CN107674989A - A kind of overall preparation method of electrode for titanium alloy vacuum consumable smelting - Google Patents
A kind of overall preparation method of electrode for titanium alloy vacuum consumable smelting Download PDFInfo
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- CN107674989A CN107674989A CN201710805800.4A CN201710805800A CN107674989A CN 107674989 A CN107674989 A CN 107674989A CN 201710805800 A CN201710805800 A CN 201710805800A CN 107674989 A CN107674989 A CN 107674989A
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- electrode
- alloy
- raw material
- hydraulic press
- vacuum consumable
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- 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
Abstract
The present invention relates to a kind of overall preparation method of electrode for titanium alloy vacuum consumable smelting, specifically by the preparation method of large-tonnage hydraulic press semi continuous extruding straight forming titanium alloy vacuum consumable smelting overall electrode.Technical scheme is：Corresponding raw material is selected by alloying component, match and weigh, the raw material prepared is well mixed by mixed material distributing machine, first batch of raw material input large-tonnage hydraulic press is squeezed into consutrode block, then second lot raw material is put into large-tonnage hydraulic press, directly extruded on the basis of first piece of consutrode block, above steps may be repeated multiple times obtains the overall consutrode of specific length, in vacuum consumable smelting stove melting obtain qualified ingot casting.It is an advantage of the invention that：Extrude to obtain the overall consutrode block of suitable length by large-tonnage hydraulic press semi continuous, issuable the defects of being mingled with, weld loosely when can effectively avoid the lower PLASMA ARC WELDING butt welding of traditional argon gas protection, ensure ingot metallurgy quality, raising production efficiency.
Description
Technical field
The invention belongs to titanium alloy material processing technique field, and in particular to a kind of electrode for titanium alloy vacuum consumable smelting
Overall preparation method.
Background technology
With the acceleration that the development of aircraft industry, aircraft update, aeroplane performance improves constantly.And new and effective aircraft
Require that its material has the good synthesis such as light, intensity is high, high temperature resistant, corrosion-resistant, anti-oxidant and formability are good first
Performance, it should ensure that airframe and engine part have stronger work under stress, high temperature, corrosion and other action conditions
Ability, aircraft is set to reach high technical qualities again.Titanium or titanium alloy is due to density is low, specific strength is high（Better than aluminium alloy
And steel）, heat-resisting, shock resistance, the excellent properties such as corrosion-resistant, and the composite largely used with aircraft has good electrochemistry
Compatibility, therefore titanium alloy is favored by aircraft designers, dosage aboard is continuously increased.
As titanium alloy is in the extensive use of aerospace field, requirement to titanium alloy metallurgical quality also more and more higher.
But because China's titan alloy casting ingot prepares the unqualified of correlation technique, compared with the western developed countries such as America and Europe, in titanium alloy
Obvious gap is still suffered from metallurgical quality.Wherein, it is domestic common in terms of the preparation of titanium alloy vacuum consumable smelting electrode
Then preparation method welds integral consumable electricity using segmentation compacting fritter electrode by the plasma arc welding (PAW) in the case where argon gas is protected
Pole, but because welding procedure and welding protection facility are unstable, easily cause consutrode weldering loosely, the quality such as be mingled with and ask
Topic, directly affects ingot metallurgy quality.For metallurgical quality problem existing in terms of titanium alloy consumable electrode preparation, at present still
There is no preferable solution.
The content of the invention
It is an object of the invention to provide a kind of overall preparation method of electrode for titanium alloy vacuum consumable smelting, by this skill
Art scheme, it can solve the problem that existing titanium alloy vacuum consumable electrode is easily caused in plasma welding process under argon gas protection and press from both sides
It is miscellaneous, weldering loosely the problems such as.
The present invention is achieved by the following technical solutions：
Step 1: being considered to be worth doing with titanium sponge, high pure metal, intermediate alloy and residual titanium as raw material, weighed according to alloying component required each
Kind raw material；
Corresponding raw material is weighed Step 2: being automatically controlled by automatic material weighing device by alloy proportion, and will be each by conveyer
Alloy is well mixed by kind feedstock transportation to batch mixer, mixing system；
Step 3: the alloy raw material that first batch is well mixed（100~150Kg）Large-tonnage hydraulic press is sent into, is pressed into corresponding
The fritter consutrode of specification；
Step 4: the alloy raw material that second lot is well mixed（100~150Kg）Large-tonnage hydraulic press is put into, at first piece certainly
Continue to extrude on the basis of power pole block；
Step 5: consutrode extruding described in step 4 is repeated several times, until obtaining the melting of technological requirement length with completely
Consutrode.
The features of the present invention also resides in：
The particle size range of titanium sponge described in step 1 in 0.83 ~ 25.4mm, and the particle size range of intermediate alloy 0.05 ~
10mm, the granularity of simple metal is between 0.5 ~ 10mm.
Automatic material weighing mixing system has an automatic weighing function in step 2, and cloth, the batch mixing of titanium sponge and intermediate alloy are complete
Technology controlling and process of the portion by computer by setting, is automatically performed in totally-enclosed system, avoid artificial and environment to material composition with
The influence of alloy uniformity, ensure electrode quality.
Step 3: the electrode block density for suppressing to obtain using large-tonnage hydraulic press in four is in 3.2 ~ 4.0g/cm3Between.
Using the overall electrode block of large-tonnage hydraulic press semi continuous compacting, it is necessary to first in large-tonnage hydraulic press in step 5
The fritter electrode block of monolithic is squeezed out in mould, second be mixed evenly is added on the electrode block top then suppressed in a mold
Batch alloy material continues to extrude, until completely being met the consutrode that technological requirement is available for directly using.
3/1000mm is not more than using the overall consutrode of large-tonnage hydraulic press compacting, its flexibility in step 5.
Brief description of the drawings
Fig. 1 is that large-tonnage hydraulic press semi continuous suppresses titanium alloy overall electrode Longitudinal cross section schematic.
Embodiment
Describe the concrete technical scheme of the present invention in detail below by way of specific example：
Embodiment 1：For this example exemplified by preparing TC4 titan alloy casting ingot vacuum consumable electrodes, specific preparation method is as follows.
Step 1: considered to be worth doing with titanium sponge, commercial-purity aluminium, Al-V intermediate alloys and residual titanium as raw material, according to TC4 alloys name
Composition Ti-6Al-4V chooses the various raw materials, wherein the quality purity of the titanium sponge is not less than 99.65%, commercial-purity aluminium
Quality purity is not less than 99.95%, and the quality purity of Al-V intermediate alloys is not less than 99.8%；
Corresponding raw material is weighed Step 2: being automatically controlled by automatic material weighing device by TC4 alloy proportions, and will by conveyer
TC4 alloys are well mixed by various feedstock transportations to batch mixer, mixing system, wherein titanium sponge, intermediate alloy and fine aluminium grain
Cloth, batch mixing are automatically performed in totally-enclosed system all by computer by the technology controlling and process set, avoid artificial and environment pair
The influence of material composition and alloy uniformity, ensure electrode quality；
Step 3: the alloy raw material 125Kg that first batch is well mixed is sent into large-tonnage hydraulic press, diameter 450mm is pressed into,
Density 3.8g/cm3Consutrode block；
Step 4: in the alloy raw material 125Kg input large-tonnage hydraulic press pressing molds that second lot is well mixed, in step 3 certainly
Continue to extrude on the basis of power pole block；
Step 5: consutrode extruding described in step 4 is repeated several times, until obtaining the complete from power consumption of 450 × 4500mm of φ
Pole.
Embodiment 2：This example is exemplified by preparing TA15 titan alloy casting ingot vacuum consumable electrodes, and specific preparation method is such as
Under.
Step 1: using titanium sponge, sponge zirconium, commercial-purity aluminium, Al-V intermediate alloys, Al-Mo intermediate alloys as raw material, according to
TA15 alloy nominal compositions Ti-6.5Al-1Mo-1V-2Zr chooses the various raw materials, and the titanium sponge, the quality of sponge zirconium are pure
Degree is not less than 99.65%, and the quality purity of commercial-purity aluminium is not less than 99.95%, and the quality of Al-V and Al-Mo intermediate alloys is pure
Degree is not less than 99.8%；
Corresponding raw material is weighed Step 2: being automatically controlled by automatic material weighing device by TA15 alloy proportions, and passes through conveyer
By various feedstock transportations to batch mixer, TA15 alloys are well mixed by mixing system, wherein titanium sponge, sponge zirconium, intermediate alloy
Cloth, batch mixing with fine aluminium grain are automatically performed in totally-enclosed system all by computer by the technology controlling and process set, avoid people
For with influence of the environment to material composition and alloy uniformity, ensure electrode quality；
Step 3: the alloy raw material 100Kg that first batch is well mixed is sent into large-tonnage hydraulic press, it is close to be pressed into φ 650mm
Spend 3.8g/cm3Fritter consutrode；
Step 4: the alloy raw material 100Kg that second lot is well mixed puts into large-tonnage hydraulic press, in first piece of consutrode
Continue to extrude on the basis of block；
Step 5: consutrode extruding described in step 4 is repeated several times, until obtaining the complete from power consumption of 650 × 4500mm of φ
Pole, consutrode flexibility are not more than 3/1000mm.
Embodiment 3：This example is exemplified by preparing TC18 titan alloy casting ingot vacuum consumable electrodes, and specific preparation method is such as
Under.
Step 1: among with titanium sponge, the pure Cr of little particle and pure Al, Al-V intermediate alloy, Al-Mo intermediate alloys, Al-Fe
Alloy is raw material, and the various raw materials, institute are chosen according to TC18 alloy nominal compositions Ti-5Al-4.75Mo-4.75V-1Cr-1Fe
The quality purity of titanium sponge is stated not less than 99.65%, pure Cr and pure Al quality purity are not less than 99.95%, and Al-V, Al-
The quality purity of Mo, Al-Fe intermediate alloy is not less than 99.8%；
Corresponding raw material is weighed Step 2: being automatically controlled by automatic material weighing device by TC18 alloy proportions, and passes through conveyer
By various feedstock transportations to batch mixer, TC18 alloys are well mixed by mixing system, wherein titanium sponge, intermediate alloy and simple metal
Cloth, the whole technology controlling and process by computer by setting of batch mixing, be automatically performed in totally-enclosed system, avoid artificial and environment
Influence to material composition and alloy uniformity, ensure electrode quality；
Step 3: the alloy raw material 100Kg that first batch is well mixed is sent into large-tonnage hydraulic press, it is close to be pressed into φ 650mm
Spend 3.8g/cm3Fritter consutrode；
Step 4: the alloy raw material 100Kg that second lot is well mixed puts into large-tonnage hydraulic press, in first piece of consutrode
Continue to extrude on the basis of block；
Step 5: consutrode extruding described in step 4 is repeated several times, until obtaining the complete from power consumption of 650 × 4500mm of φ
Pole.
Claims (6)
1. the overall preparation method of a kind of electrode for titanium alloy vacuum consumable smelting, it is characterised in that this method includes following step
Suddenly：
Step 1: being considered to be worth doing with titanium sponge, simple metal, intermediate alloy and residual titanium as raw material, the raw material is chosen according to titanium alloy component；
Corresponding raw material is weighed Step 2: being automatically controlled by automatic material weighing device by alloy proportion, will be various by conveyer
Alloy is well mixed by feedstock transportation to batch mixer, mixing system；
Step 3: the alloy raw material that first batch is well mixed（100~150Kg）Large-tonnage hydraulic press is sent into, is pressed into corresponding
The single consutrode block of specification；
Step 4: the alloy raw material that second lot is well mixed（100~150Kg）Large-tonnage hydraulic press is put into, in step 3 institute
Derived from continuing directly to extrude on the basis of power pole block；
Step 5: consutrode extruding described in step 4 is repeated several times, until obtaining the complete from power consumption of technological requirement length
Pole.
2. the overall preparation method of electrode for titanium alloy vacuum consumable smelting according to claim 1, it is characterised in that step
A kind of rapid particle size range of the titanium sponge is in 0.83 ~ 25.4mm, and the particle size range of intermediate alloy is in 0.05 ~ 10mm, proof gold
The granularity of category is between 0.5 ~ 10mm.
3. the overall preparation method of electrode for titanium alloy vacuum consumable smelting according to claim 1, it is characterised in that step
Automatic material weighing mixing system has an automatic weighing function in rapid two, and the cloth of titanium sponge and intermediate alloy, batch mixing are all by computer
By the technology controlling and process of setting, it is automatically performed in totally-enclosed system, avoids artificial and environment to material composition and alloy uniformity
Influence, ensure electrode quality.
4. the overall preparation method of electrode for titanium alloy vacuum consumable smelting according to claim 1, it is characterised in that step
The electrode block density for suppressing to obtain using large-tonnage hydraulic press in rapid three, four is in 3.2 ~ 4.0g/cm3Between.
5. the overall preparation method of electrode for titanium alloy vacuum consumable smelting according to claim 1, it is characterised in that institute
State in step 5 using the overall electrode block of large-tonnage hydraulic press semi continuous compacting, it is necessary to first in large-tonnage die of hydraulic machine
The fritter electrode block of monolithic is squeezed out, the second lot that the electrode block top addition then suppressed in a mold is mixed evenly is closed
Gold material continues to extrude, until completely being met the consutrode that technological requirement is available for directly using.
6. the overall preparation method of electrode for titanium alloy vacuum consumable smelting according to claim 1, it is characterised in that institute
State in step 5 and 3/1000mm is not more than using the overall consutrode of large-tonnage hydraulic press compacting, its Integral bending curvature.
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| CN201710805800.4A CN107674989A (en) | 2017-09-08 | 2017-09-08 | A kind of overall preparation method of electrode for titanium alloy vacuum consumable smelting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048639A (en) * | 2020-08-27 | 2020-12-08 | 重庆金世利航空材料有限公司 | Preparation method of TA15 titanium alloy ingot |
| CN112917981A (en) * | 2020-12-28 | 2021-06-08 | 陕西兴盛新材料股份有限公司 | Electrode pressing process adopting force steering pressurization |
| CN115121792A (en) * | 2022-06-17 | 2022-09-30 | 重庆金世利航空材料有限公司 | Preparation method for improving mixing uniformity of titanium alloy integral consumable electrode |
| CN115194129A (en) * | 2022-06-02 | 2022-10-18 | 重庆金世利航空材料有限公司 | Titanium alloy integral consumable electrode with auxiliary electrode and preparation method thereof |
Citations (6)
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| RU2015845C1 (en) * | 1991-06-24 | 1994-07-15 | Верхнесалдинское металлургическое производственное объединение | Method for manufacture of consumable electrode for melting of high-alloy titanium alloys |
| RU2020772C1 (en) * | 1991-05-22 | 1994-09-30 | Верхнесалдинское металлургическое производственное объединение | Consumable electrode of vacuum electric-arc furnace |
| RU2331679C2 (en) * | 2006-07-06 | 2008-08-20 | Открытое Акционерное Общество "Корпорация Всмпо-Ависма" | Method of production of consumable electrode |
| CN202006283U (en) * | 2011-03-11 | 2011-10-12 | 湖南金天钛业科技有限公司 | Extrusion mould of lateral powder oil press |
| CN205856570U (en) * | 2016-06-30 | 2017-01-04 | 广东省材料与加工研究所 | It is applicable to the electrode for vacuum consumable arc-melting of 600 DEG C of high-temperature titanium alloys |
| CN106702210A (en) * | 2016-12-19 | 2017-05-24 | 镇江创智特种合金科技发展有限公司 | Production technique of high-strength and corrosion-resistant titanium alloy |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2020772C1 (en) * | 1991-05-22 | 1994-09-30 | Верхнесалдинское металлургическое производственное объединение | Consumable electrode of vacuum electric-arc furnace |
| RU2015845C1 (en) * | 1991-06-24 | 1994-07-15 | Верхнесалдинское металлургическое производственное объединение | Method for manufacture of consumable electrode for melting of high-alloy titanium alloys |
| RU2331679C2 (en) * | 2006-07-06 | 2008-08-20 | Открытое Акционерное Общество "Корпорация Всмпо-Ависма" | Method of production of consumable electrode |
| CN202006283U (en) * | 2011-03-11 | 2011-10-12 | 湖南金天钛业科技有限公司 | Extrusion mould of lateral powder oil press |
| CN205856570U (en) * | 2016-06-30 | 2017-01-04 | 广东省材料与加工研究所 | It is applicable to the electrode for vacuum consumable arc-melting of 600 DEG C of high-temperature titanium alloys |
| CN106702210A (en) * | 2016-12-19 | 2017-05-24 | 镇江创智特种合金科技发展有限公司 | Production technique of high-strength and corrosion-resistant titanium alloy |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112048639A (en) * | 2020-08-27 | 2020-12-08 | 重庆金世利航空材料有限公司 | Preparation method of TA15 titanium alloy ingot |
| CN112917981A (en) * | 2020-12-28 | 2021-06-08 | 陕西兴盛新材料股份有限公司 | Electrode pressing process adopting force steering pressurization |
| CN115194129A (en) * | 2022-06-02 | 2022-10-18 | 重庆金世利航空材料有限公司 | Titanium alloy integral consumable electrode with auxiliary electrode and preparation method thereof |
| CN115121792A (en) * | 2022-06-17 | 2022-09-30 | 重庆金世利航空材料有限公司 | Preparation method for improving mixing uniformity of titanium alloy integral consumable electrode |
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Application publication date: 20180209 |