CN105420579B - A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof - Google Patents
A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof Download PDFInfo
- Publication number
- CN105420579B CN105420579B CN201510925311.3A CN201510925311A CN105420579B CN 105420579 B CN105420579 B CN 105420579B CN 201510925311 A CN201510925311 A CN 201510925311A CN 105420579 B CN105420579 B CN 105420579B
- Authority
- CN
- China
- Prior art keywords
- tungsten
- molybdenum
- preparation
- molybdenum alloy
- hours
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention provides a kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof, and its each group percentage by weight is as follows, tungsten：50 80%, molybdenum：35 50%, rhenium:10 30%, zirconium：2 5%, impurity：0.1 1%, its preparation method is to be well mixed various metal dusts, is dehydrated, sieves in vacuum, mixing, being placed in smelting furnace and sinter after compacting, cool after sintering, thread or banding is made.Preparation method flow of the present invention is simple, and material property is good, has preferable resistance to elevated temperatures, the high temperature resistant accessory such as filament especially suitable for making LED car lamp.
Description
Technical field
The present invention relates to field of metallurgy, especially a kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof.
Background technology
Tungsten is important rare metal, is often applied to heating element of tungsten, support member of hot environment etc..Heating element of tungsten and tungsten
Key components and parts of the support member as the kind equipment, performance quality directly affect the application of device, the mode of heating element of tungsten failure
Mostly malformation, so as to cause the furnace temperature temperature difference to increase, product quality declines.
The content of the invention
The invention will solve the problems, such as to be to provide a kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof, raising tungsten alloy
Resistance to elevated temperatures, extend its service life, with overcome in the prior art the hot temperature tolerance of tungsten alloy it is poor, development of automobile can not be met
The problem of demand.
In order to solve the above technical problems, the technical scheme that the invention uses is：
A kind of high temperature resistant tungsten-molybdenum alloy, include the component of following percentage by weight, tungsten：50-80%, molybdenum：20-50%, rhenium:
10-30%, zirconium：2-5%, impurity：0.1-1%, above-mentioned each component percentage by weight sum are 100%.
Preferably, the component of following percentage by weight, tungsten are included：52-78%, molybdenum：21-45%, rhenium:15-25%, zirconium：
3-4%, impurity：0.1-1%, above-mentioned each component percentage by weight sum are 100%.
Preferably, the component of following percentage by weight, tungsten are included：55-75%, molybdenum：25-45%, rhenium:12-27%, zirconium：
2-5%, impurity：0.1-1%, above-mentioned each component percentage by weight sum are 100%.
Preferably, the component of following percentage by weight, tungsten are included：55%, molybdenum：25%, rhenium:15%, zirconium：4%, impurity：
1%, above-mentioned each component percentage by weight sum is 100%.
Present invention also offers a kind of method for preparing alloy as described above, preparation process comprises the following steps：
1) tungsten, molybdenum, zirconium and rhenium metal dust are dehydrated 1-3 hours in a vacuum, cross the mesh sieve of 500 mesh -1000；
2) powder of sieving is added in V-type batch mixer, mixing time is 25-30 hours, and rotating speed is 50-60 revs/min
Clock.
3) by well mixed powder, it is cold-pressed under inert gas shielding, pressure control range 200MPa-
300Mpa, after compacting, it is placed in smelting furnace, at 2100-2600 DEG C, carries out the sintering of 15-18 hours, after sintering, be cooled to
900-1200 DEG C is processed, and thread or banding is made.
Preferably, the inert gas is one kind in argon gas, nitrogen and helium.
Present invention simultaneously provides application of a kind of high temperature resistant tungsten-molybdenum alloy in LED car lamp filament is prepared as described above.
The beneficial effects of the invention are as follows：
1st, at high temperature, intensity is high, it is not broken to ensure, has resistance to High Cycle Fatigue and low week for product material of the present invention
The characteristic of phase fatigue.
2nd, the present invention can reach following technical indicator：Uniaxial tension intensity is reachable up to 600-800MPa, yield stress
500-700MPa, hardness is up to 200-240HBS.
Embodiment
Embodiment 1
A kind of high temperature resistant tungsten-molybdenum alloy, its each group percentage by weight is as follows, tungsten：50%, molybdenum：30%, rhenium:15%, zirconium：
4.5%, impurity：0.5%, above-mentioned each component percentage by weight sum is 100%.
Preparation method comprises the following steps：
1) tungsten, molybdenum, zirconium and rhenium metal dust are dehydrated 1.5 hours in a vacuum, cross 600 mesh sieves；
2) powder of sieving is added in V-type batch mixer, mixing time is 25 hours, and rotating speed is 50 revs/min.
3) by well mixed powder, it is cold-pressed under argon gas protection, pressure control range 200MPa, after compacting,
It is placed in smelting furnace, at 2300 DEG C, carries out the sintering of 15 hours, after sintering, is cooled to 900 DEG C and is processed, be made thread
Or banding.
Performance measurement is carried out at 1000 DEG C, uniaxial tension intensity is up to 600MPa, and yield stress is up to 650MPa, hardness
Up to 210HBS.
Embodiment 2
A kind of high temperature resistant tungsten-molybdenum alloy, its each group percentage by weight is as follows, tungsten：55%, molybdenum：25%, rhenium:15%, zirconium：
4%, impurity：1%, above-mentioned each component percentage by weight sum is 100%.
Preparation method comprises the following steps：
1) tungsten, molybdenum, zirconium and rhenium metal dust are dehydrated 1-3 hours in a vacuum, cross 800 mesh sieves；
2) powder of sieving is added in V-type batch mixer, mixing time is 30 hours, and rotating speed is 60 revs/min.
3) by well mixed powder, it is cold-pressed under nitrogen protection, pressure control range 280MPa, after compacting,
It is placed in smelting furnace, at 2500 DEG C, carries out the sintering of 17 hours, after sintering, is cooled to 1200 DEG C and is processed, be made thread
Or banding.
Performance measurement is carried out at 1200 DEG C, uniaxial tension intensity is up to 750MPa, and yield stress is up to 630MPa, hardness
Up to 240HBS.
Embodiment 3
A kind of high temperature resistant tungsten-molybdenum alloy, its each group percentage by weight is as follows, tungsten：60%, molybdenum：27%, rhenium:10%, zirconium：
2%, impurity：1%, above-mentioned each component percentage by weight sum is 100%.
Preparation method comprises the following steps：
1) tungsten, molybdenum, zirconium and rhenium metal dust are dehydrated 2.5 hours in a vacuum, cross 1000 mesh sieves；
2) powder of sieving is added in V-type batch mixer, mixing time is 28 hours, and rotating speed is 60 revs/min.
3) by well mixed powder, it is cold-pressed under helium protection, pressure control range 300MPa, after compacting,
It is placed in smelting furnace, at 2600 DEG C, carries out the sintering of 18 hours, after sintering, is cooled to 900 DEG C and is processed, be made thread
Or banding.
Carry out performance measurement at 900 DEG C, uniaxial tension intensity can 650MPa, yield stress can up to 600MPa, hardness
Up to 235HBS.
Embodiment 4
A kind of high temperature resistant tungsten-molybdenum alloy, its each group percentage by weight is as follows, tungsten：65%, molybdenum：20%, rhenium:12%, zirconium：
2%, impurity：1%, above-mentioned each component percentage by weight sum is 100%.
Preparation method comprises the following steps：
1) tungsten, molybdenum, zirconium and rhenium metal dust are dehydrated 2 hours in a vacuum, cross 9000 mesh sieves；
2) powder of sieving is added in V-type batch mixer, mixing time is 25 hours, and rotating speed is 55 revs/min.
3) by well mixed powder, it is cold-pressed under argon gas protection, pressure control range 300MPa, after compacting,
It is placed in smelting furnace, at 2400 DEG C, carries out the sintering of 17 hours, after sintering, is cooled to 1100 DEG C and is processed, be made thread
Or banding.
Carry out performance measurement at 1100 DEG C, uniaxial tension intensity can 700MPa, yield stress can up to 630MPa, hardness
Up to 230HBS.
The embodiment of the invention is described in detail above, but the content is only the preferable of the invention
Embodiment, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the invention scope with
Improve etc., all should still it belong within this patent covering scope.
Claims (3)
- A kind of 1. method for preparing tungsten-molybdenum alloy, it is characterised in that：Comprise the following steps：1) tungsten, molybdenum, zirconium and rhenium metal dust are dehydrated 1-3 hours in a vacuum, cross the mesh sieve of 500 mesh -1000；2) powder of sieving is added in V-type batch mixer, mixing time is 25-30 hours, and rotating speed is 50-60 revs/min；3) by well mixed powder, it is cold-pressed, pressure control range 200-300MPa, is suppressed under inert gas shielding Afterwards, it is placed in smelting furnace, at 2100-2600 DEG C, carries out the sintering of 15-18 hours, after sintering, be cooled to 900-1200 DEG C and enter Row processing, is made thread or banding；Tungsten-molybdenum alloy includes the component of following percentage by weight, tungsten：55%, molybdenum：25%, rhenium:15%, zirconium：4%, impurity：1%, Above-mentioned each component percentage by weight sum is 100%.
- 2. the preparation method of tungsten-molybdenum alloy according to claim 1, it is characterised in that：Inert gas is described in step 1) One kind in argon gas, nitrogen and helium.
- 3. the application of tungsten-molybdenum alloy prepared by preparation method according to claim 1 in LED car lamp filament is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925311.3A CN105420579B (en) | 2015-12-11 | 2015-12-11 | A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510925311.3A CN105420579B (en) | 2015-12-11 | 2015-12-11 | A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105420579A CN105420579A (en) | 2016-03-23 |
| CN105420579B true CN105420579B (en) | 2018-03-27 |
Family
ID=55499111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510925311.3A Active CN105420579B (en) | 2015-12-11 | 2015-12-11 | A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105420579B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821273B (en) * | 2016-05-31 | 2017-09-01 | 南昌航空大学 | A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof |
| CN106555094A (en) * | 2016-11-24 | 2017-04-05 | 苏州华意铭铄激光科技有限公司 | A kind of Aero-Space high temperature composite structural member |
| CN106756378B (en) * | 2016-12-17 | 2018-10-26 | 重庆材料研究院有限公司 | A kind of high temperature resistant Flouride-resistani acid phesphatase nuclear field alloy and preparation method and purposes |
| CN114855054A (en) * | 2022-05-13 | 2022-08-05 | 赵克中 | Molybdenum-zirconium-based alloy material and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0347942A (en) * | 1989-07-14 | 1991-02-28 | Tokyo Tungsten Co Ltd | Sintered body of high hardness tungsten-molybdenum alloy |
| CN101575678B (en) * | 2009-06-15 | 2010-12-08 | 西安华山钨制品有限公司 | Manufacturing technique of tungsten alloy for improving mechanical property of high-density tungsten alloy |
| CN105018814B (en) * | 2014-08-21 | 2017-05-24 | 江苏北钨新材料科技有限公司 | Tungsten-molybdenum alloy and preparation method thereof |
| CN104388789B (en) * | 2014-10-17 | 2017-02-15 | 中国科学院合肥物质科学研究院 | Nanostructure tungsten-zirconium carbide alloy and preparation method thereof |
-
2015
- 2015-12-11 CN CN201510925311.3A patent/CN105420579B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105420579A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105420579B (en) | A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof | |
| CN105714139B (en) | Copper-graphite alkene composite material and preparation method thereof | |
| EP1774566B1 (en) | Mercury dispensing compositions and manufacturing process thereof | |
| CN108570569B (en) | Internal nitriding preparation method of aluminum nitride dispersion strengthened copper composite material | |
| CN105821359A (en) | Heat-treatment technology of high-plasticity nickel base alloy | |
| CN110229986B (en) | Rare earth tungsten-molybdenum alloy for electrode and preparation method thereof | |
| TWI545214B (en) | Tungsten target manufacturing method | |
| JP2006207007A (en) | Method for producing tungsten alloy and the tungsten alloy | |
| CN106133161A (en) | Parts that the nickel alloy of precipitation-hardening, described alloy are made and manufacture method thereof | |
| CN107151755B (en) | A method of preparing the high-entropy alloy of close-packed hexagonal structure | |
| CN105821273B (en) | A kind of high temperature resistant tungsten-molybdenum alloy and preparation method thereof | |
| CN114425624A (en) | Method for improving comprehensive performance of additive manufacturing nickel-based superalloy and nickel-based superalloy powder | |
| CN105479037B (en) | A kind of nickel-based boron-free solder and preparation method thereof | |
| CN104233103A (en) | Silicon-carbide-reinforced iron-chromium-aluminum electric heating composite material and preparation method thereof | |
| CN104878240B (en) | Add the TiB in situ of rare earth La2Strengthen Cu-base composites | |
| CN114635056B (en) | High-temperature high-strength titanium alloy and additive preparation method thereof | |
| CN108291776A (en) | The method for being heat-treated the preform prepared by titanium alloy powder | |
| CN103658662A (en) | Process for preparing metal laminar composite materials not capable of being fused in solid state through powder sintering infiltration method | |
| KR20200088142A (en) | Method for preparing metal powders or its alloys powders | |
| CN107910273B (en) | Method for sintering LTCC substrate | |
| CN110804710B (en) | Mo-Tb-Dy alloy material and preparation method thereof | |
| KR20160002673A (en) | High-purity copper-cobalt alloy sputtering target | |
| JP6095562B2 (en) | Copper alloy material, distribution member for electric vehicle and distribution member for hybrid vehicle | |
| JP2013185165A (en) | Heat treatment method for maraging steel | |
| CN113737038B (en) | High-toughness Ti-rich nanoparticle reinforced CuAl-based composite material and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230815 Address after: No. 9-3-401, No. 39, Gaoxin 6th Road, Binhai Science and Technology Park, Binhai New Area, Tianjin, 300462 Patentee after: Tianjin Chengtian New Energy Co.,Ltd. Address before: 300300 Economic Development Center of Wuxian Street, Dongli District, Tianjin (Room 330, West of Laoyuan Warehouse, Erdaozha South, Wuxian Street, Tianjin) Patentee before: TIANJIN AITIAN AUTO PARTS Co.,Ltd. |
|
| TR01 | Transfer of patent right |