CN203761612U - Titanium electrode combination comprising refractory metal core rod - Google Patents
Titanium electrode combination comprising refractory metal core rod Download PDFInfo
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- CN203761612U CN203761612U CN201420163812.3U CN201420163812U CN203761612U CN 203761612 U CN203761612 U CN 203761612U CN 201420163812 U CN201420163812 U CN 201420163812U CN 203761612 U CN203761612 U CN 203761612U
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- refractory metal
- core rod
- metal core
- titanium
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Abstract
The utility model discloses a titanium electrode combination comprising a refractory metal core rod and provides a titanium electrode preparation method capable of reducing vacuum consumable arc melting production cost and production processes, lowering energy consumption and increasing finished product rate. An electrode is composed of electrode blocks and the refractory metal core rod, refractory metal is assembled and welded to be a square rod or a round rod of 2.1-2.7m in length, the electrode blocks are formed by sponge titanium and other needed low and medium melting-point metal by pressing and arranged in a layered manner, and a certain groove of 300-350mm in length and 200-400mm in width is arranged on the surface of each electrode block; after two electrode blocks are welded in an involutive manner, a hole cavity for containing the refractory metal core rod is reserved, the electrode is formed after the refractory metal core rod and the electrode blocks are welded in a spliced manner, and the refractory metal core rod is combined compactly with the grooves of the electrode blocks after spliced welding. The titanium electrode combination is suitable for preparation of electrodes that intermediate alloy manufacturing is not additionally performed while the refractory metal is contained directly for vacuum consumable arc melting.
Description
Technical field
The present invention relates to a kind of titanium electrode combination that comprises refractory metal core rod.
Background technology
Titanium material has high strength, the advantage such as corrosion resistance and biocompatibility that density is little, good, in many fields extensive use of national economy and social life.Titanium material vacuum melting production process route is stable at present, process maturation, aspect refractory metal melting, mainly contain electron-beam cold bed furnace melting and vacuum consumable arc-melting, the high-purity refractory metal rate of finished products of electron-beam cold bed furnace melting is high, composition is even, but exist equipment investment large, energy consumption is large, cost is high, complicated operation, the shortcomings such as ingot casting weight is limited, vacuum consumable arc-melting contains refractory metal mischmetal, this method of smelting is simple to operate, composition is even, but also exist rate of finished products low, cost is high, and need make in advance intermediate alloy, increase production process, production cost, the shortcomings such as spillage of material.
A kind of titanium electrode combination that comprises refractory metal core rod of the present invention, on the basis of the conventional preparation of titanium material electrode for vacuum consumable arc-melting, form electrode by the electrode block with certain groove of direct pressing and the refractory metal core rod welding of applicable electrode block groove shapes, by select suitable vacuum consumable arc-melting technique, can melt out to reach proportioning calculation requirement, the uniform segregation-free high-quality of composition ingot casting.
Summary of the invention
The invention provides and a kind ofly do not carry out extra intermediate alloy and make and directly comprise refractory metal and carry out the combination of electrode for vacuum consumable arc-melting.On basis at titanium alloy vacuum consumable electric arc melting with the conventional preparation of electrode, form electrode by the electrode block with certain groove of direct pressing and the refractory metal core rod welding of applicable electrode block groove shapes, by selecting suitable vacuum consumable arc-melting technique, can melt out reach proportioning calculation requirement, the uniform segregation-free high-quality of composition ingot casting, can reduce production cost, production process, reduce energy consumption, improve rate of finished products.
Feature of the present invention: electrode is made up of electrode block and refractory metal core rod, because electrode finally will pack in water jacketed copper crucible, is limited by length and the internal diameter of melting water jacketed copper crucible also.Refractory metal is that W, Mo, Nb, Ta equitemperature exceed the metal of 2000 DEG C, and refractory metal is made into square rod or the pole of length 2.1～2.7m, becomes follow-up and plug electrode block welding.Electrode block by titanium sponge and other required in, low-melting-point metal compacting forms, electrode block mold for pressing has circular arc or other shape projections, can extrude surface and there is certain groove, length 300～350mm, width 200～400mm, after the involutory welding of two electrode blocks, leave the vestibule that holds refractory metal core rod, after refractory metal core rod and the splicing of a few joint electrode block, become the electrode that can carry out melting.Every electrode refractory metal core rod used must be complete one, if by several length not etc. refractory metal core rod form, must carry out assembly welding and form whole.Electrode block is by titanium sponge and other required metal storied placements, formed by hydraulic press compacting, and electrode block groove and refractory metal core rod size design are suitable, makes after welding refractory metal core rod be combined compactness with electrode block groove.
Brief description of the drawings
Accompanying drawing 1 is electrode cross-section figure.
Accompanying drawing 2 is electrode block and refractory metal core rod constitutional diagram.
Embodiment
Embodiment 1: adopting 1 grade of titanium sponge, aluminium shot and molybdenum pole is raw material, carry out proportioning by nominal composition Ti-8Al-15Mo, after batch mixing, be pressed into electrode block, again electrode block is welded into melting electrode by argon arc welding method, in vacuum consumable arc-melting stove, carries out being smelted into for three times Φ 440mm ingot casting.Use quick forging machine that ingot casting is carried out to cogging forging at 1150 DEG C, after upsetting pull repeatedly, become the pole base of Φ 110mm, then carry out finish forge 980 DEG C of following temperature and become the pole base of Φ 60mm, add to strip off the skin, polish after repairing wound finally by machine and be rolled into Φ 8mm wire rod, grinding or reconditioning scale removal again, cold drawn through roller die wire drawing is Φ 2mm silk material.
Embodiment 2: adopting 1 grade of titanium sponge, technical grade sponge zirconium and niobium pole is raw material, carry out proportioning by nominal composition Ti-13Nb-13Zr, after batch mixing, be pressed into electrode block, again electrode block is welded into melting electrode by argon arc welding method, in vacuum consumable arc-melting stove, carries out three times and be smelted into ingot casting.Use quick forging machine that ingot casting is carried out to cogging forging at 1050 DEG C, after upsetting pull repeatedly, become the square slab of δ 50mm, be then rolled below at 950 DEG C the slab that becomes δ 5mm, finally by sandblast, repair the sheet material of cold rolling desired thickness after wound, pickling.
Claims (1)
1. a titanium electrode combination that comprises refractory metal core rod, it is characterized in that: electrode is made up of electrode block and refractory metal core rod, refractory metal assembly welding becomes square rod or the pole of length 2.1～2.7m, electrode block by titanium sponge and other required in, low-melting-point metal storied placement compacting forms, surface has certain groove, length 300～350mm, width 200～400mm; After the involutory welding of two electrode blocks, leave the vestibule that holds refractory metal core rod, after refractory metal core rod and electrode block splicing welding, become electrode, after welding, refractory metal core rod is combined compactness with electrode block groove; Being applicable to not carry out extra intermediate alloy makes and directly comprises refractory metal and carry out the preparation of electrode for vacuum consumable arc-melting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420163812.3U CN203761612U (en) | 2014-04-07 | 2014-04-07 | Titanium electrode combination comprising refractory metal core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420163812.3U CN203761612U (en) | 2014-04-07 | 2014-04-07 | Titanium electrode combination comprising refractory metal core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761612U true CN203761612U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420163812.3U Expired - Fee Related CN203761612U (en) | 2014-04-07 | 2014-04-07 | Titanium electrode combination comprising refractory metal core rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN203761612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105063367A (en) * | 2015-07-23 | 2015-11-18 | 宝钛集团有限公司 | Preparation method for smelting electrodes |
| CN107619942A (en) * | 2017-10-26 | 2018-01-23 | 西部超导材料科技股份有限公司 | A kind of consumable electrode vacuum furnace titanium or titanium alloy electrode and preparation method thereof |
-
2014
- 2014-04-07 CN CN201420163812.3U patent/CN203761612U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105063367A (en) * | 2015-07-23 | 2015-11-18 | 宝钛集团有限公司 | Preparation method for smelting electrodes |
| CN107619942A (en) * | 2017-10-26 | 2018-01-23 | 西部超导材料科技股份有限公司 | A kind of consumable electrode vacuum furnace titanium or titanium alloy electrode and preparation method thereof |
| CN107619942B (en) * | 2017-10-26 | 2019-07-02 | 西部超导材料科技股份有限公司 | A kind of consumable electrode vacuum furnace titanium or titanium alloy electrode and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20190407 |
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| CF01 | Termination of patent right due to non-payment of annual fee |