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Uniform post-processing method of steel-aluminium 28 lead solid liquid phase composite board

A solid-liquid phase, composite plate technology, applied in the field of interfacial shear strength after rolling at room temperature, can solve the problem of large difference in transverse interfacial shear strength, and achieve the effect of reducing the difference in shear strength

Inactive Publication Date: 2011-04-13
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of the existing steel-aluminum 28 lead-solid-liquid phase composite plate room temperature rolling post-treatment method "large difference in transverse interface shear strength", and provide a method that can improve the steel-aluminum 28 lead-solid A post-processing method for the uniformity of the shear strength distribution of the transverse interface of the liquid phase composite plate to further reduce the difference in the shear strength of the transverse interface of the composite plate

Method used

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Embodiment Construction

[0008] A uniform post-processing method for steel-aluminum-28-lead solid-liquid phase composite plate, at room temperature, on a precision rolling mill, for steel-aluminum-28 lead composed of 1.2mm thick 08Al steel plate and 2.0mm thick aluminum 28 lead cladding The solid-liquid phase composite plate is subjected to a post-rolling treatment of two passes with a total reduction rate of 3%, and the large difference in the lateral deformation of the aluminum 28 lead cladding produced by the post-rolling treatment with a large reduction rate in a single pass, Decompose and coordinate the small difference in the lateral deformation of the aluminum 28 lead cladding caused by the post-processing of the second-pass small reduction rate rolling, thereby further reducing the difference in shear strength of the transverse interface of the composite plate and improving the solidity of the steel aluminum 28 lead. Uniform distribution of interfacial shear strength in liquid phase composite p...

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Abstract

The present invention discloses a uniform post-processing method of steel-aluminium 28 lead solid liquid phase composite board, belonging to the researching field of interface shearing strength room temperature rolling post-process of steel-aluminium 28 lead solid liquid phase composite board; the method of the present invention carries through twice pass rolling processes with a total down rate and 3% and a down rate proportion of a first pass and a second pass at 7:1-3:1 for the steel-aluminium 28 lead solid liquid phase composite board composed of a 08A1 steel plate 1.2mm in thickness and an aluminium 28 lead covering layer with 2.0mm in thickness under room temperature and on a precise rolling mill; the difference value of transverse interface shearing strength of composite board can be reduced within 2.6MPa.

Description

technical field [0001] The invention relates to a post-treatment method of rolling at room temperature for the interface shear strength of a steel-aluminum-28-lead solid-liquid phase composite plate. Background technique [0002] Publication No.: CN1710114A, Invention Name: "A post-treatment method for steel-backed aluminum-based solid-liquid phase composite plate", described the room temperature rolling post-treatment method for steel-backed aluminum-based solid-liquid phase composite plate, that is, at room temperature Next, in the precision rolling mill, the steel-backed aluminum-based solid-liquid phase composite plate is subjected to post-rolling treatment, and the difference in deformation between the aluminum-based cladding and the steel back produced by the rolling treatment is used to compensate for the deformation of the aluminum-based composite plate during the composite solidification and cooling process. The difference in shrinkage between the cladding and the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D7/02
Inventor 杜云慧张鹏刘汉武张君姚莎莎郝志强刘伟
Owner BEIJING JIAOTONG UNIV