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Magnesium alloy

AZ31B, AZ40M, AZ80M, MB15 (ZK61M), WE43/WE54, VW64/VW94, ME20M

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Magnesium alloy sheet billet

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Mg alloy

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Magnesium alloy

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Characteristics and Applications of Magnesium Alloys
　　
　　

1. High specific strength and specific stiffness. Magnesium alloys exhibit higher specific strength than aluminum alloys and steels, while their specific stiffness is comparable to that of aluminum alloys and steels and significantly exceeds that of fiber-reinforced plastics.

2. Excellent shock-absorbing performance: its damping capability is 5–30 times that of aluminum alloy, 20 times that of plastic, and 50–1,000 times that of steel.

3. Excellent casting performance. Magnesium exhibits virtually no reaction with iron, allowing the use of iron crucibles during melting. Compared with aluminum alloy die casting, its service life can be 2–3 times longer, typically exceeding 200,000 cycles.

4. Excellent machinability. Magnesium alloys can be machined at significantly higher cutting speeds than other metals, reducing machining time and resulting in minimal tool wear during the process.

5. Excellent electromagnetic shielding properties. Magnesium alloys exhibit superior magnetic shielding performance compared to aluminum alloys, providing enhanced attenuation of electromagnetic waves.

6. Excellent thermal conductivity. The thermal conductivity of magnesium alloys makes them well-suited for electronic products with densely packed components.

7. Recyclability: Scrap magnesium alloy castings can be remelted and reused as secondary casting material for AZ91, AM50, or AM60 alloys.

Features and Applications

　　AZ31B, ZK61(MB15), ME20M, AZ91D, AM60B, and WE54A (WE43) are magnesium alloys belonging to the Mg–Zn–Zr series. They offer advantages such as high specific strength, excellent machinability, superior vibration damping, and good electromagnetic shielding properties. Currently, they are primarily used in the aerospace industry to manufacture heavily loaded components, including wings, stringers, wing ribs, and rocker arms. With recent breakthroughs in the production technology for large‑size rolled sheet products, these magnesium alloys hold tremendous potential for a wide range of applications.

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