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Method for continuous production of magnesium alloy strip basal plane texture through corrugated pre-rolling weakening

A magnesium alloy plate and corrugation technology, applied in the field of magnesium alloy rolling, can solve the problems of low yield, high cost, long process, etc., and achieve the effect of improving mechanical properties and room temperature forming ability

Inactive Publication Date: 2020-01-10
TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] After being limited by the various aspects of the above-mentioned thermoforming process, it is expected to obtain a continuous production, simple process, high productivity, and weak base surface texture strength to solve the limitations of long process, high cost, low productivity, and low yield. Magnesium alloy strip, the high-quality magnesium alloy strip obtained by this process meets the above requirements

Method used

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  • Method for continuous production of magnesium alloy strip basal plane texture through corrugated pre-rolling weakening
  • Method for continuous production of magnesium alloy strip basal plane texture through corrugated pre-rolling weakening
  • Method for continuous production of magnesium alloy strip basal plane texture through corrugated pre-rolling weakening

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Embodiment Construction

[0028] The description is better understood and described through the following specific examples. The described examples are only some of the examples of the present invention, not all of them, but they do not limit the present invention.

[0029] Such as figure 1 As shown, the present invention provides a method for corrugated pre-rolling to weaken the continuous production of the base surface texture of magnesium alloy strips, and its specific implementation steps are as follows:

[0030] (1) The as-cast AZ31 magnesium alloy is placed in a holding furnace and heated to 400°C and held for 1 hour for homogenization treatment, and the obtained plate is used as a test piece;

[0031] (2) The test strip obtained in (1) is first pre-rolled with 50% of the corrugated deformation, so as to promote the formation of regular local plastic deformation on the upper and lower surfaces of the plate, and obtain the pre-rolled AZ31 plate with corrugated appearance ;

[0032] (3) Use corru...

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Abstract

The invention belongs to the technical field of metal machining, and discloses a method for continuously producing of magnesium alloy strip basal plane texture through corrugated pre-rolling weakening. The method comprises the following steps that firstly, the method is used for carrying out corrugated rolling on the magnesium alloy strip, local strain is introduced, and the subsequent traditionalflat binding is carried out. The rolling process of the method comprises the following steps of (1) enabling the original magnesium alloy strip to pass through a corrugated roller, and rolling the original magnesium alloy strip into a wavy shape; and (2) enabling a corrugated strip to bite into a subsequent flat roller, and rolling the corrugated strip into a flat strip with the required thickness through the flat roller. The magnesium alloy strip prepared by the method has the advantages that the Schmid factor of the magnesium alloy strip is increased, the activity of the non-basal plane sliding system including the mechanical twin crystal is remarkably promoted, continuous arc grooves of the magnesium alloy strip can control the evolution of tissue and texture, the elongation at break is improved, the texture strength of the basal plane is weakened, and the comprehensive performance required by production is met. In addition, the forming rate of the magnesium alloy cold strip is improved, the process is simple, and the rolling productivity of equipment is high.

Description

technical field [0001] The invention belongs to the technical field of magnesium alloy rolling, and in particular relates to a method for corrugated pre-rolling to weaken the base surface texture of magnesium alloy strips for continuous production. Background technique [0002] Magnesium and magnesium alloys are the lowest density alloy structural material. Compared with other metal structural materials, magnesium and magnesium alloys have the advantages of high specific strength and specific stiffness, good thermal conductivity, good shock absorption, strong electromagnetic shielding and radiation resistance, easy cutting and processing, and easy recycling. With the development in recent years, magnesium alloys have been widely developed and utilized in the fields of automobiles, electronics, etc., and even used in more important aerospace and military occasions, especially deformed magnesium alloy materials, because of their excellent comprehensive properties. It has a ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/06B21B3/00
CPCB21B3/00C22F1/06
Inventor 支晨琛马立峰刘鹏涛贾伟涛马自勇黄志权朱艳春
Owner TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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