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A long-period structure reinforced magnesium alloy semi-solid slurry and its preparation method

A semi-solid slurry and reinforced magnesium alloy technology, which is applied in the field of metal materials, can solve the problem of semi-solid slurry research on Mg-Ni-RE magnesium alloy with long-period structural reinforcement that has not yet been found, and achieves no component pollution and easy process Good effect of control and ingredient control

Inactive Publication Date: 2016-06-15
NANCHANG HANGKONG UNIVERSITY
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  • Abstract
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  • Claims
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Problems solved by technology

After searching the literature, there is no report on the research on semi-solid slurry of Mg-Ni-RE magnesium alloy reinforced with long period structure

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  • A long-period structure reinforced magnesium alloy semi-solid slurry and its preparation method
  • A long-period structure reinforced magnesium alloy semi-solid slurry and its preparation method

Examples

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Embodiment

[0021] Example: Mg-Gd-Nd-Ni magnesium alloy semi-solid slurry, the slurry contains the following components (by weight percentage): 86.7% magnesium, 2.2% nickel, 5.8% gadolinium, 5.3% neodymium.

[0022] In the first step, according to the alloy composition of 86.7% magnesium, 2.2% nickel, 5.8% gadolinium, and 5.3% neodymium, magnesium, nickel, and rare earth gadolinium and neodymium raw materials are prepared. The purity of the magnesium, nickel, gadolinium, and neodymium raw materials used is above 99.9%. , Nickel, gadolinium, and neodymium are small particles, the size of which is less than 1mm.

[0023] In the second step, put the raw material of the first step into a graphite crucible and melt it in a high-frequency induction heating furnace. Realize the slow heating of raw materials until they are melted to obtain master alloy ingots.

[0024] In the third step, the above-mentioned master alloy ingot was put into a stainless steel crucible, reheated to 600° C. in a resi...

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Abstract

The invention discloses a long-period structure reinforced magnesium alloy semi-solid slurry in the technical field of metal materials and a preparation method thereof. The composition of the semi-solid slurry is: 86.7% magnesium, 2.2% nickel, 5.8% gadolinium, 5.3% neodymium. The preparation of the semi-solid slurry is to mix Mg, Ni, Gd and Nd according to the required element composition ratio and melt under the protection of argon to obtain the Mg-Ni-Gd-Nd master alloy ingot; put the master alloy ingot into The stainless steel crucible is reheated and kept warm, and then the crucible is placed in a pulsed magnetic field to solidify, and finally the Mg-Ni-Gd-Nd semi-solid slurry is obtained. The semi-solid slurry belongs to high-strength and high-toughness magnesium alloy, and is suitable for preparing parts with complex shapes; the preparation method has the advantages of easy control over the process, relatively good component control, and no component pollution.

Description

technical field [0001] The invention relates to an alloy semi-solid slurry in the technical field of metal materials and a preparation method thereof, in particular to a long-period structurally reinforced magnesium alloy semi-solid slurry and a preparation method thereof. Background technique [0002] Magnesium alloy is currently the lightest metal structural material in practical engineering applications. It has the characteristics of low density, high specific strength and specific stiffness, excellent casting, shock absorption, machinability and good dimensional stability, making it ideal for lightweight, It plays a significant role in reducing energy consumption and reducing environmental pollution, and is being increasingly widely used in industrial fields such as automobiles, national defense, aerospace, electronics, and machinery, as well as household goods and sports equipment. However, in the research and application of magnesium alloys, there are basic problems su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/06C22C1/02
Inventor 尹健马修军袁柯戴斌煜
Owner NANCHANG HANGKONG UNIVERSITY
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