CN102952959B - Composite dispersion strengthened platinum material production method - Google Patents
Composite dispersion strengthened platinum material production method Download PDFInfo
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- CN102952959B CN102952959B CN201210462648.1A CN201210462648A CN102952959B CN 102952959 B CN102952959 B CN 102952959B CN 201210462648 A CN201210462648 A CN 201210462648A CN 102952959 B CN102952959 B CN 102952959B
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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 dispersion-strengthened platinum material, especially a kind of method of making compound dispersion-strengthened platinum material, belongs to metallic substance technical field.
Background technology
Platinum is widely used in glass industry.Dispersion-strengthened platinum material is taking metal platinum as matrix, the new structural material taking oxide compounds such as metal zirconium, yttrium, thorium, berylliums as dispersion-strengthened phase.There is 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 use 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 object of this invention is to provide a kind of production method of compound dispersion-strengthened platinum material.Material prepared by this kind of method has high strength, high tenacity, can prevent the expansion of crack defect, has better anti-poisoning characteristic, and platinum material unit elongation and intensity can design control, and material distribution of current is controlled, and platinum devolatilization such as can design at the feature.
According to technical scheme provided by the invention, compound dispersion intensifying platinum material produce method, step is by weight percentage:
(1) batching: dispersion intensifying platinum alloy slice: disperse means 0.01% ~ 0.6%, surplus is platinum ingot casting; Common platinized platinum: platinum ingot casting;
(2) high frequency melting: platinum ingot casting is placed in high frequency furnace and carries out melting, and temperature is 1800 ~ 2000 DEG C, and smelting time is 1 ~ 2 hour, frequency is 10 ~ 400KHz, and nitrogen blowing protects, obtain liquid metal, and liquid metal is cast into ingot casting in mold;
(3) vacuum melting:
Dispersion intensifying platinum alloy slice: the ingot casting that step (2) has been cast and disperse means carry out melting in vacuum induction furnace, pressure is 2 × 10
-3~ 20Pa, temperature is 1800 ~ 2000 DEG C, smelting time is 1 ~ 2 hour, obtains liquid alloy;
Common platinized platinum: the ingot casting that step (2) has been cast carries out melting in vacuum induction furnace, pressure is 2 × 10
-3~ 20Pa, temperature is 1800 ~ 2000 DEG C, 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 DEG C, ingot casting being rolled on milling train to thickness is alloy sheet material or the common platinized platinum that 0.1 ~ 0.3mm, width are 20 ~ 150mm, and alloy sheet material or common platinized platinum are cut into alloy sheet material or the common platinized platinum that length is 20 ~ 150mm on scissor machine;
(5) oxide treatment: the alloy sheet material that step (4) is obtained oxide treatment 80 ~ 120 hours at 1000 ~ 1300 DEG C, obtains dispersion intensifying platinum alloy slice;
(6) Compound Machining: sum is no less than to the dispersion intensifying platinum alloy slice of two and common platinized platinum according to a definite sequence lamination of design, carries out compound under vacuum environment on the friction press of 50 ~ 200 tons;
(7) forge hot: the product that step (6) is obtained anneal 25 ~ 40 minutes at 1100 ~ 1350 DEG C, then on the air hammer of 200Kg, carry out forging for 15 ~ 20 times, initial forging temperature is 1100 ~ 1350 DEG C, begin to forge 10 ~ 15 times, final forging temperature is 900 ~ 1100 DEG C, and finish-forging 5 ~ 10 times, obtains platinum ingot;
(8) cogging: the platinum ingot that step (7) is obtained anneal 1 ~ 2 hour at 1000 ~ 1100 DEG C, on milling train, cogging once, repeats 3 ~ 4 coggings;
(9) rolling: anneal 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 DEG C, and then rolling obtains the compound dispersion-strengthened platinum material of product 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, on the friction press of 50 ~ 200 tons, carry out compound, 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 titanium.
Described alternative stacked refers to takes 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.
Tool of the present invention has the following advantages: the compound dispersion-strengthened platinum material that the present invention produces, there is high strength, high tenacity, and can prevent the expansion of crack defect, resistance to poisoning characteristic is better, platinum material hot strength and unit elongation can be controlled, and material distribution of current is controlled, and platinum devolatilization can design.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.The embodiment of the present invention adopts identical production method, only converts quantity and the laminated layer sequence of dispersion intensifying platinum alloy slice and common platinized platinum in Compound Machining.
Embodiment 1
(1) batching: dispersion intensifying platinum alloy slice: disperse means 0.01% ~ 0.6%, surplus is platinum ingot casting; Common platinized platinum: platinum ingot casting;
(2) high frequency melting: platinum ingot casting is placed in high frequency furnace and carries out melting, and temperature is 1800 ~ 2000 DEG C, and smelting time is 1 ~ 2 hour, frequency is 10 ~ 400KHz, and nitrogen blowing protects, obtain liquid metal, and liquid metal is cast into ingot casting in mold;
(3) vacuum melting:
Dispersion intensifying platinum alloy slice: the ingot casting that step (2) has been cast and disperse means carry out melting in vacuum induction furnace, pressure is 2 × 10
-3~ 20Pa, temperature is 1800 ~ 2000 DEG C, smelting time is 1 ~ 2 hour, obtains liquid alloy;
Common platinized platinum: the ingot casting that step (2) has been cast carries out melting in vacuum induction furnace, pressure is 2 × 10
-3~ 20Pa, temperature is 1800 ~ 2000 DEG C, 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 DEG C, ingot casting being rolled on milling train to thickness is alloy sheet material or the common platinized platinum that 0.1 ~ 0.3mm, width are 20 ~ 150mm, and alloy sheet material or common platinized platinum are cut into alloy sheet material or the common platinized platinum that length is 20 ~ 150mm on scissor machine;
(5) oxide treatment: the alloy sheet material that step (4) is obtained oxide treatment 80 ~ 120 hours at 1000 ~ 1300 DEG C, obtains dispersion intensifying platinum alloy slice;
(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 on the friction press of 50 tons, carry out compound.
(7) forge hot: the product that step (6) is obtained anneal 25 ~ 40 minutes at 1100 ~ 1350 DEG C, then on the air hammer of 200Kg, carry out forging for 15 ~ 20 times, initial forging temperature is 1100 ~ 1350 DEG C, begin to forge 10 ~ 15 times, final forging temperature is 900 ~ 1100 DEG C, and finish-forging 5 ~ 10 times, obtains platinum ingot;
(8) cogging: the platinum ingot that step (7) is obtained anneal 1 ~ 2 hour at 1000 ~ 1100 DEG C, on milling train, cogging once, repeats 3 ~ 4 coggings;
(9) rolling: anneal 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 DEG C, and then rolling obtains the compound dispersion-strengthened platinum material of product on milling train.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound;
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound.
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound.
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 0.2mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound;
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound.
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound;
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound;
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound;
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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 on the friction press of 50 tons, carry out compound;
Concrete preparation method is with embodiment 1.
By the finished product obtaining, sampling, sampling specification is as follows: long 100mm, wide 10mm, thick 1mm.And in the time that temperature is 1400 DEG C, 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: dispersion intensifying platinum alloy slice: disperse means 0.01% ~ 0.6%, surplus is platinum ingot casting; Common platinized platinum: platinum ingot casting;
(2) high frequency melting: platinum ingot casting is placed in high frequency furnace and carries out melting, and temperature is 1800 ~ 2000 DEG C, and smelting time is 1 ~ 2 hour, frequency is 10 ~ 400KHz, and nitrogen blowing protects, obtain liquid metal, and liquid metal is cast into ingot casting in mold;
(3) vacuum melting:
Dispersion intensifying platinum alloy slice: the ingot casting that step (2) has been cast and disperse means carry out melting in vacuum induction furnace, pressure is 2 × 10
-3~ 20Pa, temperature is 1800 ~ 2000 DEG C, smelting time is 1 ~ 2 hour, obtains liquid alloy;
Common platinized platinum: the ingot casting that step (2) has been cast carries out melting in vacuum induction furnace, pressure is 2 × 10
-3~ 20Pa, temperature is 1800 ~ 2000 DEG C, 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 DEG C, ingot casting being rolled on milling train to thickness is alloy sheet material or the common platinized platinum that 0.1 ~ 0.3mm, width are 20 ~ 150mm, and alloy sheet material or common platinized platinum are cut into alloy sheet material or the common platinized platinum that length is 20 ~ 150mm on scissor machine;
(5) oxide treatment: the alloy sheet material that step (4) is obtained oxide treatment 80 ~ 120 hours at 1000 ~ 1300 DEG C, obtains dispersion intensifying platinum alloy slice;
(6) Compound Machining: sum is no less than to the dispersion intensifying platinum alloy slice of two and common platinized platinum according to a definite sequence lamination of design, carries out compound under vacuum environment on the friction press of 50 ~ 200 tons;
(7) forge hot: the product that step (6) is obtained anneal 25 ~ 40 minutes at 1100 ~ 1350 DEG C, then on the air hammer of 200Kg, carry out forging for 15 ~ 20 times, initial forging temperature is 1100 ~ 1350 DEG C, begin to forge 10 ~ 15 times, final forging temperature is 900 ~ 1100 DEG C, and finish-forging 5 ~ 10 times, obtains platinum ingot;
(8) cogging: the platinum ingot that step (7) is obtained anneal 1 ~ 2 hour at 1000 ~ 1100 DEG C, on milling train, cogging once, repeats 3 ~ 4 coggings;
(9) rolling: anneal 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 DEG C, and then rolling obtains the compound dispersion-strengthened platinum material of product 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, on the friction press of 50 ~ 200 tons, carry out compound, 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, is characterized in that: described disperse means are one or more in zirconium, yttrium, calcium, lanthanum or titanium.
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| 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 |
| 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 |
| 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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| CN101003192A (en) * | 2007-01-24 | 2007-07-25 | 秦国义 | Laminated composite diffusive intensified platinum and platinum alloy |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN101003192A (en) * | 2007-01-24 | 2007-07-25 | 秦国义 | Laminated composite diffusive intensified platinum and platinum alloy |
| 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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