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Uniform post-processing method of steel zinc 3.5 boron nitride solid-liquid composite plate

A boron nitride solid-liquid, 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 transverse interfacial shear strength

Inactive Publication Date: 2012-07-11
BEIJING JIAOTONG UNIV
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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-zinc 3.5 boron nitride 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 strength of steel-zinc 3.5 A post-processing method for the uniformity of the shear strength distribution of the transverse interface of the boron nitride solid-liquid phase composite plate, further reducing the difference in the shear strength of the transverse interface of the composite plate

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment approach 2

[0010] Embodiment 2, for the steel-zinc 3.5 boron nitride solid-liquid phase composite plate, carry out the second-pass room-temperature rolling post-treatment in which the pass reduction ratio of the first pass and the second pass is 1:2, and after the composite The interfacial shear strength difference in the transverse direction of the plate is 1.7 MPa.

[0011] Embodiment 3, for the steel-zinc 3.5 boron nitride solid-liquid phase composite plate, carry out the second-pass room-temperature rolling post-treatment in which the pass reduction ratio of the first pass and the second pass is 1:1. The interfacial shear strength difference in the transverse direction of the plate is 1.6 MPa.

[0012] Embodiment 4: For the steel-zinc 3.5 boron nitride solid-liquid phase composite plate, carry out the second-pass room temperature rolling post-treatment in which the pass reduction ratio of the first pass and the second pass is 4:3. The interfacial shear strength difference in the tra...

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Abstract

The invention discloses a uniform post-processing method of a steel zinc 3.5 boron nitride solid-liquid composite plate, belonging to the field of interface shear strength room temperature rolling post-processing researches of the steel zinc 3.5 boron nitride solid-liquid composite plates. In the invention, a steel zinc 3.5 boron nitride solid-liquid composite board consisting of a 08AL steel plate of 1.2mm in thickness and a zinc 3.5 boron nitride coating of 3.0mm in thickness is subjected to two-pass rolling treatments on a precise rolling mill at room temperature, wherein the total down rate is 2.2 percent, and the down rate of the first-pass rolling treatment to the first-pass rolling treatment is (1:2.5)-(3:2), thus the transverse shear strength difference value of the composite plate can be reduced to below 1.8MPa.

Description

technical field [0001] The invention relates to a post-treatment method of rolling at room temperature for the interfacial shear strength of a steel-zinc 3.5 boron nitride 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 a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D7/02
Inventor 杜云慧张鹏刘汉武
Owner BEIJING JIAOTONG UNIV