CN109518053B - A kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod and its production technology - Google Patents
A kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod and its production technology Download PDFInfo
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- CN109518053B CN109518053B CN201811454324.7A CN201811454324A CN109518053B CN 109518053 B CN109518053 B CN 109518053B CN 201811454324 A CN201811454324 A CN 201811454324A CN 109518053 B CN109518053 B CN 109518053B
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- molybdenum
- guide rod
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- rhenium
- lanthanum
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- IHRDZLVQZUBECH-UHFFFAOYSA-N [La].[Re].[Mo] Chemical compound [La].[Re].[Mo] IHRDZLVQZUBECH-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910002058 ternary alloy Inorganic materials 0.000 title claims abstract description 9
- 238000005516 engineering process Methods 0.000 title claims description 10
- 239000000956 alloy Substances 0.000 claims abstract description 47
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 38
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000011733 molybdenum Substances 0.000 claims abstract description 23
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 23
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 20
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 15
- 238000007689 inspection Methods 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 8
- 230000000996 additive effect Effects 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 15
- QXYJCZRRLLQGCR-UHFFFAOYSA-N dioxomolybdenum Chemical compound O=[Mo]=O QXYJCZRRLLQGCR-UHFFFAOYSA-N 0.000 claims description 14
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 12
- 238000006722 reduction reaction Methods 0.000 claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005491 wire drawing Methods 0.000 claims description 7
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 6
- 229940010552 ammonium molybdate Drugs 0.000 claims description 6
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 6
- 239000011609 ammonium molybdate Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 229910000858 La alloy Inorganic materials 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 4
- 229910000510 noble metal Inorganic materials 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 2
- 150000002910 rare earth metals Chemical class 0.000 abstract description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 3
- 229910000691 Re alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- 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
Abstract
The present invention discloses a kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod, belongs to field of alloy material, and the alloy material for preparing the guide rod includes following parts by weight of component: 1~2 part of rhenium, 1~2 part of lanthanum, and 90~100 parts of molybdenum；The purity of the molybdenum is higher than 99.99%.The present invention is by carrying out ternary optimization to molybdenum-rhenium lanthanum alloy, and 1~2 part of rhenium, 1~2 part of lanthanum, surplus is molybdenum, is substantially increased alloy property, while noble metal rhenium element and the control of rare earth lanthanum element additive amount are stringent, rationally control the production cost of alloy；It is substantially less than similar product using the eddy current inspection knick point number of micro-wave oven magnetic control guide rod made of alloy of the present invention, strength range is less than similar product, and the service life improves, and improves the qualification rate of product.
Description
Technical field
The present invention relates to one kind to belong to field of alloy material, and in particular to one kind is applied to lead needed for micro-wave oven magnetic control coil
The production technology of bar.
Background technique
Molybdenum-rhenium lanthanum alloy plays the role of improving the plasticity of molybdenum and improves the intensity of molybdenum and promote high temperature creep property.Usual molybdenum
It is divided into low rhenium (2%-5%) molybdenum alloy and high rhenium (11%-50%) molybdenum alloy by rhenium content in rhenium alloys.In CN106756157A
A kind of preparation method of molybdenum-rhenium lanthanum alloy material is disclosed, and is referred to by mass percentage in molybdenum-rhenium lanthanum alloy material,
Rhenium is 1.0%-5.0%, lanthanum 0.02%-2%, surplus are molybdenum, which also belongs to low rhenium range.Low Re Mo alloy is recognized
It is unobvious for reinforcing edge of the rhenium to Mo substrate.
That there are knick point numbers is more, strength range is wide, the service life is not long, qualification rate is low for the magnetic control guide rod used in micro-wave oven at present
The problem of, it is therefore desirable to it is improved.
Summary of the invention
Goal of the invention: present invention aims in view of the deficiencies of the prior art, provide a kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy
The manufactured guide rod applied to micro-wave oven magnetic control；
Another object of the present invention is to provide the production technologies of above-mentioned guide rod.
Technical solution: high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod of the present invention, the alloy material for preparing the guide rod includes such as
Lower parts by weight of component: 1~2 part of rhenium, 1~2 part of lanthanum, 90~100 parts of molybdenum；Wherein the purity of molybdenum is higher than 99.99%.
Further preferably technical solution is the present invention, and the rhenium is restored by rehenic acid ammonium and is made, the additive amount root of rehenic acid ammonium
It is determined according to the listed as parts by weight of rhenium.
Preferably, the lanthanum is restored by lanthanum nitrate and is made, and the additive amount of lanthanum nitrate is determined according to the listed as parts by weight of lanthanum.
Preferably, the molybdenum is restored by ammonium molybdate and is made, and the additive amount of ammonium molybdate is determined according to the listed as parts by weight of molybdenum.
The production technology of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod of the present invention, includes the following steps:
(1) it prepares molybdenum powder: will be roasted at a temperature of 660 DEG C~700 DEG C as the ammonium molybdate of molybdenum source, obtain three oxidations
Molybdenum then carries out a reduction reaction at a temperature of 890 DEG C~910 DEG C and molybdenum trioxide is reduced to molybdenum dioxide, then at 910 DEG C
Secondary reduction reaction is carried out at a temperature of~930 DEG C, molybdenum dioxide is reduced to molybdenum, obtain molybdenum powder；
(2) it prepares alloyed powder: being adulterated using wet process, rehenic acid ammonium of the addition as rhenium source in the molybdenum powder that step (1) obtains
It with the lanthanum nitrate as lanthanum source, is uniformly mixed and obtains mixed powder, the additive amount of rehenic acid ammonium and lanthanum nitrate is according to the weight of rhenium and lanthanum
Part, which calculates, to be determined, reduction reaction three times is then carried out at a temperature of 910 DEG C~930 DEG C and obtains alloyed powder；
(3) alloy powder sintering be straightened: by under the re-compacted pressure 160Mpa~180Mpa of alloyed powder obtained in step (2) into
The compacting of luggage powder, obtains alloy bar, alloy bar is then carried out Median frequency sintering at a temperature of 2000 DEG C~2400 DEG C, and keep the temperature 1
~4 hours, then be straightened at a temperature of 1100 DEG C~1300 DEG C spare；
(4) it suppresses guide rod: the alloy bar of alignment being subjected to pressure processing in a mold, compress alloy bar diameter, and will close
Golden stick wire drawing obtains finished product guide rod；
(5) it examines guide rod: to product inspection, rejecting unqualified finished product.
Preferably, the compacting guide rod process of step (4) is divided into swage part and drawing portion:
A, using mold, the alloy bar through being straightened is subjected to pressure processing with defined compression ratio at a certain temperature, is obtained
The alloy bar to become smaller to diameter replaces small level-one mold after the completion and further compresses alloy bar diameter；
B, the mold for continuing to replace small level-one carries out wire drawing to alloy bar, after the completion while compressing alloy bar diameter
It replaces small level-one mold and further compresses alloy bar diameter and wire drawing.
Preferably, temperature determines that temperature change and alloy bar diameter are proportional according to the diameter of alloy bar when suppressing guide rod.
Preferably, it includes after-combustion, flaw detection, surface inspection, string diameter inspection and strength checking that guide rod is examined in step (5).
The utility model has the advantages that the present invention is by carrying out ternary optimization, 1~2 part of rhenium, 1~2 part of lanthanum to molybdenum-rhenium lanthanum alloy, surplus is
Molybdenum is substantially increased alloy property, while noble metal rhenium element and the control of rare earth lanthanum element additive amount are stringent, rationally control alloy
Production cost；Similar production is substantially less than using the eddy current inspection knick point number of micro-wave oven magnetic control guide rod made of alloy of the present invention
Product, strength range are less than similar product, and the service life improves, and improves the qualification rate of product.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
Embodiment: the component of alloy material is less, and changes of contents is smaller, and the present invention only carries out specifically through this embodiment
Bright, verified change of component and temperature change influence to ignore compared to existing guide rod on guide rod performance.
A kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod, the alloy material for preparing the guide rod includes following parts by weight of component: rhenium 1
~2 parts, 1~2 part of lanthanum, 90~100 parts of molybdenum.
The production technology of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod, includes the following steps:
(1) it prepares molybdenum powder: the ammonium molybdate as molybdenum source is roasted, obtain molybdenum trioxide, then once restored
Molybdenum trioxide is reduced to molybdenum dioxide by reaction, then carries out secondary reduction reaction and molybdenum dioxide is reduced to molybdenum, obtains molybdenum powder, molybdenum
Purity be higher than 99.99%, such as table 1:
| Process | Supplied materials | Reduction temperature DEG C | Boat charge g |
| Roasting | Ammonium molybdate | 680 | 500 |
| Primary reduction | Molybdenum trioxide | 900 | 400 |
| Secondary reduction | Molybdenum dioxide | 920 | 250 |
(2) it prepares alloyed powder: being adulterated using wet process, rehenic acid ammonium of the addition as rhenium source in the molybdenum powder that step (1) obtains
It with the lanthanum nitrate as lanthanum source, is uniformly mixed and obtains mixed powder, the additive amount of rehenic acid ammonium and lanthanum nitrate is according to the weight of rhenium and lanthanum
Part, which calculates, to be determined, is then carried out reduction reaction three times and is obtained alloyed powder, such as table 2:
(3) alloy powder sintering is straightened: alloyed powder obtained in step (2) being carried out dress powder compacting, obtains alloy bar, then
Alloy bar is subjected to Median frequency sintering, and keeps the temperature 4 hours, then carry out being straightened it is spare, such as table 3:
(4) it suppresses guide rod: the alloy bar of alignment being subjected to pressure processing in a mold, compress alloy bar diameter, and will close
Golden stick wire drawing obtains finished product guide rod, such as table 4:
(5) it examines guide rod: to product inspection, including after-combustion, flaw detection, surface inspection, string diameter inspection and strength checking, rejecting
Unqualified finished product.
Eddy current inspection knick point number with the guide rod of the present embodiment production is every kilogram and is less than 2, and similar product is then few
In 10, the guide rod performance of the present embodiment production is more excellent.The guide rod intensity of the present embodiment production is in 1000N-1050N, together
Class product strength is generally 950N-1100N, and the guide rod strength range of the present embodiment production is smaller, is suitable for more preferable.It is testing
Afterwards, the service life of the guide rod of the present embodiment production improves 20%, and qualification rate is increased to 95% or more.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (4)
1. a kind of production technology of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod, the alloy material of the guide rod includes following parts by weight group
Point: 1 ~ 2 part of rhenium, 1 ~ 2 part of lanthanum, 90 ~ 100 parts of molybdenum；Wherein the purity of molybdenum is higher than 99.99%；
It is characterized by comprising the following steps:
(1) it prepares molybdenum powder: will be roasted at a temperature of 660 DEG C ~ 700 DEG C as the ammonium molybdate of molybdenum source, obtain molybdenum trioxide, connect
Carry out a reduction reaction at a temperature of 890 DEG C ~ 910 DEG C molybdenum trioxide be reduced to molybdenum dioxide, then at 910 DEG C ~ 930 DEG C
At a temperature of carry out secondary reduction reaction molybdenum dioxide be reduced to molybdenum, obtain molybdenum powder；
(2) it prepares alloyed powder: being adulterated using wet process, rehenic acid ammonium and work of the addition as rhenium source in the molybdenum powder that step (1) obtains
It for the lanthanum nitrate in lanthanum source, is uniformly mixed and obtains mixed powder, the additive amount of rehenic acid ammonium and lanthanum nitrate is according to the parts by weight meter of rhenium and lanthanum
It calculates and determines, reduction reaction three times is then carried out at a temperature of 910 DEG C ~ 930 DEG C and obtains alloyed powder；
(3) alloy powder sintering is straightened: alloyed powder obtained in step (2) is carried out at pressing pressure 160 Mpa ~ 180 Mpa
Powder compacting is filled, alloy bar is obtained, alloy bar is then subjected to Median frequency sintering at a temperature of 2000 DEG C ~ 2400 DEG C, and it is small to keep the temperature 1 ~ 4
When, then be straightened at a temperature of 1100 DEG C ~ 1300 DEG C spare；
(4) it suppresses guide rod: the alloy bar of alignment being subjected to pressure processing in a mold, compress alloy bar diameter, and by alloy bar
Wire drawing obtains finished product guide rod；
(5) it examines guide rod: to product inspection, rejecting unqualified finished product.
2. production technology according to claim 1, which is characterized in that the compacting guide rod process of step (4) is divided into the portion of swaging
Point and drawing portion:
A, using mold, the alloy bar through being straightened is subjected to pressure processing with defined compression ratio at a certain temperature, is obtained straight
The alloy bar that diameter becomes smaller replaces small level-one mold after the completion and further compresses alloy bar diameter；
B, the mold for continuing to replace small level-one carries out wire drawing to alloy bar, replaces after the completion while compressing alloy bar diameter
Small level-one mold further compresses alloy bar diameter and wire drawing.
3. production technology according to claim 2, which is characterized in that temperature is true according to the diameter of alloy bar when compacting guide rod
Fixed, temperature change and alloy bar diameter are proportional.
4. production technology according to claim 1, which is characterized in that examine in step (5) guide rod include after-combustion, flaw detection,
Surface inspection, string diameter inspection and strength checking.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454324.7A CN109518053B (en) | 2018-11-30 | 2018-11-30 | A kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod and its production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454324.7A CN109518053B (en) | 2018-11-30 | 2018-11-30 | A kind of high-purity molybdenum-rhenium lanthanum ternary alloy three-partalloy guide rod and its production technology |
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| CN109518053B true CN109518053B (en) | 2019-09-24 |
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| CN110846544A (en) * | 2019-11-25 | 2020-02-28 | 江苏峰峰钨钼制品股份有限公司 | Rhenium-aluminum-potassium-molybdenum alloy rod for electrode for illumination and preparation method thereof |
| CN114433862B (en) * | 2022-02-10 | 2022-10-14 | 西安交通大学 | Molybdenum-rhenium-lanthanum prealloyed powder and preparation method thereof |
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