CN106475709A - A kind of welding wire for welding titanium steel composite board transition zone and preparation method thereof - Google Patents

A kind of welding wire for welding titanium steel composite board transition zone and preparation method thereof Download PDF

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Publication number
CN106475709A
CN106475709A CN201611153155.4A CN201611153155A CN106475709A CN 106475709 A CN106475709 A CN 106475709A CN 201611153155 A CN201611153155 A CN 201611153155A CN 106475709 A CN106475709 A CN 106475709A
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powder
welding
wire
titanium
flux
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张敏
韩挺
王晓伟
张涛
史杰
慕二龙
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Xian University of Technology
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Xian University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/32Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/40Making wire or rods for soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/16Composite materials, e.g. fibre reinforced

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

The invention discloses a kind of welding wire for welding titanium steel composite board transition zone, including medicated core and weldering skin, wherein medicated core is composed of the following components by mass percentage:V powder 30~50%, Mo powder 30~50%, Ni powder 10~30%, above constituent mass percentage ratio sum is 100%.Its preparation method is:V powder, Mo powder and Ni powder are mixed post-drying, is then obtained with drawing after copper belt parcel.Welding wire of the present invention welding transition layer at Ti side slope mouth, finally welds titanium layer with pure titanium welding wire, gained welding point has excellent obdurability.Flux-cored wire alloying element of the present invention is less, and preparation process is simple is convenient for large-scale mass production.

Description

A kind of welding wire for welding titanium-steel composite board transition zone and preparation method thereof
Technical field
The invention belongs to Metal Material Welding technical field is and in particular to one kind is used for welding titanium-steel composite board transition zone Welding wire, the invention still further relates to the preparation method of this welding wire.
Background technology
Titanium-steel composite board is a kind of new use for explosive ply-metal, has the strong corrosion resistant of titanium concurrently and the height of steel is tough Property.Realize its application on oil gas transport pipeline, the difficult point that single pipe line steel pipeline is easily corroded can be solved, and can solve Manufacture the high cost problem of oil gas transport pipeline with single resistant material.However, due to titanium, steel Wuli-Shili-Renli system approach difference Larger, easily form frangible compounds between low-melting-point eutectic and Ti, Fe metal so that titanium, steel are difficult to melting welding connection, serious resistance Hinder its application on oil and gas pipes.Docking problem currently, with respect to titanium-steel composite board only has a small amount of welding procedure aspect Report, and the docking of the existing titanium-steel composite board overlap joint welding manner immiscible all using adding a cover the titanium of plate, steel, this Plant welding method complex process it is difficult to realize through engineering approaches application, there is not yet the report with regard to its melting welding connecting welding material.
Content of the invention
It is an object of the invention to provide a kind of welding wire for welding titanium-steel composite board transition zone, solve titanium-steel composite board Cannot melting welding docking problem.
It is a further object to provide a kind of preparation side of the welding wire for welding titanium-steel composite board transition zone Method.
The technical solution adopted in the present invention is that a kind of welding wire for welding titanium-steel composite board transition zone, including medicated core With weldering skin, wherein medicated core is composed of the following components by mass percentage:V powder 30%~50%, Mo powder 30%~50%, Ni powder 10%~30%, above constituent mass percentage ratio sum is 100%.
The feature of the present invention also resides in,
Weldering skin is copper belt.
The purity of V powder is the purity of 99.99%, Mo powder is 99.95% for the purity of 99.94%, Ni powder.
The loading of this welding wire controls 15%~20%.
Another technical scheme of the present invention is, a kind of welding wire for welding titanium-steel composite board transition zone Preparation method, comprises the following steps that:
Step 1:Weigh respectively by mass percentage 30%~50% V powder, 30%~50% Mo powder and 10%~ 30% Ni powder, said components mass percent sum is 100%;
Step 2:V powder, Mo powder and Ni powder that step 1 is weighed are put in ball mill, are uniformly mixed after ball milling 8h Medicated core powder;It is placed in vacuum furnace and add, 200 DEG C of heating-up temperature, temperature retention time 2h, remove the crystallization in medicated powder Water;
Step 3:By flux-cored wire producing machine, the medicated powder of mix homogeneously is wrapped in copper belt, first drawing grinding tool Aperture is 2.6mm, before drawing flux-cored wire first procedure, copper belt acetone wiped clean;
Step 4:After first procedure drawing finishes, grinding tool aperture shift to successively 2.3mm, 2.0mm, 1.8mm, 1.6mm, 1.42mm, 1.34mm, 1.28mm, 1.24mm, final drawing flux-cored wire to a diameter of 1.2mm;
Step 5:After drawing welding wire finishes, the flux-cored wire cotton being moistened with acetone wipes the greasy dirt of top, final through around Silk machine is wrapped in flux-cored wire stand-by on wire reel.
The invention has the beneficial effects as follows, (1) flux-cored wire of the present invention diameter is smaller, and string diameter is the flux-cored wire of 1.2mm Widely applicable, this flux-cored wire both can adopt GTAW, can be used for non-melt pole inert gas-shielded arc welding again.
(2) V, Mo, Ni element is as flux-cored wire Chinese medicine powder major components, for melting TA1/Q235 composite plate, mistake The choosing crossing layer material is then most important with application.Consider from metallurgy action product, V element and Ti element can form continuous solid solution Body.Mo element can form solid solution with Ti element, and the addition of micro Mo element both can optimize transition layer tissue, and improve weld seam Obdurability, and because the fusing point of Mo element is high, the fusing point of flux-cored wire can be improved, be beneficial to the welding of follow-up titanium capping.Ni element Addition can change the spreadability to mother metal for the welding material, improve the forming quality of weld seam, and the high-temp plastic of Ni be higher than Mother metal, has certain promotion for the deflection reducing weldment.And Cu is non-carbide former, can with titanium and steel in Various elements all can form solid solution, plays a role for the formation reducing compound brittlement phase between transition metal.
(3) TA1-Q235 composite plate opens asymmetric double V groove, first welds steel at steel side slope mouth with ER50-6 steel welding wire Layer, then with the flux-cored wire of the present invention at Ti side slope mouth welding transition layer, finally use pure titanium welding wire welding titanium layer, gained welding Joint has excellent obdurability.
(4) flux-cored wire alloying element of the present invention is less, and preparation process is simple is convenient for large-scale mass production.
Brief description
Fig. 1 is TA1-Q235 explosive clad plate schematic diagram and microstructure morphology;
Fig. 2 is TA1-Q235 Explosion composite groove size schematic diagram;
Fig. 3 is TA1-Q235 Explosion composite groove wlding filling schematic diagram;
Fig. 4 is the flux-cored wire of embodiment 2 preparation, when titanium-steel composite board welds, transition zone, steel layer and titanium layer interface Microstructure morphology.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The present invention is used for welding the welding wire of titanium-steel composite board transition zone, and including medicated core and weldering skin, wherein medicated core presses quality hundred Divide than composed of the following components:V powder 30%~50%, purity 99.99%, Mo powder 30%~50%, purity 99.94%, Ni powder 10%~30%, purity 99.95%, above constituent mass percentage ratio sum is 100%, and the loading of this welding wire controls 15% ~20%.Weldering skin is copper belt, red copper tape thickness 0.3mm, width 7mm.
In this welding wire, the effect of each component and function are as follows:
When Cu element does transition zone in flux-cored wire, because Cu element does not form intermetallic compound fragility with basic unit steel Phase, and titanium steel composite board transition zone tissue topography can be changed.Cu, as intermediate layer, forms to titanium and ferrum element and changes between metal Compound has certain buffer action, and in weld seam, the intermetallic compounds layer of titanium and ferrum is by the intermetallic compound generation of titanium and copper Replace, so that the plasticity of weld seam and toughness is improved, due to titanium and copper intermetallic compound phase to softer so that in weld seam Thermal stress relatively reduce this to avoiding postwelding crackle to have certain benefit.The solid solution of Cu can interrupt between titanium and the metal of ferrum Compound, and the hardness of weld seam can be reduced.
V element as flux-cored wire Chinese medicine powder major components, for melting pure titanium TA1/Q235 pipeline steel composite board, mistake Selection and the application of crossing layer material are most important, consider from metallurgy action product, V element can the unlimited solid solution with Ti element, and Cu It is non-carbide former, limit solid solution can be formed with the various elements in Ti and steel, between reduction transition metal The formation of compound brittlement phase plays a role.
Mo element and Ti unit have certain dissolubility, and do not form the brittlement phase such as intermetallic compound, micro Mo element Addition both can optimize transition layer tissue, improve the obdurability of weld seam, and because the fusing point of Mo element is high, flux-cored wire can be improved Fusing point, be beneficial to the welding of follow-up titanium capping.The addition of Ni element can change the spreadability to mother metal for the welding material, improves The forming quality of weld seam, and the high-temp plastic of Ni is higher than mother metal, has certain promotion for the deflection reducing weldment.
For welding the preparation method of the welding wire of titanium-steel composite board transition zone, comprise the following steps that:
Step 1:Weigh the V powder of 30%-50%, the Mo powder of 30%-50% and 10%-30% by mass percentage respectively Ni powder, said components mass percent sum is 100%;
Step 2:V powder, Mo powder and Ni powder that step 1 is weighed are put in ball mill, are uniformly mixed after ball milling 8h Medicated core powder;It is placed on heating in vacuum furnace, 200 DEG C of heating-up temperature, temperature retention time 2h, purpose removes the knot in medicated powder Brilliant water;
Step 3:By flux-cored wire producing machine, the medicated powder of mix homogeneously is wrapped in copper belt, first drawing grinding tool Aperture is 2.6mm, before drawing flux-cored wire first procedure, copper belt acetone wiped clean;
Step 4:After first procedure drawing finishes, grinding tool aperture shift to successively 2.3mm, 2.0mm, 1.8mm, 1.6mm, 1.42mm, 1.34mm, 1.28mm, 1.24mm, final drawing flux-cored wire to a diameter of 1.2mm;
Step 5:After drawing welding wire finishes, the flux-cored wire cotton being moistened with acetone wipes the greasy dirt of top, final through around Silk machine is wrapped in flux-cored wire stand-by on wire reel.
Embodiment 1
Step 1:Weigh the Ni powder of 30% V powder, 50% Mo powder and 20%, said components matter by mass percentage respectively Amount percentage ratio sum is 100%;
Step 2:V powder, Mo powder and Ni powder that step 1 is weighed are put in ball mill, the medicine that ball milling 8h is uniformly mixed Core powder;It is placed in vacuum furnace and add, 200 DEG C of heating-up temperature, temperature retention time 2h, purpose removes the crystallization in medicated powder Water;
Step 3:By flux-cored wire producing machine, the medicated powder of mix homogeneously is wrapped in copper belt, first drawing grinding tool Aperture is 2.6mm, before drawing flux-cored wire first procedure, copper belt acetone wiped clean;
Step 4:After first procedure drawing finishes, grinding tool aperture shift to successively 2.3mm, 2.0mm, 1.8mm, 1.6mm, 1.42mm, 1.34mm, 1.28mm, 1.24mm, final drawing flux-cored wire to a diameter of 1.2mm;
Step 5:After drawing welding wire finishes, the flux-cored wire cotton being moistened with acetone wipes the greasy dirt of top, final through around Silk machine is wrapped in flux-cored wire stand-by on wire reel.
With the flux-cored wire (transition zone) of embodiment 1 preparation, coordinate pure titanium welding wire (titanium layer), and ER50-6 steel welding wire (steel Layer) weld titanium-steel (TA1-Q235) composite plate, TA1-Q235 explosive clad plate scale diagrams are as shown in Figure 1.Welding procedure For:Titanium-steel (TA1-Q235) composite plate opens asymmetric double-V groove (steel layer under, titanium layer is upper), and steel side bevel angle is 60 °, titanium side bevel angle is 100 °, and TA1-Q235 Explosion composite groove size and wlding fill schematic diagram such as Fig. 2 and Fig. 3 institute Show.Welding sequence is:Steel layer-transition zone-titanium layer;Steel layer adopts CO2Gas shielded arc welding, welding current is 200-230A, transition Using manual TIG weldering, welding current is 95-110A to layer, and titanium layer adopts automatic tungsten anode argon arc welding, and welding current is respectively:90- 120A.
After tested, joint mechanical property is:Tensile strength 412MPa, yield strength 362MPa, elongation after fracture 7%, breaks Face shrinkage factor 11%, room temperature impact work(19J.
Embodiment 2
Step 1:Weigh the Ni powder of 50% V powder, 40% Mo powder and 10%, said components matter by mass percentage respectively Amount percentage ratio sum is 100%;
Step 2:V powder, Mo powder and Ni powder that step 1 is weighed are put in ball mill, the medicine that ball milling 8h is uniformly mixed Core powder;It is placed in vacuum furnace and add, 200 DEG C of heating-up temperature, temperature retention time 2h, purpose removes the crystallization in medicated powder Water;
Step 3:By flux-cored wire producing machine mixing all and medicated powder be wrapped in copper belt, first drawing grinding tool Aperture is 2.6mm, before drawing flux-cored wire first procedure, copper belt acetone wiped clean;
Step 4:After first procedure drawing finishes, grinding tool aperture shift to successively 2.3mm, 2.0mm, 1.8mm, 1.6mm, 1.42mm, 1.34mm, 1.28mm, 1.24mm, final drawing flux-cored wire to a diameter of 1.2mm;
Step 5:After drawing welding wire finishes, the flux-cored wire cotton being moistened with acetone wipes the greasy dirt of top, final through around Silk machine is wrapped in flux-cored wire stand-by on wire reel.
With the flux-cored wire (transition zone) of embodiment 2 preparation, coordinate pure titanium welding wire (titanium layer), and ER50-6 steel welding wire (steel Layer) weld titanium-steel (TA1-Q235) composite plate, TA1-Q235 explosive clad plate scale diagrams are as shown in Figure 1.Welding procedure For:Titanium-steel (TA1-Q235) composite plate opens asymmetric double-V groove (steel layer under, titanium layer is upper), and steel side bevel angle is 60 °, titanium side bevel angle is 100 °, and TA1-Q235 Explosion composite groove size and wlding fill schematic diagram such as Fig. 2 and Fig. 3 institute Show.Welding sequence is:Steel layer-transition zone-titanium layer;Steel layer adopts CO2Gas shielded arc welding, welding current is 200-230A, transition Using manual TIG weldering, welding current is 95-110A to layer, and titanium layer adopts automatic tungsten anode argon arc welding, and welding current is respectively:90- 120A.
After tested, joint mechanical property is:Tensile strength 519MPa, yield strength 445MPa, elongation after fracture 8.5%, The contraction percentage of area 12%, room temperature impact work(33J.
Cu-V-Mo-Ni flux-cored wire that embodiment 2 prepares coordinate pure titanium welding wire and ER50-6 steel welding wire welding titanium- The deposited metal microstructure of steel composite board is shown in Fig. 4.Transition zone and cladding titanium and basic unit's steel be can be seen that from metallograph All reach metallurgical binding, molding is preferable.Observe from microstructure morphology, separated with melt run between zones of different tissue and tissue, Melt run is clear, does not find the common cracks such as crackle, pore near melt run.
Embodiment 3
Step 1:Weigh the Ni powder of 40% V powder, 30% Mo powder and 30%, said components matter by mass percentage respectively Amount percentage ratio sum is 100%;
Step 2:V powder, Mo powder and Ni powder that step 1 is weighed are put in ball mill, the medicine that ball milling 8h is uniformly mixed Core powder;It is placed in vacuum furnace and add, 200 DEG C of heating-up temperature, temperature retention time 2h, purpose removes the crystallization in medicated powder Water;
Step 3:By flux-cored wire producing machine mixing all and medicated powder be wrapped in copper belt, first drawing grinding tool Aperture is 2.6mm, before drawing flux-cored wire first procedure, copper belt acetone wiped clean;
Step 4:After first procedure drawing finishes, grinding tool aperture shift to successively 2.3mm, 2.0mm, 1.8mm, 1.6mm, 1.42mm, 1.34mm, 1.28mm, 1.24mm, final drawing flux-cored wire to a diameter of 1.2mm;
Step 5:After drawing welding wire finishes, the flux-cored wire cotton being moistened with acetone wipes the greasy dirt of top, final through around Silk machine is wrapped in flux-cored wire stand-by on wire reel.
With the flux-cored wire (transition zone) of embodiment 3 preparation, coordinate pure titanium welding wire (titanium layer), and ER50-6 steel welding wire (steel Layer) weld titanium-steel (TA1-Q235) composite plate, TA1-Q235 explosive clad plate scale diagrams are as shown in Figure 1.Welding procedure For:Titanium-steel (TA1-Q235) composite plate opens asymmetric double-V groove (steel layer under, titanium layer is upper), and steel side bevel angle is 60 °, titanium side bevel angle is 100 °, and TA1-Q235 Explosion composite groove size and wlding fill schematic diagram such as Fig. 2 and Fig. 3 institute Show.Welding sequence is:Steel layer-transition zone-titanium layer;Steel layer adopts CO2Gas shielded arc welding, welding current is 200-230A, transition Using manual TIG weldering, welding current is 95-110A to layer, and titanium layer adopts automatic tungsten anode argon arc welding, and welding current is respectively:90- 120A.
After tested, joint mechanical property is:Tensile strength 380MPa, yield strength 343MPa, elongation after fracture 6.2%, The contraction percentage of area 7%, room temperature impact work(11J.
Optimized when flux-cored wire medicated powder loading controls 15%~20%, mass percent be 50% V powder, In the case of 40% Mo powder and 10% Ni powder, welding titanium steel laminated composite plate can obtain that molding effect is best, defect Less and the preferable weld seam of mechanical property.

Claims (5)

1. a kind of welding wire for welding titanium-steel composite board transition zone is it is characterised in that include medicated core and weldering skin, wherein medicated core Composed of the following components by mass percentage:V powder 30%~50%, Mo powder 30%~50%, Ni powder 10%~30%, above group Mass percent sum is divided to be 100%.
2. the welding wire for welding titanium-steel composite board transition zone according to claim 1 is it is characterised in that weld Pi Weizi Copper strips.
3. the welding wire for welding titanium-steel composite board transition zone according to claim 1 is it is characterised in that the purity of V powder Purity for 99.99%, Mo powder is 99.95% for the purity of 99.94%, Ni powder.
4. the welding wire for welding titanium-steel composite board transition zone according to claim 1 is it is characterised in that this welding wire Loading controls 15%~20%.
5. a kind of preparation method of the welding wire for welding titanium-steel composite board transition zone is it is characterised in that comprise the following steps that:
Step 1:Weigh 30%~50% V powder, 30%~50% Mo powder and 10%~30% by mass percentage respectively Ni powder, said components mass percent sum is 100%;
Step 2:V powder, Mo powder and Ni powder that step 1 is weighed are put in ball mill, the medicated core being uniformly mixed after ball milling 8h Powder;It is placed in vacuum furnace and add, 200 DEG C of heating-up temperature, temperature retention time 2h, remove the water of crystallization in medicated powder;
Step 3:By flux-cored wire producing machine, the medicated powder of mix homogeneously is wrapped in copper belt, first drawing grinding tool aperture For 2.6mm, before drawing flux-cored wire first procedure, copper belt acetone wiped clean;
Step 4:After first procedure drawing finishes, grinding tool aperture shift to successively 2.3mm, 2.0mm, 1.8mm, 1.6mm, 1.42mm, 1.34mm, 1.28mm, 1.24mm, final drawing flux-cored wire to a diameter of 1.2mm;
Step 5:After drawing welding wire finishes, flux-cored wire wipes the greasy dirt of top with the cotton being moistened with acetone, finally through spiral filament forming machine Flux-cored wire is wrapped in stand-by on wire reel.
CN201611153155.4A 2016-12-14 2016-12-14 A kind of welding wire for welding titanium steel composite board transition zone and preparation method thereof Pending CN106475709A (en)

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CN107283087A (en) * 2017-07-31 2017-10-24 西安理工大学 Titanium copper steel composite board flux-cored wire used for welding and its welding groove form
CN107378305A (en) * 2017-07-31 2017-11-24 西安理工大学 Titanium-steel dissimilar metal plate sheet welding flux-cored wire and preparation method thereof
CN107984054A (en) * 2017-11-30 2018-05-04 钢铁研究总院 Transition zone welding material and its welding method are docked in titanium steel composite board melting welding
CN108067732A (en) * 2017-11-16 2018-05-25 西安建筑科技大学 A kind of method for inhibiting titanium-steel composite board Butt Joint transition zone crackle
CN108941976A (en) * 2018-09-26 2018-12-07 西安理工大学 TA1-Q345 middle layer welding wire and preparation and welding method
CN110744221A (en) * 2019-11-29 2020-02-04 西安理工大学 Welding wire for TA1-Cu-Q345 transition layer, method and groove form
CN111673311A (en) * 2020-05-19 2020-09-18 西安理工大学 Welding wire and method for TA1-Q235B intermediate layer welding and arcing position
CN111673310A (en) * 2020-05-19 2020-09-18 西安理工大学 Welding wire for TA1-Cu-Q345 transition layer, method and arc striking position
CN112658484A (en) * 2020-07-17 2021-04-16 中国石油大学(华东) Welding method of titanium steel bimetal composite plate
CN113145978A (en) * 2021-04-16 2021-07-23 鞍钢股份有限公司 Intermediate transition welding method for titanium steel composite plate
CN113510405A (en) * 2021-07-22 2021-10-19 内蒙古第一机械集团股份有限公司 Welding wire for welding titanium/steel dissimilar materials and manufacturing process thereof
CN113732563A (en) * 2021-08-19 2021-12-03 西安理工大学 Transition layer welding wire for preparing titanium-steel gradient composite material CMT and preparation method
CN114393309A (en) * 2022-01-11 2022-04-26 西安理工大学 Welding material and method for preparing titanium-steel gradient structure by compounding laser and electric arc
CN115055794A (en) * 2022-07-20 2022-09-16 中国船舶重工集团公司第七二五研究所 Welding method and welding joint for large-thickness composite steel plate for ship

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CN107378305A (en) * 2017-07-31 2017-11-24 西安理工大学 Titanium-steel dissimilar metal plate sheet welding flux-cored wire and preparation method thereof
CN107283087A (en) * 2017-07-31 2017-10-24 西安理工大学 Titanium copper steel composite board flux-cored wire used for welding and its welding groove form
CN108067732A (en) * 2017-11-16 2018-05-25 西安建筑科技大学 A kind of method for inhibiting titanium-steel composite board Butt Joint transition zone crackle
CN107984054A (en) * 2017-11-30 2018-05-04 钢铁研究总院 Transition zone welding material and its welding method are docked in titanium steel composite board melting welding
CN108941976A (en) * 2018-09-26 2018-12-07 西安理工大学 TA1-Q345 middle layer welding wire and preparation and welding method
CN110744221A (en) * 2019-11-29 2020-02-04 西安理工大学 Welding wire for TA1-Cu-Q345 transition layer, method and groove form
CN110744221B (en) * 2019-11-29 2021-08-06 西安理工大学 Welding wire for TA1-Cu-Q345 transition layer, method and groove form
CN111673310B (en) * 2020-05-19 2022-02-22 西安理工大学 Welding wire for TA1-Cu-Q345 transition layer and preparation method
CN111673311A (en) * 2020-05-19 2020-09-18 西安理工大学 Welding wire and method for TA1-Q235B intermediate layer welding and arcing position
CN111673310A (en) * 2020-05-19 2020-09-18 西安理工大学 Welding wire for TA1-Cu-Q345 transition layer, method and arc striking position
CN111673311B (en) * 2020-05-19 2022-02-25 西安理工大学 Welding wire for TA1-Q235B middle layer welding and preparation method
CN112658484A (en) * 2020-07-17 2021-04-16 中国石油大学(华东) Welding method of titanium steel bimetal composite plate
CN113145978A (en) * 2021-04-16 2021-07-23 鞍钢股份有限公司 Intermediate transition welding method for titanium steel composite plate
CN113510405A (en) * 2021-07-22 2021-10-19 内蒙古第一机械集团股份有限公司 Welding wire for welding titanium/steel dissimilar materials and manufacturing process thereof
CN113732563A (en) * 2021-08-19 2021-12-03 西安理工大学 Transition layer welding wire for preparing titanium-steel gradient composite material CMT and preparation method
CN114393309A (en) * 2022-01-11 2022-04-26 西安理工大学 Welding material and method for preparing titanium-steel gradient structure by compounding laser and electric arc
CN114393309B (en) * 2022-01-11 2024-06-11 宝鸡巨成钛业股份有限公司 Welding material and method for preparing titanium-steel gradient structure by compounding laser and electric arc
CN115055794A (en) * 2022-07-20 2022-09-16 中国船舶重工集团公司第七二五研究所 Welding method and welding joint for large-thickness composite steel plate for ship
CN115055794B (en) * 2022-07-20 2024-01-19 中国船舶重工集团公司第七二五研究所 Welding method and welding joint of marine large-thickness composite steel plate

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Application publication date: 20170308