CN107252889A - A kind of preparation method of titanium alloy large-sized casting ingot consutrode - Google Patents
A kind of preparation method of titanium alloy large-sized casting ingot consutrode Download PDFInfo
- Publication number
- CN107252889A CN107252889A CN201710395368.6A CN201710395368A CN107252889A CN 107252889 A CN107252889 A CN 107252889A CN 201710395368 A CN201710395368 A CN 201710395368A CN 107252889 A CN107252889 A CN 107252889A
- Authority
- CN
- China
- Prior art keywords
- consutrode
- titanium alloy
- preparation
- mold cavity
- casting ingot
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/20—Arc remelting
-
- 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
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
Abstract
The invention discloses a kind of preparation method of titanium alloy large-sized casting ingot consutrode, using mold cavity, auxiliary stand is placed with mold cavity, mold cavity inner space is divided into N number of lattice by auxiliary stand to be kept off；Titanium sponge, commercial-purity aluminium, intermediate alloy are raw material, carry out dispensing, weighing according to the nominal composition of titanium alloy to be prepared, and obtained mixed material is poured into N number of lattice gear respectively；Auxiliary stand is taken out from mold cavity；Mixed material in mold cavity is disposably pressed into by big substance electrode block using the vertical compacting of short stroke；Step 1 is repeated to step 3, multiple big substance electrode blocks are obtained, and is consutrode by obtained multiple big substance electrode block group welderings；The present invention reduces the solder joint of follow-up consutrode, reduction fusion process in occur because failure welding cause to fall bullet the problem of.
Description
【Technical field】
The invention belongs to titanium alloy smelting technical field, and in particular to a kind of preparation of titanium alloy large-sized casting ingot consutrode
Method.
【Background technology】
Vacuum consumable smelting is a kind of conventional method of smelting of titanium or titanium alloy.According to the spy of vacuum consumable smelting technique
Point, alloy raw material in the presence of heavy current, is fusing into crucible, solution is from bottom to top in crystallizer section by section as consutrode
Continuously ingot casting is condensed into (crucible).When liquid metal in the form of molten drop by arc zone into crystallizer transition, holding,
In process of setting, occur a series of physical chemistry side and answer, refined metal, reach purification metal, improve crystalline texture, carry
High performance purpose.Vacuum consumable smelting is easy to operate, and the uniform large-sized casting ingot of composition can be obtained by repeated revert-melt.
The necessary previously prepared consutrode of vacuum consumable smelting, consutrode is in low-voltage, the direct current camber of high current
Under temperature effect, rapid fusing simultaneously solidifies in water cooling Cu crystallizer.It is the characteristics of consutrode will meet fusion process, molten at other
In the case of sweetening process parameter is metastable, its distributing mode directly influences the uniformity of ingot casting composition, that is, must assure that electricity
The composition uniformity of pole cross section.
The compacting of single-piece electrode can be divided into vertical pressure and horizontal pressure.The length direction of group postwelding consutrode is consistent with pressing direction
For vertical pressure, be horizontal pressure if vertical.In production practices, can suitably it be pressed according to the ability of press and the size selection of electrode block
Mode processed.The electrode block of smaller substance founds pressure frequently with horizontal pressure, then using for larger substance.
2-3 tons of large-sized casting ingot is prepared, the weight of single electrode block is more than 100Kg.If directly disposable compacting, batch mixing
Inhomogeneities increase, i.e. the uniformity of cloth is difficult to ensure card.Electrode block volume is larger simultaneously, and pressed density is unequal.Central part
Position is not delivered to due to press power, more loosely, easily chip off-falling occurs in fusion process, causes that material structure is uneven, segregation
Etc. defect.Therefore, the electrode block of large-sized casting ingot, is suppressed frequently with piecemeal, the method for organizing weldering.The shortcoming so operated be solder joint compared with
It is many, if weld failure, there is the risk for falling bullet in fusion process.Operating efficiency is relatively low simultaneously, when especially substance is larger, asks
Topic is more prominent.
【The content of the invention】
It is an object of the invention to provide a kind of preparation method of titanium alloy large-sized casting ingot consutrode, to reduce follow-up consumable
Occur in the solder joint of electrode, reduction fusion process because failure welding cause to fall bullet the problem of.
The present invention uses following technical scheme, a kind of preparation method of titanium alloy large-sized casting ingot consutrode, the preparation side
Used in method and auxiliary stand is placed with mold cavity, mold cavity, auxiliary stand is used to mold cavity inner space being divided into
N number of lattice gear of horizontal arrangement, wherein N >=2 are positive integer, specifically using following steps：
Step 1, using 0 grade or 1 grade of titanium sponge, commercial-purity aluminium, intermediate alloy as raw material, according to the name of titanium alloy to be prepared
Composition carries out n times dispensing, weighing, and obtained mixed material is poured into N number of lattice gear respectively；
Step 2, auxiliary stand taken out from mold cavity；
Step 3, the mixed material in mold cavity is disposably pressed into by big substance electrode using the vertical compacting of short stroke
Block；
Step 4, step 1 is repeated to step 3, obtain multiple big substance electrode blocks, and by obtained multiple big substances
The weldering of electrode block group is consutrode.
Further, auxiliary stand includes the support plate of multiple vertical and settings that intersect, and the material of each support plate is
Pure titanium or Titanium alloy Ti-6Al-4V.
Further, auxiliary stand includes alternate on the barrel-shaped dividing plate of both ends open, barrel-shaped bulkhead sides outer wall be provided with
Multiple support plates, each support plate is consistent for the radial direction vertically to and with barrel-shaped dividing plate.
Further, the vertical section of each support plate of auxiliary stand is：Top is rectangle, and the thickness of bottom gradually subtracts
It is small wedge shaped.
Further, in the electrode block obtained in step 3, the length on its pressing direction is less than on vertical pressing direction
Length.
Further, electrode block substance is 100-150Kg in step 3.
Further, press selects 3500T hydraulic presses.
The beneficial effects of the invention are as follows：The present invention is by disposably suppressing the preferable substance of uniformity more than 100Kg electrodes
Block, the method for organizing weldering again is suppressed compared to piecemeal, operating efficiency is improved, reduces the solder joint of follow-up consutrode, reduce molten
Occur during refining because failure welding causes to fall the risk of bullet, be advantageously implemented the large titanium alloy ingot casting having good uniformity, it is auxiliary
Help the use of support that material is divided into several pieces in advance, be conducive to the uniformity of electrode cloth, be that follow-up melting obtains uniformity
Good large-sized casting ingot lays the foundation.
【Brief description of the drawings】
Fig. 1 be the embodiment of the present invention 1 in cross auxiliary stand by mold cavity be divided into quarter and supporting plate along its
The structural representation in length direction section；
Fig. 2 is that mold cavity is divided into six etc. by middle circular, the outside diverging auxiliary stand in the embodiment of the present invention 2
Part and supporting plate section along its length structural representation.
Wherein：1. auxiliary stand；2. mold cavity.
【Embodiment】
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The invention discloses a kind of preparation method of titanium alloy large-sized casting ingot consutrode, using there is mould in the preparation method
Have and auxiliary stand 1 has been pre-placed in die cavity 2, mold cavity 2, auxiliary stand 1 is used to the inner space of mold cavity 2 being divided into water
N number of lattice gear of flat raft cloth, wherein N is the positive integer more than or equal to 2, and the inner space of each lattice gear, which is used to accommodate, mixes former
Material.
In actual use, auxiliary stand 1 is according to the substance of electrode block, the specific requirement of dispensing element, mold cavity 2
The existence conditionses such as specification design different structures, divide different lattice gear number amounts, are conducive to the uniformity of electrode cloth, are follow-up
The large-sized casting ingot that melting is had good uniformity lays the foundation.The inner space size of each lattice gear is not required, still, only
Have when the volume that each lattice keep off inner space is identical, the uniformity of the consutrode finally drawn is best.
In addition, auxiliary stand 1 includes the support plate of multiple vertical and settings that intersect, in order to adapt to the frock bar of titanium
Part, the material of each support plate elects pure titanium or Titanium alloy Ti-6Al-4V as.As shown in figure 1, auxiliary stand 1 is from mould for convenience
Have in die cavity and take out, adhesion material, the Cross section Design of each support plate of auxiliary stand 1 along its length is into wide at the top and narrow at the bottom
The vertical section of each support plate of plagiohedral, i.e. auxiliary stand is：Top is that rectangle, thickness are uniform, and bottom thickness gradually
Reduce wedge shaped.
As shown in Fig. 2 auxiliary stand 1 includes alternate setting on the barrel-shaped dividing plate of both ends open, barrel-shaped bulkhead sides outer wall
There are multiple support plates, each support plate is consistent for the radial direction vertically to and with barrel-shaped dividing plate, that is, forms another of auxiliary stand 1
Structure type.
Specifically use following steps：
Step 1, using 0 grade or 1 grade of titanium sponge, commercial-purity aluminium, intermediate alloy as raw material, according to the name of titanium alloy to be prepared
Composition carries out n times dispensing, weighing, and obtained mixed material is poured into N number of lattice gear respectively.
Step 2, auxiliary stand 1 is loosened, in lattice shelves are not influenceed in the case of original cloth, by auxiliary stand 1 from mould
Taken out in die cavity 2, the method for taking-up can use artificial or machinery, specifically chosen according to actual conditions.
Step 3, big substance using the vertical mixed material by mold cavity 2 of short stroke is disposably pressed into by press
Electrode block, the electrode block substance each suppressed is all higher than or equal to 100Kg, it is preferred that the electrode block weight each suppressed is 100
~150Kg, press selects 3500T hydraulic presses.
The vertical compacting of short stroke refers to that the height that press top mold frame is lifted is as far as possible small, and the size of vertical pressing direction is electrode
Block-shaped minimum dimension, the height of electrode block is less than the length of diameter, i.e. electrode block on vertical pressing direction and is less than electrode
Length of the block on vertical vertical pressing direction, is so conducive to the uniformity of electrode block compacted density.
Step 4, after the completion of the compacting of first electrode block, repeat step 1 to step 3, obtain multiple big substances electricity
Pole block, and be a consutrode by the weldering of obtained multiple electrodes block group according to actual conditions.In practical application, weldering can be organized many
Individual consutrode, carries out follow-up vacuum consumable smelting successively.
The preparation method of the Φ 380-100Kg consumable smelting electrode blocks of embodiment 1TC20 (Ti-6Al-7Nb) alloy：It is former
0 grade of titanium sponge of material selection, NbTi intermediate alloys, technical pure aluminium shot, name proportioning is according to Ti-6.2%Al-7.0%Nb
(wt%).Cross auxiliary stand is pre-placed in Φ 380 mold cavity, die cavity is divided into quarter.25Kg is pressed respectively
Weight batching, weighing four times, pour into four lattice shelves.Loosen and take out after support, be disposably pressed into Φ 380-100Kg's
TC20 titanium alloy electrode blocks.The big substance electrode block thickness about 300mm being pressed into.30 electrode blocks are prepared altogether, and group weldering is 4 consumables
Electrode.It is follow-up to pass through vacuum consumable smelting 3 times, obtain Φ 620-3000Kg ingot castings.
And in the prior art, if desired melting Φ 620-3000Kg ingot castings, generally using being suppressed frequently with piecemeal, are suppressed
Each electrode block be 25Kg, be consutrode by the weldering of multiple 25Kg electrode block group, it is follow-up to obtain Φ by vacuum melting
620-3000Kg ingot castings.For comparing, the shortcoming so operated is that solder joint is more, just has larger probability and welding mistake occurs
Effect.Operating efficiency is relatively low simultaneously, and problem is more prominent.
The drawing method of the Φ 460-150Kg consumable smelting electrode blocks of embodiment 2TC4 (Ti-6Al-4V) alloy：Former material
Material selects 0 grade or 1 grade of titanium sponge, AlV55 intermediate alloys, technical pure aluminium shot, and name proportioning is according to Ti-6.2%Al-4.2%V
(wt%).Middle circle is pre-placed in Φ 460 mold cavity, die cavity is divided into six etc. by external emission shape auxiliary stand
Part.Respectively by 25Kg weight batching, weighing six times, pour into six lattice shelves.Loosen and take out after support, be disposably pressed into Φ
460-150Kg TC4 titanium alloy electrode blocks.The big substance electrode block thickness about 280mm being pressed into.20 electrode blocks, group are prepared altogether
Weld as 2 consutrodes.It is follow-up to pass through vacuum consumable smelting 2 times, obtain Φ 620-3000Kg ingot castings.
Binder auxiliary stand 1 can be according to the substance of electrode block, the requirement of raw material and dispensing, the rule of mold cavity 2
The different structure of the condition designs such as lattice, it is not limited to the structure type mentioned in the present invention.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention.Though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.
Claims (7)
1. a kind of preparation method of titanium alloy large-sized casting ingot consutrode, it is characterised in that mould type is used in the preparation method
Auxiliary stand (1) is placed with chamber (2), the mold cavity (2), the auxiliary stand (1) is used for mold cavity (2) is internal
Space is divided into N number of lattice gear of horizontal arrangement, and wherein N >=2 are positive integer, specifically using following steps：
Step 1, using 0 grade or 1 grade of titanium sponge, commercial-purity aluminium, intermediate alloy as raw material, according to the nominal composition of titanium alloy to be prepared
N times dispensing, weighing are carried out, and obtained mixed material is poured into N number of lattice gear respectively；
Step 2, the taking-up from mold cavity (2) by the auxiliary stand (1)；
Step 3, the mixed material in mold cavity (2) is disposably pressed into by big substance electrode using the vertical compacting of short stroke
Block；
Step 4, step 1 is repeated to step 3, obtain multiple big substance electrode blocks, and by obtained multiple big substance electrodes
The weldering of block group is consutrode.
2. the preparation method of titanium alloy large-sized casting ingot consutrode as claimed in claim 1, it is characterised in that the auxiliary branch
Frame (1) includes the support plate of multiple vertical and settings that intersect, and the material of each support plate is pure titanium or titanium alloy T i-
6Al-4V。
3. the preparation method of titanium alloy large-sized casting ingot consutrode as claimed in claim 1, it is characterised in that the auxiliary branch
Frame (1) includes alternate on the barrel-shaped dividing plate of both ends open, the barrel-shaped bulkhead sides outer wall being provided with multiple support plates, described each
Plate is consistent for the radial direction vertically to and with barrel-shaped dividing plate.
4. the preparation method of titanium alloy large-sized casting ingot consutrode as claimed in claim 2 or claim 3, it is characterised in that described auxiliary
The vertical section for helping each support plate of support (1) is：Top is rectangle, and bottom thickness be gradually reduced it is wedge shaped.
5. the preparation method of the titanium alloy large-sized casting ingot consutrode as described in claim 1 or 2 or 3, it is characterised in that step
In the electrode block obtained in 3, the length on its pressing direction is less than the length on vertical pressing direction.
6. the preparation method of the titanium alloy large-sized casting ingot consutrode as described in claim 1 or 2 or 3, it is characterised in that step
Electrode block substance described in 3 is 100-150Kg.
7. the preparation method of the titanium alloy large-sized casting ingot consutrode as described in claim 1 or 2 or 3, it is characterised in that described
Press selects 3500T hydraulic presses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710395368.6A CN107252889B (en) | 2017-05-26 | 2017-05-26 | A kind of preparation method of titanium alloy large-sized casting ingot consutrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710395368.6A CN107252889B (en) | 2017-05-26 | 2017-05-26 | A kind of preparation method of titanium alloy large-sized casting ingot consutrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107252889A true CN107252889A (en) | 2017-10-17 |
| CN107252889B CN107252889B (en) | 2018-11-13 |
Family
ID=60027495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710395368.6A Active CN107252889B (en) | 2017-05-26 | 2017-05-26 | A kind of preparation method of titanium alloy large-sized casting ingot consutrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107252889B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053843A (en) * | 2020-08-17 | 2020-12-08 | 包头韵升强磁材料有限公司 | Forming and mould pressing method for large-size sintered neodymium iron boron blank |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS619529A (en) * | 1984-06-22 | 1986-01-17 | Toho Titanium Co Ltd | Consuming electrode for melting nb and ti alloy |
| US4612040A (en) * | 1984-05-29 | 1986-09-16 | Toho Titanium Co., Ltd. | Consumable electrode for production of Nb-Ti alloys |
| CN101033512A (en) * | 2006-03-07 | 2007-09-12 | 西安赛特金属材料开发有限公司 | Method of producing electrode for titanium alloy vacuum consumable smelting directly added with high melting metal |
| CN101476050A (en) * | 2008-11-21 | 2009-07-08 | 宝鸡钛业股份有限公司 | Preparation of Ti-6Al-4V titanium alloy large-sized casting ingot |
| CN101597705A (en) * | 2009-05-26 | 2009-12-09 | 宝鸡钛业股份有限公司 | The production method of the above big specification zirconium ingot of a kind of Ф 600mm |
| EP2295609A1 (en) * | 2009-09-15 | 2011-03-16 | United Technologies Corporation | Direct extrusion of shapes with L12 aluminum alloys |
| CN101994015A (en) * | 2009-08-27 | 2011-03-30 | 宝鸡力兴钛业有限公司 | Fusion casting method of large-size high-performance titanium and titanium alloy ingot |
| CN103215459A (en) * | 2013-04-27 | 2013-07-24 | 西安赛特金属材料开发有限公司 | Preparation method of low-carbon and low-oxygen titanium-nickel alloy large ingot |
| CN105018741A (en) * | 2015-07-31 | 2015-11-04 | 西安西工大超晶科技发展有限责任公司 | Method for preparing homogenized Ti2AlNb alloy cast ingot |
| CN105057661A (en) * | 2015-08-28 | 2015-11-18 | 西北有色金属研究院 | Preparation method for high-Ta-content Ti-Ta alloy consumable electrode |
-
2017
- 2017-05-26 CN CN201710395368.6A patent/CN107252889B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612040A (en) * | 1984-05-29 | 1986-09-16 | Toho Titanium Co., Ltd. | Consumable electrode for production of Nb-Ti alloys |
| JPS619529A (en) * | 1984-06-22 | 1986-01-17 | Toho Titanium Co Ltd | Consuming electrode for melting nb and ti alloy |
| CN101033512A (en) * | 2006-03-07 | 2007-09-12 | 西安赛特金属材料开发有限公司 | Method of producing electrode for titanium alloy vacuum consumable smelting directly added with high melting metal |
| CN101476050A (en) * | 2008-11-21 | 2009-07-08 | 宝鸡钛业股份有限公司 | Preparation of Ti-6Al-4V titanium alloy large-sized casting ingot |
| CN101597705A (en) * | 2009-05-26 | 2009-12-09 | 宝鸡钛业股份有限公司 | The production method of the above big specification zirconium ingot of a kind of Ф 600mm |
| CN101994015A (en) * | 2009-08-27 | 2011-03-30 | 宝鸡力兴钛业有限公司 | Fusion casting method of large-size high-performance titanium and titanium alloy ingot |
| EP2295609A1 (en) * | 2009-09-15 | 2011-03-16 | United Technologies Corporation | Direct extrusion of shapes with L12 aluminum alloys |
| CN103215459A (en) * | 2013-04-27 | 2013-07-24 | 西安赛特金属材料开发有限公司 | Preparation method of low-carbon and low-oxygen titanium-nickel alloy large ingot |
| CN105018741A (en) * | 2015-07-31 | 2015-11-04 | 西安西工大超晶科技发展有限责任公司 | Method for preparing homogenized Ti2AlNb alloy cast ingot |
| CN105057661A (en) * | 2015-08-28 | 2015-11-18 | 西北有色金属研究院 | Preparation method for high-Ta-content Ti-Ta alloy consumable electrode |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112053843A (en) * | 2020-08-17 | 2020-12-08 | 包头韵升强磁材料有限公司 | Forming and mould pressing method for large-size sintered neodymium iron boron blank |
| CN112053843B (en) * | 2020-08-17 | 2022-04-29 | 包头韵升强磁材料有限公司 | Forming and mould pressing method for large-size sintered neodymium iron boron blank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107252889B (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104745872B (en) | A kind of high-temperature titanium alloy being applicable to use at a temperature of 650 DEG C | |
| CN107675008B (en) | A kind of preparation method of the big specification TC4 titan alloy casting ingots of low gap | |
| CN108277370B (en) | A kind of TC4 titanium alloy large size slab and the preparation method and application thereof | |
| CN107177753A (en) | A kind of method for controlling big specification TC4 DT titan alloy casting ingot solidified structures | |
| CN110144472B (en) | Vacuum induction melting method of manganese-copper vibration-damping alloy | |
| CN102912186A (en) | Method for preparing TC4 titanium alloy ingot casting through electron beam cold bed hearth smelting | |
| CN104278167B (en) | Manufacturing method of high-quality titanium-aluminum alloy target | |
| CN104313363A (en) | Smelting method for titanium-niobium alloy ingot | |
| CN107686902A (en) | A kind of nuclear grade zirconium alloy cast ingot preparation method | |
| CN101469370A (en) | Method for manufacturing large-sized high purity 12Cr% low-ilicon low-aluminum electroslag remelting steel ingot | |
| CN107245606B (en) | A kind of preparation method of Ti-Ni alloy large-scale casting ingot | |
| CN115747538A (en) | Method for smelting large-size nickel-titanium alloy ingot with high uniformity and low gap | |
| CN107217164B (en) | A kind of preparation method of titanium alloy large-sized homogeneous ingot casting | |
| CN107674989A (en) | A kind of overall preparation method of electrode for titanium alloy vacuum consumable smelting | |
| CN113005314A (en) | Preparation method of high-uniformity NbTi alloy ingot | |
| CN115029570A (en) | Preparation method of titanium-niobium alloy ingot | |
| CN107252889B (en) | A kind of preparation method of titanium alloy large-sized casting ingot consutrode | |
| CN107674990B (en) | A kind of preparation method of the titanium alloy of element containing high-melting-point entirety consutrode | |
| CN108866365A (en) | A kind of high-quality titanium aluminium pre-alloyed powder electrode preparation method | |
| CN1035560C (en) | Uniformized smelt casting tech. for titanium-aluminium compound base alloy | |
| CN107498010B (en) | A kind of preparation process of light alloy semisolid slurry | |
| CN101628328B (en) | New preparation method of AgMgNi alloy conducting ring | |
| CN101886185A (en) | Method for preparing copper-chrome alloy casting blank | |
| CN102418009B (en) | Aluminum alloy capable of digesting high-hardness compounds and smelting method of aluminum alloy | |
| CN210718628U (en) | Multifunctional suspension smelting furnace for smelting alloy in vacuum chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |