CN103567664B - Titanium-pipe line steel composite plate welding Ti-Ni welding wire and preparation method thereof - Google Patents
Titanium-pipe line steel composite plate welding Ti-Ni welding wire and preparation method thereof Download PDFInfo
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- CN103567664B CN103567664B CN201310525904.1A CN201310525904A CN103567664B CN 103567664 B CN103567664 B CN 103567664B CN 201310525904 A CN201310525904 A CN 201310525904A CN 103567664 B CN103567664 B CN 103567664B
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- titanium
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/24—Ferrous alloys and titanium or alloys thereof
Abstract
Titanium-pipe line steel composite plate welding Ti-Ni welding wire and preparation method thereof, composed of the following components according to percentage by weight: Ni52-58%, C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, surplus is Ti, and the percentage by weight sum of above component is 100%.Titanium of the present invention-pipe line steel composite plate welding Ti-Ni welding wire, effectively can be engaged togather composite plate titanium layer and pipeline steel layer seam organization, realize the melting welding docking of titanium-pipe line steel composite plate, and welding point has excellent obdurability; Its diameter is little, and GTAW both can have been adopted to weld, and metal argon arc welding can be adopted again to weld; And soldering wire alloy kind is few, preparation technology is simple, is convenient to carry out large-scale production.
Description
Technical field
The invention belongs to Metal Material Welding technical field, relate to a kind of titanium-pipe line steel composite plate welding Ti-Ni welding wire, the invention still further relates to the preparation method of this titanium-pipe line steel composite plate welding Ti-Ni welding wire.
Background technology
Titanium-pipe line steel composite plate is a kind of new use for explosive ply-metal, integrates titanium, pipe line steel advantage, has both had the strong corrosion resistant of titanium, have again the high-strength tenacity of pipe line steel.This composite plate is applied on oil gas transport pipeline, had both solved the difficult point that single pipe line steel pipeline is easily corroded, solve again and manufacture the too high problem of oil gas transport piping cost with single resistant material.But, because Ti, Fe Wuli-Shili-Renli system approach differs greatly, very easily generate high brittle intermetallic thing, make titanium-pipe line steel composite plate be difficult to melting welding and connect, seriously hinder its application on oil and gas pipes.At present, the docking problem about titanium-pipe line steel composite plate only has the report in a small amount of welding procedure, there is not yet the report about its melting welding connecting welding material.
Summary of the invention
The object of this invention is to provide a kind of titanium-pipe line steel composite plate welding Ti-Ni welding wire, solve existing titanium-pipe line steel composite plate cannot melting welding docking problem.
Another object of the present invention is to provide the preparation method of above-mentioned titanium-pipe line steel composite plate welding Ti-Ni welding wire.
The technical solution adopted in the present invention is, Ti-Ni welding wire is used in titanium-pipe line steel composite plate welding, composed of the following components according to percentage by weight: Ni 52-58%, C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, surplus is Ti, and the percentage by weight sum of above component is 100%.
Another technical scheme of the present invention is, titanium-pipe line steel composite plate welding preparation method of Ti-Ni welding wire, and concrete steps are as follows:
Step 1, melting
Pure nickel powder 52-58% is taken respectively, titanium sponge 42-48% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, be filled with argon gas after then titanium liquid temp being down to 1550 DEG C and make pressure in stove reach 300-380mmHg; Again the pure nickel powder taken is added after stirring 2min in titanium liquid and go out Ti-Ni casting liquid, be poured in ingot mould, after being poured, ingot mould preserved 30min at vacuum chamber, then take out ingot casting and be cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 52-58%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1100-1200 DEG C, then at 1100-1200 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod drawing step by step after mechanical descaling, pickling, oven dry, heat treatment, Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.2-1.6mm.
Feature of the present invention is also,
The temperature of refining in step 1 is 1680 DEG C, and the time is 20min.
In step 1, Ti-Ni casts the liquid temp that to cast of liquid is 1480 DEG C, Ti-Ni will be made to cast liquid temp remain on 1480 DEG C in casting process, and notice that Ti-Ni casts liquid surperficial tranquil, cast evenly simultaneously.
The Acidwash solution used during pickling in step 2 for volume fraction be 20% sulfuric acid, the aqueous solution that is mixed with of 10% nitric acid and 5% hydrochloric acid; Bake out temperature is 200 DEG C, and the time is 0.5h; Heat treatment temperature is 880-980 DEG C, and the time is 1h.
The invention has the beneficial effects as follows,
1. titanium of the present invention-pipe line steel composite plate welding Ti-Ni welding wire, effectively can be engaged togather composite plate titanium layer and pipeline steel layer seam organization, realize the melting welding docking of titanium-pipe line steel composite plate, and welding point has excellent obdurability.
2. titanium of the present invention-pipe line steel composite plate welding Ti-Ni gage of wire is little, GTAW both can have been adopted to weld, metal argon arc welding can be adopted again to weld; And soldering wire alloy kind is few, preparation technology is simple, is convenient to carry out large-scale production.
Accompanying drawing explanation
Fig. 1 is the deposited metal metallograph of the embodiment of the present invention 1;
Fig. 2 is the deposited metal metallograph of the embodiment of the present invention 4.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Titanium of the present invention-pipe line steel composite plate welding Ti-Ni welding wire, composed of the following components according to percentage by weight: Ni 52-58%, C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, surplus is Ti, and the percentage by weight sum of above component is 100%.
The preparation method of above-mentioned titanium-pipe line steel composite plate welding Ti-Ni welding wire, concrete steps are as follows:
Step 1, melting
Pure nickel powder 52-58% is taken respectively, titanium sponge 42-48% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, the temperature of refining is 1680 DEG C, and the time is 20min, is filled with argon gas and makes pressure in stove reach 300-380mmHg after then titanium liquid temp being down to 1550 DEG C; Again the pure nickel powder taken is added in molten steel after stirring 2min and go out Ti-Ni casting liquid, going out Ti-Ni casting liquid temp is 1480 DEG C, be poured in ingot mould, Ti-Ni to be made in casting process to cast liquid temp and to remain on 1480 DEG C, notice that Ti-Ni casts liquid surface calmness simultaneously, ingot mould evenly, is preserved 30min at vacuum chamber after being poured by cast, then takes out ingot casting and is cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 52-58%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1100-1200 DEG C, then at 1100-1200 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod drawing step by step after mechanical descaling, pickling, 200 DEG C of dry 0.5h, heat treatment (temperature 880-980 DEG C, time 1h), Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.2-1.6mm.
Titanium of the present invention-pipe line steel composite plate welding Ti-Ni welding wire, effectively can be engaged togather composite plate titanium layer and pipeline steel layer seam organization, realize the melting welding docking of titanium-pipe line steel composite plate, and welding point has excellent obdurability.
Titanium of the present invention-pipe line steel composite plate welding Ti-Ni gage of wire is little, GTAW both can have been adopted to weld, metal argon arc welding can be adopted again to weld; And soldering wire alloy kind is few, preparation technology is simple, is convenient to carry out large-scale production.
Embodiment 1
Step 1, melting
Pure nickel powder 52% is taken respectively, titanium sponge 48% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, the temperature of refining is 1680 DEG C, and the time is 20min, is filled with argon gas and makes pressure in stove reach 350mmHg after then titanium liquid temp being down to 1550 DEG C; Again the pure nickel powder taken is added after stirring 2min in titanium liquid and go out Ti-Ni casting liquid, going out Ti-Ni casting liquid temp is 1480 DEG C, be poured in ingot mould, Ti-Ni to be made in casting process to cast liquid temp and to remain on 1480 DEG C, notice that Ti-Ni casts liquid surface calmness simultaneously, ingot mould evenly, is preserved 30min at vacuum chamber after being poured by cast, then takes out ingot casting and is cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 52%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1100 DEG C, then at 1100 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod drawing step by step after mechanical descaling, pickling, 200 DEG C of dry 0.5h, heat treatment (temperature 920 DEG C, time 1h), Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.6mm.
Adopt Ti-Ni welding wire prepared by embodiment 1, titanium layer welding wire (pure titanium silk) and pipe line steel welding wire (YCGX80) is coordinated to weld titanium-pipe line steel (TA1-X80) composite plate, welding procedure is: composite plate opens single V-butt (steel layer upper, titanium layer under), bevel angle is 60 °, first weld titanium layer, rear welding steel layer; Titanium layer and transition zone all adopt GTAW, and welding current is respectively: 80-100A, 100-130A, and protective gas is the high-purity argon gas of 99.99%, and steel layer adopts CO
2gas shielded arc welding, welding current is 160-180A.
Welding joint mechanical property is after tested: tensile strength 501MPa, yield strength 393MPa, elongation after fracture 9.5%, the contraction percentage of area 32%, room temperature impact merit 32J.
As shown in Figure 1, as shown in Figure 1, TA1 weld seam and Ti-Ni transition zone weld seam interpenetrate with irregular bulk or lamellar structure weld metal zone deposited metal metallograph, intert and are connected, and its interface is the intermediate zone of wide about 100 μm; Ti-Ni weld seam and X80 steel weld seam are interconnected with massive texture, its interface is wire, without obvious intermediate zone, but Ti-Ni weld seam is in the strip or the acicular constituent district that have a 50-100 μm near X80 steel side, and the acicular ferrite structure of this tissue and X80 steel has good connecting.
Embodiment 2
Step 1, melting
Pure nickel powder 54% is taken respectively, titanium sponge 46% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, the temperature of refining is 1680 DEG C, and the time is 20min, is filled with argon gas and makes pressure in stove reach 360mmHg after then titanium liquid temp being down to 1550 DEG C; Again the pure nickel powder taken is added after stirring 2min in titanium liquid and go out Ti-Ni casting liquid, going out Ti-Ni casting liquid temp is 1480 DEG C, be poured in ingot mould, Ti-Ni to be made in casting process to cast liquid temp and to remain on 1480 DEG C, notice that Ti-Ni casts liquid surface calmness simultaneously, ingot mould evenly, is preserved 30min at vacuum chamber after being poured by cast, then takes out ingot casting and is cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 54%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1150 DEG C, then at 1150 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod drawing step by step after mechanical descaling, pickling, 200 DEG C of dry 0.5h, heat treatment (temperature 980 DEG C, time 1h), Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.4mm.
Adopt the Ti-Ni welding wire that embodiment 2 makes, titanium layer welding wire (pure titanium silk) and pipe line steel welding wire (YCGX80) is coordinated to weld titanium-pipe line steel (TA1-X80) composite plate, welding procedure is: composite plate opens single V-butt (steel layer upper, titanium layer under), bevel angle is 60 °, first weld titanium layer, rear welding steel layer; Titanium layer and transition zone all adopt GTAW, and welding current is respectively: 80-100A, 105-135A, and protective gas is the high-purity argon gas of 99.99%, and steel layer adopts CO
2gas shielded arc welding, welding current is 160-180A.
Welding joint mechanical property is: tensile strength 495MPa, yield strength 398MPa, elongation after fracture 10.5%, the contraction percentage of area 33%, room temperature impact merit 33J.
Embodiment 3
Step 1, melting
Pure nickel powder 56% is taken respectively, titanium sponge 44% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, the temperature of refining is 1680 DEG C, and the time is 20min, is filled with argon gas and makes pressure in stove reach 300mmHg after then titanium liquid temp being down to 1550 DEG C; Again the pure nickel powder taken is added after stirring 2min in titanium liquid and go out Ti-Ni casting liquid, going out Ti-Ni casting liquid temp is 1480 DEG C, be poured in ingot mould, Ti-Ni to be made in casting process to cast liquid temp and to remain on 1480 DEG C, notice that Ti-Ni casts liquid surface calmness simultaneously, ingot mould evenly, is preserved 30min at vacuum chamber after being poured by cast, then takes out ingot casting and is cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 56%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1180 DEG C, then at 1180 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod drawing step by step after mechanical descaling, pickling, 200 DEG C of dry 0.5h, heat treatment (temperature 880 DEG C, time 1h), Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.2mm.
Adopt the Ti-Ni welding wire that embodiment 3 makes, titanium layer welding wire (pure titanium silk) and pipe line steel welding wire (YCGX80) is coordinated to weld titanium-pipe line steel (TA1-X80) composite plate, welding procedure is: composite plate opens single V-butt (steel layer upper, titanium layer under), bevel angle is 60 °, first weld titanium layer, rear welding steel layer; Titanium layer adopts GTAW, and transition zone all adopts metal argon arc welding, and welding current is respectively: 80-100A, 100-130A, and protective gas is the high-purity argon gas of 99.99%, and steel layer adopts CO
2gas shielded arc welding, welding current is 160-180A.
Welding joint mechanical property is: tensile strength 497MPa, yield strength 396MPa, elongation after fracture 10%, the contraction percentage of area 33%, room temperature impact merit 32.5J.
Embodiment 4
Step 1, melting
Pure nickel powder 58% is taken respectively, titanium sponge 42% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, the temperature of refining is 1680 DEG C, and the time is 20min, is filled with argon gas and makes pressure in stove reach 380mmHg after then titanium liquid temp being down to 1550 DEG C; Again the pure nickel powder taken is added after stirring 2min in titanium liquid and go out Ti-Ni casting liquid, going out Ti-Ni casting liquid temp is 1480 DEG C, be poured in ingot mould, Ti-Ni to be made in casting process to cast liquid temp and to remain on 1480 DEG C, notice that Ti-Ni casts liquid surface calmness simultaneously, ingot mould evenly, is preserved 30min at vacuum chamber after being poured by cast, then takes out ingot casting and is cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 58%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1200 DEG C, then at 1200 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod drawing step by step after mechanical descaling, pickling, 200 DEG C of dry 0.5h, heat treatment (temperature 950 DEG C, time 1h), Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.2mm.
Adopt the Ti-Ni welding wire that embodiment 4 makes, titanium layer welding wire (pure titanium silk) and pipe line steel welding wire (YCGX80) is coordinated to weld titanium-pipe line steel (TA1-X80) composite plate, welding procedure is: composite plate opens single V-butt (steel layer upper, titanium layer under), bevel angle is 60 °, first weld titanium layer, rear welding steel layer; Titanium layer adopts GTAW, and transition zone all adopts metal argon arc welding, and welding current is respectively: 80-100A, 105-135A, and protective gas is the high-purity argon gas of 99.99%, and steel layer adopts CO
2gas shielded arc welding, welding current is 160-180A.
Welding joint mechanical property is: tensile strength 492MPa, yield strength 394MPa, elongation after fracture 11%, the contraction percentage of area 34%, room temperature impact merit 34J.
As shown in Figure 2, as shown in Figure 2, well, interface is wire to weld metal zone deposited metal metallograph for Ti-Ni weld seam and TA1 solder design, and Ti-Ni weld seam is being dendroid or massive texture near interface; Ti-Ni weld seam and X80 steel weld interface are wire, and at interface two side weld with fine strip shape or the interspersed connection of needle-like, whole weld seam transition is even, is connected good.
Claims (4)
1. titanium-pipe line steel composite plate welding preparation method of Ti-Ni welding wire, it is characterized in that, concrete steps are as follows:
Step 1, melting
Pure nickel powder 52-58% is taken respectively, titanium sponge 42-48% according to percentage by weight; The MgO crucible titanium sponge taken being put into vacuum induction melting furnace melts; Be fused into completely after titanium liquid until titanium sponge and carry out refining, be filled with argon gas after then titanium liquid temp being down to 1550 DEG C and make pressure in stove reach 300-380mmHg; Again the pure nickel powder taken is added after stirring 2min in titanium liquid and go out Ti-Ni casting liquid, be poured in ingot mould, after being poured, ingot mould preserved 30min at vacuum chamber, then take out ingot casting and be cooled to room temperature; In fusion process, each weight percentages of components control is: C≤0.04%, N≤0.007%, O≤0.035%, H≤0.001%, Ni 52-58%, and surplus is Ti, and each weight percentages of components sum is 100%;
Step 2, hot candied
Adopt pneumatic hammer the ingot casting that step 1 obtains to be forged into the square billet of 50mm × 50mm at 1100-1200 DEG C, then at 1100-1200 DEG C, adopt 200 type five frame line three-high mills to be rolled into Φ 6.5mm wire rod; Finally by wire rod through mechanical descaling, pickling, oven dry, heat treatment-dry wire drawing-after drawing step by step, Ti-Ni welding wire is used in the titanium-pipe line steel composite plate welding forming Φ 1.2-1.6mm.
2. the preparation method of titanium according to claim 1-pipe line steel composite plate welding Ti-Ni welding wire, it is characterized in that, the temperature of refining in described step 1 is 1680 DEG C, and the time is 20min.
3. the preparation method of titanium according to claim 1-pipe line steel composite plate welding Ti-Ni welding wire, it is characterized in that, in described step 1, Ti-Ni casts the liquid temp that to cast of liquid is 1480 DEG C, in casting process, Ti-Ni casting liquid temp remains on 1480 DEG C, notice that Ti-Ni casts liquid surface calmness, cast evenly simultaneously.
4. the preparation method of titanium according to claim 1-pipe line steel composite plate welding Ti-Ni welding wire, is characterized in that, the Acidwash solution used during pickling in step 2 for volume fraction be 20% sulfuric acid, the aqueous solution that is mixed with of 10% nitric acid and 5% hydrochloric acid; Bake out temperature is 200 DEG C, and the time is 0.5h; Heat treatment temperature is 880-980 DEG C, and the time is 1h.
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| CN104028914B (en) * | 2014-05-30 | 2016-04-20 | 西安理工大学 | For welding the preparation method of the welding wire of titanium-nearly steel layer of pipe line steel composite plate |
| CN104028917B (en) * | 2014-06-04 | 2016-06-29 | 西安理工大学 | Flux-cored wire of titanium-steel composite board and preparation method thereof is docked for melting welding |
| CN106475709A (en) * | 2016-12-14 | 2017-03-08 | 西安理工大学 | A kind of welding wire for welding titanium steel composite board transition zone and preparation method thereof |
| CN107160059A (en) * | 2017-05-17 | 2017-09-15 | 北京科技大学 | A kind of preparation of Ni base solders for soldering Nb Ti high temperature alloys and method for welding |
| CN108381057A (en) * | 2018-01-22 | 2018-08-10 | 北京科技大学 | A kind of preparation and method for welding for being brazed the CoTiNb solders of Nb-Ti high temperature alloys |
| CN113523719B (en) * | 2021-07-10 | 2022-10-18 | 上海泽超实业有限公司 | Machining process of helical blade |
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| CN1428448A (en) * | 2001-12-25 | 2003-07-09 | 中国科学院金属研究所 | Vacuum induction smelting process of Ti-Ni and Ti-Ni-Nb marmem |
| 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 |
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| JP2851160B2 (en) * | 1990-11-30 | 1999-01-27 | 古河電気工業株式会社 | Method of manufacturing superelastic alloy wire |
| JPH04370606A (en) * | 1991-06-18 | 1992-12-24 | Furukawa Electric Co Ltd:The | Composite electrical wire |
| US10119176B2 (en) * | 2011-12-16 | 2018-11-06 | Raytheon Company | Superelastic wire and method of formation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1428448A (en) * | 2001-12-25 | 2003-07-09 | 中国科学院金属研究所 | Vacuum induction smelting process of Ti-Ni and Ti-Ni-Nb marmem |
| 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 |
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