, begins to forge 11 times, and final forging temperature is 1100 ℃, and finish-forging 5 times, obtains platinum rhodium ingot;
(7) cogging: step (6) is obtained to platinum rhodium ingot anneal 1.5 hours at 1050 ℃, and cogging once, repeats 3 coggings on milling train;
(8) rolling: anneal 30 minutes when the platinum rhodium ingot that step (7) is obtained is rolled into 1.6 times of desired thickness, annealing temperature is 1250 ℃, then on milling train, rolling obtains the finished product of desired thickness.
Claims (1)
1. a method of making dispersion-strengthened platinum rhodium sheet material, is characterized in that, comprises following processing step:
(1) batching: rhodium powder 9.9 ~ 10%, disperse means 0.2 ~ 0.6%, surplus is platinum ingot casting;
(2) vacuum melting: the raw material that step (1) is prepared carries out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 1 * 10
-5pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid alloy;
(3) sheet is rolled in cast: the liquid alloy that step (2) is obtained pours into ingot casting in mold, and pouring temperature is 1950 ~ 2050 ℃, and ingot casting being rolled on milling train to thickness is the alloy sheet material that 0.1 ~ 0.13mm, width are 20 ~ 150mm;
(4) oxide treatment: the alloy sheet material that step (3) is obtained is cut into after the alloy sheet material that length is 20 ~ 150mm, then at 1000 ~ 1300 ℃ oxide treatment 80 ~ 120 hours, obtain strengthened dispersion alloy thin slice;
(5) Compound Machining: 1000 ~ 1500 strengthened dispersion alloy thin slices are carried out compound on the friction press of 50 ~ 200Kg;
(6) forge hot: the product that step (5) is obtained anneal 25 ~ 40 minutes at 1300 ~ 1450 ℃, then on the air hammer of 200Kg, carry out forging for 15 ~ 20 times, initial forging temperature is 1300 ~ 1450 ℃, begin to forge 10 ~ 15 times, final forging temperature is 1000 ~ 1200 ℃, finish-forging 5 ~ 10 times, obtains platinum rhodium ingot;
(7) cogging: step (6) is obtained to platinum rhodium ingot anneal 1 ~ 2 hour at 1000 ~ 1100 ℃, and cogging once, repeats 3 ~ 4 coggings on milling train;
(8) rolling: anneal 20 ~ 40 minutes when the platinum rhodium ingot that step (7) is obtained is rolled into 1.5 ~ 2 times of desired thickness, annealing temperature is 1200 ~ 1300 ℃, then on milling train, rolling obtains the finished product of desired thickness;
Described disperse means are the mixture of metallic yttrium and metal zirconium, and the ratio of metallic yttrium and metal zirconium is 4 ~ 1:1.
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|---|---|---|---|
| CN201210385280.3A CN102876911B (en) | 2012-10-12 | 2012-10-12 | Method for manufacturing dispersion-strengthened platinum-rhodium alloy sheet |
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| CN102876911B true CN102876911B (en) | 2014-03-19 |
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| CN107971707B (en) * | 2017-12-01 | 2019-07-16 | 贵研资源（易门）有限公司 | The preparation method of high-purity standard palladium ingot |
| CN109434040B (en) * | 2018-12-28 | 2020-09-15 | 无锡英特派金属制品有限公司 | Preparation method of high-density platinum-rhodium alloy ingot for TFT platinum channel |
| CN110218895A (en) * | 2019-06-26 | 2019-09-10 | 泰安恒成复合材料工程技术有限公司 | A kind of preparation process of dispersion-strengtherning platinum-rhodium alloy plate |
| CN110387483B (en) * | 2019-07-25 | 2021-02-09 | 无锡英特派金属制品有限公司 | Manufacturing method of Pt-Au alloy |
| CN111761033B (en) * | 2019-10-21 | 2021-09-03 | 查长伟 | Meteorite composite steel sword casting method |
| CN111321773A (en) * | 2020-04-13 | 2020-06-23 | 湖南海斯特材料科技有限公司 | Excavator bucket shoulder pad |
| CN114406274B (en) * | 2021-12-30 | 2023-07-14 | 英特派铂业股份有限公司 | Method for preparing nano reinforced phase dispersed reinforced platinum |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139668A (en) * | 2006-09-08 | 2008-03-12 | 国内贸易部物资再生利用研究所 | Reinforced platinum material and method of manufacture and use thereof |
| CN101561321A (en) * | 2009-05-18 | 2009-10-21 | 无锡英特派金属制品有限公司 | Dispersion strengthening platinum/rhodium10-platinum thermocouple wires and production method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139668A (en) * | 2006-09-08 | 2008-03-12 | 国内贸易部物资再生利用研究所 | Reinforced platinum material and method of manufacture and use thereof |
| CN101561321A (en) * | 2009-05-18 | 2009-10-21 | 无锡英特派金属制品有限公司 | Dispersion strengthening platinum/rhodium10-platinum thermocouple wires and production method thereof |
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Address after: Xishan District Beizhen Jiangsu province 214192 new Tin Village in Wuxi City Patentee after: Intel platinum Co.,Ltd. Address before: Xishan District Beizhen Jiangsu province 214192 new Tin Village in Wuxi City Patentee before: WUXI INTERNATIONAL PLATINUM Co.,Ltd. |
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