Uniform post-treatment method for steel aluminum 5 graphite solid-liquid phase composite board
A composite plate, solid-liquid phase technology, applied in the field of post-treatment of interface shear strength room temperature rolling, can solve the problem of large difference in transverse interface shear strength, and achieve the effect of reducing the difference in shear strength
Inactive Publication Date: 2012-08-08
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 deficiency of the existing steel-aluminum-5-graphite solid-liquid phase composite plate post-treatment method of rolling at room temperature "the difference in transverse interface shear strength is large", and to provide a method that can improve the steel-aluminum-5-graphite solid-liquid phase composite plate. 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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Experimental program
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Embodiment Construction
[0008] A uniform aftertreatment method for steel-aluminum-graphite solid-liquid phase composite plate, at room temperature, on a precision rolling mill, for steel-aluminum-graphite composed of 1.2mm thick 08A1 steel plate and 1.5mm thick aluminum-5-graphite coating The solid-liquid phase composite plate is subjected to a post-rolling treatment of two passes with a total reduction rate of 1.6%, and the large difference in the lateral deformation of the aluminum-5-graphite coating produced by the single-pass high-reduction rate rolling post-treatment, Decompose and coordinate the small difference in the lateral deformation of the aluminum-5-graphite cladding produced by the second-pass small-reduction rolling post-processing, thereby further reducing the difference in shear strength at the transverse interface of the composite plate and improving the solidity of the steel-aluminum-5-graphite. Uniform distribution of interfacial shear strength in liquid phase composite plates.
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The invention discloses a uniform post-treatment method for a steel aluminum 5 graphite solid-liquid phase composite board, and belongs to the field of the research of room temperature rolling post-treatment of interfacial shear strength of steel aluminum 5 graphite solid-liquid phase composite boards. The two-pass rolling treatment that the total reduction ratio is 1.6 percent and the proportionof pass reduction ratios of a first pass and a second pass is (1:5)-(1:2) is performed on the steel aluminum 5 graphite solid-liquid phase composite board formed by a 08A1 steel plate with the thickness of 1.2mm and an aluminum 5 graphite cladding layer with the thickness of 1.5mm on a precision rolling mill at room temperature. The difference value of transverse interfacial shear strength of thecomposite board can be reduced to be less than 2.2MPa.
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-aluminum-5-graphite 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 ...
Claims
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IPC IPC(8): C21D7/02
Inventor 杜云慧张鹏刘汉武
Owner BEIJING JIAOTONG UNIV