A kind of preparation method of quasicrystal reinforced magnesium matrix composite material
A composite material and reinforced technology, applied in casting molding equipment, cores, molds, etc., can solve the problems of low elongation, low tensile strength, and high specific strength, and achieve advanced technology, accurate and detailed data, and process. tight effect
Active Publication Date: 2019-10-15
KANG MEI TECH DEV
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[0002] Magnesium alloy is an alloy composed of magnesium and other elements. It is characterized by low density, high specific strength, large specific elastic modulus, good heat dissipation, good shock resistance, and greater impact load capacity than aluminum alloys; it is currently the most widely used Magnesium-aluminum alloys are the most popular, followed by magnesium-manganese alloys and magnesium-zinc-zirconium alloys, which are mainly used in aviation, aerospace, electronics, transportation, chemical, rocket and other industrial sectors; magnesium is the lightest metal, and its density is 2 / that of aluminum. 3. It is 1 / 4 of iron; it is the lightest metal among practical metals; but magnesium alloy has low hardness, low tensile strength and low elongation, which hinders the application of magnesium alloy in structural materials, so it is often used Adding reinforcement phase to prepare magnesium matrix composites to improve the mechanical properties of magnesium alloys
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[0063] The present invention will be further described below in conjunction with accompanying drawing:
[0064] figure 1 As shown, it is the extrusion state diagram of the quasi-crystal reinforced magnesium-based composite material, and the positions of each part must be correct and operated in sequence.
[0065] Quantities of chemicals used in preparation are determined in pre-set ranges in grams, milliliters, centimeters 3is the unit of measurement.
[0066] The extrusion of the quasi-crystalline reinforced magnesium-based composite material is carried out on an extruder, and the hydraulic extruder is vertical. The base 15 is at the bottom of the hydraulic extruder 6, and the top seat 16 is at the top of the base 15. Place extrusion die 13 vertically on 10, and be fixed by lower fixing plate 11, lower screw 12; Be provided with heating coil 14 outside die 13; The lower part communicates with the auxiliary oil cylinder 9; the punch 5 is installed on the top base 16, and is...
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Abstract
The invention relates to a preparation method of a quasi crystal enhanced type magnesium-based composite material and directs at the conditions that a magnesium-based material is low in hardness and tensile strength. A magnesium alloy serves as a base body, magnesium-zinc-yttrium quasi crystals serve as an enhancing agent, and the quasi crystal enhanced type magnesium-based composite material is prepared through smelting in a vacuum smelting furnace, semi-solid casting and extrusion forming. The preparation method is advanced in process and strict in procedure, data are accurate and detailed,the hardness of the prepared quasi crystal enhanced type magnesium-based composite material reaches 88.9 HV, the tensile strength reaches 235 MPa, the elongation percentage is 10.5%, and the preparation method is an advanced preparation method of the quasi crystal enhanced type magnesium-based composite material.
Description
technical field [0001] The invention relates to a preparation method of a quasi-crystal reinforced magnesium-based composite material, which belongs to the technical field of preparation and application of nonferrous metal materials. Background technique [0002] Magnesium alloy is an alloy composed of magnesium and other elements. It is characterized by low density, high specific strength, large specific elastic modulus, good heat dissipation, good shock resistance, and greater impact load capacity than aluminum alloys; it is currently the most widely used Magnesium-aluminum alloys are the most popular, followed by magnesium-manganese alloys and magnesium-zinc-zirconium alloys, which are mainly used in aviation, aerospace, electronics, transportation, chemical, rocket and other industrial sectors; magnesium is the lightest metal, and its density is 2 / that of aluminum. 3. It is 1 / 4 of iron; it is the lightest metal among practical metals; but magnesium alloy has low hardnes...
Claims
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IPC IPC(8): C22C1/03C22C23/04B22D18/02B22C3/00
Inventor 赵宇宏王冰孙远洋侯华
Owner KANG MEI TECH DEV
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