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Explosive welding process for super-long and super-wide composite boards

A technology of explosive welding and composite plates, which is applied in welding equipment, welding/welding/cutting items, manufacturing tools, etc., can solve the problems of low local bonding strength and missing edges, etc., to eliminate edge missing and improve interface bonding Strength, the effect of high interfacial bond strength

Inactive Publication Date: 2011-11-16
舞钢神州重工金属复合材料有限公司
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Problems solved by technology

[0004] Aiming at the deficiencies of the super-long and ultra-wide TA2 and Q345R composite plates in the explosive welding process, such as missing edges or low local bonding strength, the present invention provides a high bonding strength, tight welding, stable structure, Explosive welding process for super-long and super-wide composite plates with simple process and low cost

Method used

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  • Explosive welding process for super-long and super-wide composite boards
  • Explosive welding process for super-long and super-wide composite boards

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Embodiment Construction

[0026] Such as figure 1 As shown, a super-long and super-wide composite plate explosive welding process, the process steps are as follows:

[0027] 1) Substrate treatment: Substrate 5 is selected as Q345R low-alloy steel plate with a thickness of 40mm, a width of 4060mm, and a length of 8060mm. The substrate is annealed to eliminate its internal stress and improve its shape. The annealing temperature is 670° C. to 690° C. and the holding time is 80 minutes to 100 minutes. After the annealing treatment, level the substrate. The leveling standard is that the vertical and horizontal flatness of the board surface is ≤8mm, and then the leveled substrate is ground and polished until the roughness of the surface to be bonded is Ra≤0.0032mm;

[0028] 2) Doubler board treatment: Choose doubler board 4 as TA2 board, with a thickness of 6 mm to 8 mm, a width of 4100 mm, and a length of 8100 mm. The double boards are spliced ​​according to the specified size, and after the splicing is c...

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Abstract

The invention relates to an explosive welding process for super-long and super-wide composite boards, and provides a method which is convenient, economical and piratical, wherein an explosive is distributed in a three-section different-explosion-velocity manner and compacted at periphery; therefore, the explosive welding of super-long and super-wide TA2 / Q345R is realized, the problems that the side of the composite board is not composited or the bond strength of part of the composite board is too low in the explosive welding process of the super-long and super-wide TA2 / Q345R composite board are solved, and the requirement of our equipment manufacture industry on the super-long and super-wide TA2 / Q345R composite board is satisfied.

Description

technical field [0001] The invention relates to the field of explosive welding metal composite board manufacturing, in particular to an explosive welding process for super-long and super-wide composite boards that utilizes explosive energy to form super-long and super-wide TA2 and Q345R materials into a solid-phase combination. Background technique [0002] Explosive welding technology is a high-quality metallurgical technology that uses the huge energy generated by the explosion of explosives to cause strong plastic deformation of different metals under high temperature, high pressure and high impact, and realizes the combination of different metal materials. With the advantages of multiple combinations, high bonding strength, low cost, and high welding efficiency, it has been more and more widely used in the fields of chemical industry, medicine, aerospace, defense industry, and nuclear energy. [0003] However, with the rapid development of my country's industrial equipme...

Claims

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Application Information

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IPC IPC(8): B23K20/08B23K103/24
Inventor 侯国亭
Owner 舞钢神州重工金属复合材料有限公司
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