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Preparation method of nanoscale silicon carbide magnesium alloy material

A technology of nano-scale silicon carbide and silicon-magnesium carbide, which is applied in metal processing equipment, transportation and packaging, etc., can solve problems such as unsatisfactory performance, and achieve the effect of improving corrosion resistance and ductility

Active Publication Date: 2013-09-25
SUZHOU RICHMOND ADVANCED MATERIAL TECH TRANSFER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in terms of special applications, its performance is difficult to meet, such as aerospace and other high-tech fields, which require lightweight materials for noise absorption, shock absorption, and radiation protection.

Method used

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  • Preparation method of nanoscale silicon carbide magnesium alloy material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of preparation method of nanoscale silicon carbide magnesium alloy material:

[0025] Step 1: Ingredients: Weigh 1% of the total weight of nano-scale silicon carbide, 10% of the total weight of aluminum ingots, 1.2% of the total weight of zinc ingots, and 0.05% of the total weight of manganese ingots And magnesium ingots accounting for 87.75% of the total weight.

[0026] Step 2: Melting: Place the crucible in a gradient electric furnace, slowly adjust the voltage and preheat the surface of the crucible to remove impurities. The preheating temperature is 500°C; place the magnesium ingot in the crucible and slowly heat the magnesium The ingot melts slowly, the melting time is 1.5-2 hours, and the temperature is 700°C; after the magnesium ingot is completely melted, it is filled with inert gas, and after the temperature is raised to 760°C, add the aluminum ingot, zinc ingot and manganese ingot, and start the vibration Set it up for 15-20 minutes to form a fully fu...

Embodiment 2

[0033] A kind of preparation method of nanoscale silicon carbide magnesium alloy material:

[0034] Step 1: Ingredients: Weigh 1.5% of the total weight of nano-scale silicon carbide, 11.5% of the total weight of aluminum ingots, 1.8% of the total weight of zinc ingots, and 0.25% of the total weight of manganese ingots And magnesium ingots accounting for 84.95% of the total weight, and powdered aluminum ingots and zinc ingots.

[0035] Step 2: Melting: The crucible is placed in a power frequency electric furnace with gradients, the voltage is slowly adjusted and the surface of the crucible is preheated to remove impurities. The preheating temperature is 500°C; the magnesium ingot is placed in the crucible and slowly heated to make the magnesium The ingot melts slowly, the melting time is 1.5-2 hours, and the temperature is 700°C; after the magnesium ingot is completely melted, it is filled with an inert gas, and after the temperature is raised to 760°C, the above-mentioned powd...

Embodiment 3

[0042] A kind of preparation method of nanoscale silicon carbide magnesium alloy material:

[0043] Step 1: Ingredients: Weigh 1% of the total weight of nano-scale silicon carbide, 11.5% of the total weight of aluminum ingots, 1.5% of the total weight of zinc ingots, and 0.16% of the total weight of manganese ingots And magnesium ingots accounting for 85.84% of the total weight, and powdered aluminum ingots, zinc ingots and manganese ingots;

[0044] Step 2: Melting: The crucible with a capacity of 50 kg is placed in a gradient electric furnace with a capacity of 1500 mm in length x 1500 mm in width x 1000 mm in height. Slowly adjust the voltage and preheat the surface of the crucible to remove impurities. The preheating temperature is 500°C; the magnesium ingot is placed in the crucible and slowly heated to melt the magnesium ingot slowly. The melting time is 1.5-2 hours and the temperature is 700°C. °C; after the magnesium ingot is completely melted, fill it with inert gas,...

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Abstract

The invention provides a preparation method of a nanoscale silicon carbide magnesium alloy material. The nanoscale silicon carbide magnesium alloy material is prepared by uniformly dispersing and distributing a light nanoscale silicon carbide material through particle fine treatment in the magnesium alloy material. The nanoscale silicon carbide magnesium alloy material comprises the following components in percentage by weight: 1-1.5% of nanoscale silicon carbide, 10-11.5% of aluminum, 1.1-1.8% of zinc, 0.05-0.2% of manganese, less than or equal to 0.2% of inevitable impurities, and the balance of magnesium. According to the preparation method of the nanoscale silicon carbide magnesium alloy material provided by the invention, higher solid solubility is formed in a magnesium alloy substrate by means of characteristics of high hardness and wear resistance and the like of nanoscale silicon carbide, so that the stretching and compressing yield strength is enhanced while the welding performance, corrosion resistance and malleability of the nanoscale magnesium alloy material are ensured.

Description

technical field [0001] The invention relates to a preparation method of a nanoscale silicon carbide magnesium alloy material and the nanoscale silicon carbide magnesium alloy material prepared according to the method. Background technique [0002] Nano-scale silicon carbide (SiC) is a nano-material prepared on the basis of ordinary silicon carbide materials through certain technical conditions. Nanoscale silicon carbide has high purity, small particle size, uniform distribution, large specific surface area, high surface activity, low bulk density, excellent mechanical, thermal, electrical and chemical properties, that is, high hardness, high wear resistance and Good self-lubrication, high thermal conductivity, low thermal expansion coefficient and high temperature strength. [0003] Magnesium alloy has the characteristics of low density, high strength, good plasticity, toughness, and good weldability. Therefore, it is mainly used in aerospace industry, military industry, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C23/02
CPCC22C1/02C22C23/02C22C1/1036C22C1/1047
Inventor 陆海荣孙飞赵勇
Owner SUZHOU RICHMOND ADVANCED MATERIAL TECH TRANSFER CO LTD
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