A kind of preparation method of fine-grained magnesium alloy plate
A magnesium alloy plate and fine-grained technology, which is applied in the field of preparation of fine-grained magnesium alloy plate, can solve the problems of high cost, low hardness, poor corrosion resistance, etc., and achieve accurate and detailed data, dense metallographic structure, and good uniformity Effect
Inactive Publication Date: 2016-01-06
TAIYUAN UNIV OF TECH
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[0002] Magnesium alloy sheet is a non-ferrous light metal structural material, which has been widely used in the fields of electronics, aerospace, aviation, and instrumentation industries. However, due to the strength, low hardness, poor plasticity, and poor corrosion resistance of magnesium alloy sheets, magnesium alloy sheets The application of the board has been greatly limited
[0003] At present, there are many forms of enhanced processing of magnesium alloy sheets, such as casting rolling method, metal infiltration method, doping ceramic material method, heat treatment method, and equal channel deformation extrusion method, so that magnesium alloy sheets can obtain better mechanical properties. Due to different process forms and different uses, there are also large differences and deficiencies in the enhanced processing of magnesium alloy plates, such as uneven metallographic structure, high brittleness, complicated process, and high cost, which cannot meet the needs of the industry. The use requirements of magnesium alloy plates, there are more reinforcement technologies that need to be further explored
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[0055] The present invention will be further described below in conjunction with accompanying drawing:
[0056] figure 1 As shown in the figure, it is the rolling state diagram of magnesium alloy plate. The position of each part must be correct, set according to the quantity, and operate in sequence.
[0057] The amount of the chemical substance used in the preparation is determined according to a preset range, with millimeters and milliliters as measurement units.
[0058] The rolling of the magnesium alloy plate is carried out on a rolling mill, which is completed in the process of heating, pressing and deformation;
[0059] The rolling mill is vertical, and the electric control box 1 of the rolling mill is equipped with a rolling display screen 2, a rolling indicator light 3, a rolling power switch 4, an upper roll rotation controller 5, a lower roll rotation controller 6, and an upper roll heating Controller 17, lower roll heating controller 18; the upper left part of t...
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Abstract
The invention relates to a preparation method of a fine-grained magnesium alloy plate. Aiming at the low strength and plasticity of the magnesium alloy plate, the magnesium alloy plate is rolled and deformed, and the static recrystallization of the deformed structure induced by an electric pulse current is adopted. The plate is processed to make the metallographic structure of the magnesium alloy plate dense and the grains refined, which greatly improves the strength and plasticity of the magnesium alloy plate. This preparation method has advanced technology, accurate and detailed data, and the grain size of the metallographic structure is ≤5μm. The uniformity is good, the tensile strength reaches 295MPa, and the elongation reaches 22%, which is a very ideal method for preparing fine-grained magnesium alloy plates.
Description
technical field [0001] The invention relates to a preparation method of a fine-grained magnesium alloy plate, which belongs to the technical field of plastic deformation and enhanced mechanical properties of non-ferrous metal plates. Background technique [0002] Magnesium alloy sheet is a non-ferrous light metal structural material, which has been widely used in the fields of electronics, aerospace, aviation, and instrumentation industries. However, due to the strength, low hardness, poor plasticity, and poor corrosion resistance of magnesium alloy sheets, magnesium alloy sheets The application of the board has been greatly limited. [0003] At present, there are many forms of enhanced processing of magnesium alloy sheets, such as casting rolling method, metal infiltration method, doping ceramic material method, heat treatment method, and equal channel deformation extrusion method, so that magnesium alloy sheets can obtain better mechanical properties. Due to different pro...
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IPC IPC(8): C22F3/00C22F1/06
Inventor 樊建锋张华靳伟刘阳董洪标许并社
Owner TAIYUAN UNIV OF TECH
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