Preparation method of welding material for fusion welding butt transition layer of titanium-steel clad plate

A technology of welding materials and composite plates, applied in the direction of welding/cutting medium/material, welding equipment, welding medium, etc., can solve the problem of welding materials without fusion welding butt joint titanium-steel composite plates, and facilitate large-scale mass production , low cost and simple preparation method

Active Publication Date: 2016-01-27
西安宝泰激光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a welding material for fusion welding butt joint transition layer of titanium-steel clad plate, which solves the problem that there is no welding material for fusion welding butt joint titanium-steel clad plate

Method used

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  • Preparation method of welding material for fusion welding butt transition layer of titanium-steel clad plate
  • Preparation method of welding material for fusion welding butt transition layer of titanium-steel clad plate
  • Preparation method of welding material for fusion welding butt transition layer of titanium-steel clad plate

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preparation example Construction

[0024] The preparation method of the welding material for the fusion welding butt joint transition layer of the above-mentioned titanium-steel clad plate, the specific operation steps are as follows:

[0025] Step 1, Smelting

[0026] Weigh the following pure metal powders by weight percentage: Mn3.15-3.35%, Cr18-27%, Cu0.01-0.015%, Ti0.35-0.55%, Co0.03-0.04%, Nb1.8-2.0% , Ta0.2-0.6%, the balance is Ni, put the Ni, Cr, Nb, Ta powder weighed above into the MgO crucible in the vacuum induction furnace for melting, and put the Cr, Nb, Ta powder in the center of the nickel powder After the metal powder in the furnace is completely melted into molten metal, it is refined at 1550°C for 20 minutes, then the temperature of the molten metal is lowered to 1540°C, filled with argon to make the furnace reach 300-380mmHg, and then the weighed Mn, Cu, Add Ti and Co into the molten metal in turn, and pour the molten metal into the ingot mold after stirring for 2 minutes. The pouring tempera...

Embodiment 1

[0032] Step 1, Smelting

[0033] Take the following pure metal powders by weight percentage: Mn3.15%, Cr18%, Cu0.01%, Ti0.35%, Co0.035%, Nb2.0%, Ta0.6%, and the balance is Ni; The Ni, Cr, Nb, and Ta powders weighed above are put into the MgO crucible in the vacuum induction melting furnace for melting, and the Cr, Nb, and Ta powders are placed in the center of the nickel powder; Refined at 1550°C for 20 minutes, then lowered the temperature of the molten metal to 1540°C, filled the furnace with argon to reach 300mmHg, then added the weighed Mn, Cu, Ti, and Co powders into the molten metal in sequence, stirred for 2 minutes, and dissolved the metal The molten metal is poured into the ingot mold, and the tapping temperature is 1540°C. During the pouring process, the temperature of the molten metal should be kept at 1540°C. At the same time, pay attention to the calm surface of the molten metal and uniform pouring. After the pouring is completed, the ingot mold should be stored i...

Embodiment 2

[0040] Step 1, Smelting

[0041] Take the following pure metal powders by weight percentage: Mn3.20%, Cr21%, Cu0.012%, Ti0.35%, Co0.03%, Nb1.95%, Ta0.5%, and the balance is Ni. The Ni, Cr, Nb, and Ta powders weighed above are put into the MgO crucible in the vacuum induction melting furnace for melting, and the Cr, Nb, and Ta powders are placed in the center of the nickel powder; Refining at ℃ for 20min, then lowering the temperature of the molten metal to 1540℃, filling the furnace with argon to make the furnace reach 350mmHg, then adding the weighed Mn, Cu, Ti, Co powders into the molten metal in turn, stirring for 2min, and dissolving the molten metal Pouring into the ingot mold, the pouring temperature is 1540°C, the temperature of the molten metal should be kept at 1540°C during the pouring process, and the surface of the molten metal should be kept calm, and the pouring should be uniform. Take out the ingot and cool it to room temperature. During the smelting process, t...

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Abstract

The invention provides a welding material for a butt fusion welding transition layer of a titanium-steel composite board and a preparation method of the welding material. The welding material comprises the components in percentage by weight as follows: 3.15%-3.35% of Mn, 18%-27% of Cr, 0.01%-0.015% of Cu, 0.35%-0.55% of Ti, 0.03%-0.04% of Co, 1.8%-2.0% of Nb, 0.2%-0.6% of Ta, smaller than or equal to 0.02% of C, smaller than or equal to 0.025% of Si, smaller than or equal to 0.002% of P, smaller than or equal to 0.75% of Fe and the balance of Ni, wherein the sum of the weight percentages of the components is 100%. The diameter of the welding material is small, weld microstructures of a titanium layer and a steel layer of the titanium-steel composite board can be effectively connected through manual TIG (tungsten inert gas) welding or MIG (metal inert gas) welding, butt fusion welding of the titanium-steel composite board is realized, and a welded joint has excellent strength and toughness; and the welding material is simple in preparation method, low in cost and suitable for batch production.

Description

technical field [0001] The invention belongs to the technical field of metal material welding, and in particular relates to a welding material for fusion welding butt joint transition layers of titanium-steel composite plates, and also relates to a preparation method of the welding material. Background technique [0002] Titanium-steel explosive rolling clad plate is a new bimetal structure composite material, which combines the advantages of titanium and steel, and has both the excellent corrosion resistance of titanium and the high strength and toughness of steel. In recent years, the composite panel has been gradually reused in core large pressure vessels and oil and gas transportation pipelines, which not only solves the problem that a single steel is easily corroded, but also solves the problem of high cost of using a single corrosion-resistant material. However, due to the large difference in physical and chemical properties of titanium and iron elements, highly brittl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K35/30B23K35/40
CPCB23K35/304B23K35/40B23K2101/18B23K2103/24
Inventor 张敏吴伟刚史倩茹井强汪强褚巧玲李继红
Owner 西安宝泰激光科技有限公司
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