CN102952959A - Composite dispersion strengthened platinum material production method - Google Patents
Composite dispersion strengthened platinum material production method Download PDFInfo
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- CN102952959A CN102952959A CN2012104626481A CN201210462648A CN102952959A CN 102952959 A CN102952959 A CN 102952959A CN 2012104626481 A CN2012104626481 A CN 2012104626481A CN 201210462648 A CN201210462648 A CN 201210462648A CN 102952959 A CN102952959 A CN 102952959A
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Abstract
The invention relates to a production method for producing dispersion strengthened platinum materials, in particular to a method for producing composite dispersion strengthened platinum materials, belonging to the technical field of metal materials. The composite dispersion strengthened platinum materials are obtained through proportioning, high-frequency smelting, vacuum smelting, cast rolled sheet cutting, oxidation treatment, composite processing, hot forging, cogging and rolling. On the premise that the strength and the toughness of the dispersion strengthened platinum materials are guaranteed, crack defects are effectively prevented from being expanded and the ductility of platinum materials can be controlled.
Description
Technical field
The present invention relates to a kind of production method of making the dispersion-strengthened platinum material, especially a kind of method of making compound dispersion-strengthened platinum material belongs to the metallic substance technical field.
Background technology
Platinum is widely used in glass industry.The dispersion-strengthened platinum material is take metal platinum as matrix, the new structural material take oxide compounds such as metal zirconium, yttrium, thorium, berylliums as the dispersion-strengthened phase.Have good oxidation-resistance, high-temperature creep resistance and refractory and melt glass attack.But, the poor toughness of dispersion-strengthened platinum material, and the use properties of finished product is not good, can not bear moderate finite deformation.The dispersion-strengthened platinum material making method of industrial usefulness generally has three kinds: powder metallurgic method, liquid phase deposition and lamination internal oxidation, most of companies adopt powder metallurgic method.
Summary of the invention
The production method that the purpose of this invention is to provide a kind of compound dispersion-strengthened platinum material.The material of this kind method preparation has high strength, high tenacity, can prevent the expansion of crack defect, and better anti-poisoning characteristic is arranged, and platinum material unit elongation and intensity can design control, and the material distribution of current is controlled, and the platinum devolatilization such as can design at the characteristics.
According to technical scheme provided by the invention, compound dispersion intensifying platinum material produce method, step is by weight percentage:
(1) batching: the dispersion intensifying platinum alloy slice: disperse means 0.01% ~ 0.6%, surplus are the platinum ingot casting; Common platinized platinum: platinum ingot casting;
(2) high frequency melting: the platinum ingot casting is placed on carries out melting in the high frequency furnace, temperature is 1800 ~ 2000 ℃, and smelting time is 1 ~ 2 hour, frequency is 10 ~ 400KHz, and nitrogen blowing protects, and obtains liquid metal, and liquid metal is cast into ingot casting in mold;
(3) vacuum melting:
The dispersion intensifying platinum alloy slice: ingot casting and disperse means that step (2) casting is good carry out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 20Pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid alloy;
Common platinized platinum: the ingot casting that step (2) casting is good carries out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 20Pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid metal;
(4) water the cutting of casting sheet: liquid alloy or liquid metal that step (3) is obtained are cast into ingot casting in mold, pouring temperature is 1950 ~ 2050 ℃, it is that 0.1 ~ 0.3mm, width are alloy sheet material or the common platinized platinum of 20 ~ 150mm that ingot casting is rolled into thickness at milling train, and alloy sheet material or common platinized platinum are cut into alloy sheet material or the common platinized platinum that length is 20 ~ 150mm at scissor machine;
(5) oxide treatment: the alloy sheet material that step (4) is obtained obtains the dispersion intensifying platinum alloy slice 1000 ~ 1300 ℃ of lower oxide treatment 80 ~ 120 hours;
(6) Compound Machining: sum is no less than two dispersion intensifying platinum alloy slice and common platinized platinum according to a definite sequence lamination of design, and the friction press in 50 ~ 200 tons under vacuum environment carries out compound;
(7) forge hot: the product that step (6) is obtained is 1100 ~ 1350 ℃ of lower anneal 25 ~ 40 minutes, then carries out 15 ~ 20 times at the air hammer of 200Kg and forges, and initial forging temperature is 1100 ~ 1350 ℃, begin to forge 10 ~ 15 times, final forging temperature is 900 ~ 1100 ℃, and finish-forging 5 ~ 10 times obtains the platinum ingot;
(8) cogging: the platinum ingot that step (7) is obtained was 1000 ~ 1100 ℃ of lower anneal 1 ~ 2 hour, and cogging once repeats 3 ~ 4 coggings on milling train;
(9) rolling: annealed 20 ~ 40 minutes when the platinum ingot that step (8) is obtained is rolled into 1.5 ~ 2 times of desired thickness, annealing temperature is 1200 ~ 1300 ℃, then the rolling compound dispersion-strengthened platinum material of product that obtains on milling train.
Described matrix material is according to a definite sequence lamination by several dispersion intensifying platinum alloy slices and several common platinized platinums, carry out compound at 50 ~ 200 tons friction presses, dispersion intensifying platinum alloy slice and common platinized platinum quantity sum are greater than two, and dispersion intensifying platinum alloy slice and common platinized platinum thickness are all between 0.1 ~ 0.3mm;
A described definite sequence lamination refers to dispersion intensifying platinum alloy slice and common platinized platinum alternative stacked.
Described disperse means are one or more in zirconium, yttrium, calcium, lanthanum or the titanium.
Described alternative stacked refers to take several dispersion intensifying platinum alloy slices and several common platinized platinums, determines mass ratio according to required mechanical property, and alternative stacked in mass ratio.
The present invention has following advantage: the compound dispersion-strengthened platinum material that the present invention produces, have high strength, high tenacity, and can prevent the expansion of crack defect, anti-poisoning characteristic is better, platinum material hot strength and unit elongation can be controlled, and the material distribution of current is controlled, and the platinum devolatilization can design.
Embodiment
The invention will be further described below in conjunction with specific embodiment.The embodiment of the invention adopts identical production method, the quantity of dispersion intensifying platinum alloy slice and common platinized platinum and laminated layer sequence in the only conversion Compound Machining.
Embodiment 1
(1) batching: the dispersion intensifying platinum alloy slice: disperse means 0.01% ~ 0.6%, surplus are the platinum ingot casting; Common platinized platinum: platinum ingot casting;
(2) high frequency melting: the platinum ingot casting is placed on carries out melting in the high frequency furnace, temperature is 1800 ~ 2000 ℃, and smelting time is 1 ~ 2 hour, frequency is 10 ~ 400KHz, and nitrogen blowing protects, and obtains liquid metal, and liquid metal is cast into ingot casting in mold;
(3) vacuum melting:
The dispersion intensifying platinum alloy slice: ingot casting and disperse means that step (2) casting is good carry out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 20Pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid alloy;
Common platinized platinum: the ingot casting that step (2) casting is good carries out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 20Pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid metal;
(4) water the cutting of casting sheet: liquid alloy or liquid metal that step (3) is obtained are cast into ingot casting in mold, pouring temperature is 1950 ~ 2050 ℃, it is that 0.1 ~ 0.3mm, width are alloy sheet material or the common platinized platinum of 20 ~ 150mm that ingot casting is rolled into thickness at milling train, and alloy sheet material or common platinized platinum are cut into alloy sheet material or the common platinized platinum that length is 20 ~ 150mm at scissor machine;
(5) oxide treatment: the alloy sheet material that step (4) is obtained obtains the dispersion intensifying platinum alloy slice 1000 ~ 1300 ℃ of lower oxide treatment 80 ~ 120 hours;
(6) Compound Machining: 1000 dispersion intensifying platinum alloy slices and 500 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice.Mass ratio is followed successively by: 16.675%, 16.65%, 33.35%, 16.65%, 16.675%, and carry out compound at 50 tons friction press.
(7) forge hot: the product that step (6) is obtained is 1100 ~ 1350 ℃ of lower anneal 25 ~ 40 minutes, then carries out 15 ~ 20 times at the air hammer of 200Kg and forges, and initial forging temperature is 1100 ~ 1350 ℃, begin to forge 10 ~ 15 times, final forging temperature is 900 ~ 1100 ℃, and finish-forging 5 ~ 10 times obtains the platinum ingot;
(8) cogging: the platinum ingot that step (7) is obtained was 1000 ~ 1100 ℃ of lower anneal 1 ~ 2 hour, and cogging once repeats 3 ~ 4 coggings on milling train;
(9) rolling: annealed 20 ~ 40 minutes when the platinum ingot that step (8) is obtained is rolled into 1.5 ~ 2 times of desired thickness, annealing temperature is 1200 ~ 1300 ℃, then the rolling compound dispersion-strengthened platinum material of product that obtains on milling train.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 8 times of common dispersion intensifying platinum, is 3 times of common platinum, and high temperature service life is 230 times of common platinum.
Embodiment 2
1000 dispersion intensifying platinum alloy slices and 1000 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice.Mass ratio is followed successively by: 12.5%, 25%, 25%, 25%, 12.5%, and carry out compound at 50 tons friction press;
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 9.2 times of common dispersion intensifying platinum, is 3.6 times of common platinum, and high temperature service life is 200 times of common platinum.
Embodiment 3
500 dispersion intensifying platinum alloy slices and 1000 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum.Mass ratio is followed successively by: 16.675%, 16.65%, 33.35%, 16.65%, 16.675%, and carry out compound at 50 tons friction press.
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 11.4 times of common dispersion intensifying platinum, is 4.1 times of common platinum, and high temperature service life is 162 times of common platinum.
Embodiment 4
1 dispersion intensifying platinum alloy slice and 1 common platinized platinum are gathered into folds, stack order and be followed successively by: common platinized platinum, dispersion intensifying platinum alloy slice.And carry out compound at 50 tons friction press.
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 0.2mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 9.1 times of common dispersion intensifying platinum, is 3.6 times of common platinum, and high temperature service life is 200 times of common platinum.
Embodiment 5
100 dispersion intensifying platinum alloy slices and 1000 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum.Mass ratio is followed successively by: 45.45%, 9.1%, 45.45%.And carry out compound at 50 tons friction press;
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 3 times of common dispersion intensifying platinum, is 1.5 times of common platinum, and high temperature service life is 39 times of common platinum.
Embodiment 6
1000 dispersion intensifying platinum alloy slices and 100 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice.Mass ratio is followed successively by: 45.45%, 9.1%, 45.45%, and carry out compound at 50 tons friction press.
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 2.6 times of common dispersion intensifying platinum, is 1.6 times of common platinum, and high temperature service life is 361 times of common platinum.
Embodiment 7
1000 dispersion intensifying platinum alloy slices and 400 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice.Mass ratio is followed successively by: 23.8%, 14.3%, 23.8%, 14.3%, 23.8%, and carry out compound at 50 tons friction press;
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 7.6 times of common dispersion intensifying platinum, is 2.9 times of common platinum, and high temperature service life is 251 times of common platinum.
Embodiment 8
400 dispersion intensifying platinum alloy slices and 1000 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum.Mass ratio is followed successively by: 23.8%, 14.3%, 23.8%, 14.3%, 23.8%, and carry out compound at 50 tons friction press;
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 12.3 times of common dispersion intensifying platinum, is 4.7 times of common platinum, and high temperature service life is 123 times of common platinum.
Embodiment 9
1500 dispersion intensifying platinum alloy slices and 500 common platinized platinums are gathered into folds according to certain mass distribution ratio, stack order and be followed successively by: dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice, common platinized platinum, dispersion intensifying platinum alloy slice.Mass ratio is followed successively by: 25%, 12.5%, 25%, 12.5%, 25%, and carry out compound at 50 tons friction press;
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 5.5 times of common dispersion intensifying platinum, is 2 times of common platinum, and high temperature service life is 289 times of common platinum.
Embodiment 10
500 dispersion intensifying platinum alloy slices and 1000 common platinized platinums are gathered into folds according to certain mass distribution ratio, stacking order is followed successively by: 10 common platinized platinums, 10 dispersion intensifying platinum alloy slices, 10 common platinized platinums build up one group, 50 groups are stacked together again, and carry out compound at 50 tons friction press;
Concrete preparation method is with embodiment 1.
With the finished product that obtains, sampling, the sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And when temperature is 1400 ℃, do tension and test.Under equal stress, the high temperature unit elongation of compound dispersion intensifying platinum is 14 times of common dispersion intensifying platinum, is 5.7 times of common platinum, and high temperature service life is 150 times of common platinum.
Claims (3)
1. compound dispersion intensifying platinum material produce method is characterized in that step is by weight percentage:
(1) batching: the dispersion intensifying platinum alloy slice: disperse means 0.01% ~ 0.6%, surplus are the platinum ingot casting; Common platinized platinum: platinum ingot casting;
(2) high frequency melting: the platinum ingot casting is placed on carries out melting in the high frequency furnace, temperature is 1800 ~ 2000 ℃, and smelting time is 1 ~ 2 hour, frequency is 10 ~ 400KHz, and nitrogen blowing protects, and obtains liquid metal, and liquid metal is cast into ingot casting in mold;
(3) vacuum melting:
The dispersion intensifying platinum alloy slice: ingot casting and disperse means that step (2) casting is good carry out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 20Pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid alloy;
Common platinized platinum: the ingot casting that step (2) casting is good carries out melting in vacuum induction furnace, pressure is 2 * 10
-3~ 20Pa, temperature is 1800 ~ 2000 ℃, smelting time is 1 ~ 2 hour, obtains liquid metal;
(4) water the cutting of casting sheet: liquid alloy or liquid metal that step (3) is obtained are cast into ingot casting in mold, pouring temperature is 1950 ~ 2050 ℃, it is that 0.1 ~ 0.3mm, width are alloy sheet material or the common platinized platinum of 20 ~ 150mm that ingot casting is rolled into thickness at milling train, and alloy sheet material or common platinized platinum are cut into alloy sheet material or the common platinized platinum that length is 20 ~ 150mm at scissor machine;
(5) oxide treatment: the alloy sheet material that step (4) is obtained obtains the dispersion intensifying platinum alloy slice 1000 ~ 1300 ℃ of lower oxide treatment 80 ~ 120 hours;
(6) Compound Machining: sum is no less than two dispersion intensifying platinum alloy slice and common platinized platinum according to a definite sequence lamination of design, and the friction press in 50 ~ 200 tons under vacuum environment carries out compound;
(7) forge hot: the product that step (6) is obtained is 1100 ~ 1350 ℃ of lower anneal 25 ~ 40 minutes, then carries out 15 ~ 20 times at the air hammer of 200Kg and forges, and initial forging temperature is 1100 ~ 1350 ℃, begin to forge 10 ~ 15 times, final forging temperature is 900 ~ 1100 ℃, and finish-forging 5 ~ 10 times obtains the platinum ingot;
(8) cogging: the platinum ingot that step (7) is obtained was 1000 ~ 1100 ℃ of lower anneal 1 ~ 2 hour, and cogging once repeats 3 ~ 4 coggings on milling train;
(9) rolling: annealed 20 ~ 40 minutes when the platinum ingot that step (8) is obtained is rolled into 1.5 ~ 2 times of desired thickness, annealing temperature is 1200 ~ 1300 ℃, then the rolling compound dispersion-strengthened platinum material of product that obtains on milling train.
2. compound dispersion intensifying platinum material produce method as claimed in claim 1, it is characterized in that: described matrix material is according to a definite sequence lamination by several dispersion intensifying platinum alloy slices and several common platinized platinums, carry out compound at 50 ~ 200 tons friction presses, dispersion intensifying platinum alloy slice and common platinized platinum quantity sum are greater than two, and dispersion intensifying platinum alloy slice and common platinized platinum thickness are all between 0.1 ~ 0.3mm; A described definite sequence lamination refers to dispersion intensifying platinum alloy slice and common platinized platinum alternative stacked.
3. compound dispersion intensifying platinum material produce method as claimed in claim 1, it is characterized in that: described disperse means are one or more in zirconium, yttrium, calcium, lanthanum or the titanium.
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| CN103952585A (en) * | 2014-05-20 | 2014-07-30 | 重庆材料研究院有限公司 | Platinum-rhodium thermocouple fine wire material for quick temperature measurement and preparation method thereof |
| CN103952583A (en) * | 2014-05-20 | 2014-07-30 | 重庆材料研究院有限公司 | Reinforced platinum/rhodium 10-platinum fine thermocouple wire for quick temperature measurement and preparation method thereof |
| CN106111725A (en) * | 2016-06-02 | 2016-11-16 | 董照实 | A kind of dispersion-strengtherning platinum rhodium thermocouple wire production method |
| CN107338366A (en) * | 2017-07-27 | 2017-11-10 | 成都光明派特贵金属有限公司 | Dispersion intensifying platinum and platinum composite and preparation method thereof |
| CN107354339A (en) * | 2017-07-27 | 2017-11-17 | 成都光明派特贵金属有限公司 | Dispersion intensifying platinum rhodium and platinum composite and preparation method thereof |
| CN111519058A (en) * | 2020-04-29 | 2020-08-11 | 重庆国际复合材料股份有限公司 | Preparation method of in-situ synthesized nano-oxide particle dispersion strengthened platinum-based alloy material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103952585A (en) * | 2014-05-20 | 2014-07-30 | 重庆材料研究院有限公司 | Platinum-rhodium thermocouple fine wire material for quick temperature measurement and preparation method thereof |
| CN103952583A (en) * | 2014-05-20 | 2014-07-30 | 重庆材料研究院有限公司 | Reinforced platinum/rhodium 10-platinum fine thermocouple wire for quick temperature measurement and preparation method thereof |
| CN103952585B (en) * | 2014-05-20 | 2017-01-11 | 重庆材料研究院有限公司 | Platinum-rhodium thermocouple fine wire material for quick temperature measurement and preparation method thereof |
| CN103952583B (en) * | 2014-05-20 | 2017-01-11 | 重庆材料研究院有限公司 | Reinforced platinum/rhodium 10-platinum fine thermocouple wire for quick temperature measurement and preparation method thereof |
| CN106111725A (en) * | 2016-06-02 | 2016-11-16 | 董照实 | A kind of dispersion-strengtherning platinum rhodium thermocouple wire production method |
| CN107338366A (en) * | 2017-07-27 | 2017-11-10 | 成都光明派特贵金属有限公司 | Dispersion intensifying platinum and platinum composite and preparation method thereof |
| CN107354339A (en) * | 2017-07-27 | 2017-11-17 | 成都光明派特贵金属有限公司 | Dispersion intensifying platinum rhodium and platinum composite and preparation method thereof |
| CN107354339B (en) * | 2017-07-27 | 2019-03-05 | 成都光明派特贵金属有限公司 | Dispersion intensifying platinum rhodium and platinum composite material and preparation method |
| CN107338366B (en) * | 2017-07-27 | 2019-03-05 | 成都光明派特贵金属有限公司 | Dispersion intensifying platinum and platinum composite material and preparation method |
| CN111519058A (en) * | 2020-04-29 | 2020-08-11 | 重庆国际复合材料股份有限公司 | Preparation method of in-situ synthesized nano-oxide particle dispersion strengthened platinum-based alloy material |
| CN111519058B (en) * | 2020-04-29 | 2021-10-15 | 重庆国际复合材料股份有限公司 | Preparation method of in-situ synthesized nano-oxide particle dispersion strengthened platinum-based alloy material |
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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. |