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Preparation method of magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material

A composite material, boron carbide technology, used in casting molding equipment, molds, cores, etc., can solve the problems of low tensile strength, poor corrosion resistance, low density and specific strength, etc., to achieve strict procedures, advanced technology, data Precise and detailed effects

Active Publication Date: 2018-08-31
ZHONGBEI UNIV
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Problems solved by technology

[0002] Magnesium alloy materials have the characteristics of low density, high specific strength, good vibration resistance, strong electromagnetic shielding ability and easy processing, and have been widely used in automotive and aerospace fields; but magnesium alloys have low hardness, low tensile strength and poor corrosion resistance , limiting the application of magnesium alloys in industrial fields

Method used

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  • Preparation method of magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material
  • Preparation method of magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material
  • Preparation method of magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material

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Embodiment Construction

[0060] The present invention will be further described below in conjunction with accompanying drawing:

[0061] figure 1As shown in the figure, it is the smelting state diagram of magnesium-based composite materials. The position and connection relationship of each part must be correct, and the proportion should be adjusted according to the quantity, and the operation should be carried out in sequence.

[0062] The amount of chemical substances used in the preparation of smelting is determined according to the preset range, in grams, milliliters, centimeters 3 is the unit of measurement.

[0063] The melting of magnesium-based composite materials is carried out in a vacuum intermediate frequency induction melting furnace, which is completed in intermediate frequency induction heating, argon bottom blowing and mechanical stirring.

[0064] The vacuum intermediate frequency induction melting furnace is vertical, the bottom of the vacuum intermediate frequency induction melting...

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Abstract

The invention relates to a preparation method of a magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material. The magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material is prepared by taking a magnesium alloy as a substrate and taking endogenous quasi-crystal magnesium-zinc-yttrium and boron carbideas a strengthening phase through the steps of smelting in a vacuum intermediate-frequency induction smelting furnace, argon bottom blowing, mechanical stirring, squeeze casting and heat treating for the condition that a magnesium-based composite material is poor in mechanical property. According to the preparation method, the technology is advanced, the processes are strict, data are precise and full and accurate, the tensile strength of the prepared magnesium-based composite material reaches 315 MPa, the elongation of the prepared magnesium-based composite material reaches 7%, the hardness ofthe prepared magnesium-based composite material reaches 108 Hv, and the preparation method is an advanced preparation method for the magnesium-zinc-yttrium quasi-crystal and boron carbide mixing enhanced magnesium-based composite material.

Description

technical field [0001] The invention relates to a preparation method of magnesium-zinc-yttrium quasicrystal and boron carbide mixed reinforced magnesium-based composite material, which belongs to the technical field of preparation and application of non-ferrous metal materials. Background technique [0002] Magnesium alloy materials have the characteristics of low density, high specific strength, good vibration resistance, strong electromagnetic shielding ability and easy processing, and have been widely used in automotive and aerospace fields; but magnesium alloys have low hardness, low tensile strength and poor corrosion resistance , limiting the application of magnesium alloys in the industrial field. [0003] Quasicrystal has high hardness, high elastic modulus, low expansion coefficient and good corrosion resistance, which is very suitable as a strengthening phase of magnesium alloy, which can effectively improve the mechanical properties of magnesium alloy; boron carbi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/10C22C23/04C22C32/00B22D18/02B22C3/00C22F1/06C22F1/02
CPCB22C3/00B22D18/02C22C1/1036C22C23/04C22C32/0057C22F1/002C22F1/02C22F1/06C22C1/1073C22C49/02C22C49/14C22C1/1052C22C1/1047
Inventor 赵宇宏文志勤郭慧俊侯华田晋忠
Owner ZHONGBEI UNIV
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