Effects of Ca on Microstructure and Properties of Spray Deposited RE Mg-Al-Zn Alloy

Abstract:

Magnesium alloy of 6% Ca and 9% Ca, produced by spray deposited method, was heat treated at different solid-solution and the same aging treatment. The microstructure and hardness were analyzed by SEM, XRD and HV tester. The experimental results showed that Ca can make the spray deposited magnesium matrix grains refine uniformly, the second phase particle Al₂Ca and CaZn are formed and the hardness value increase. With the rise of solution temperature, the hardness of 6%Ca and 9%Ca magnesium alloy rise firstly and then fall, and the hardness value of 6%Ca increase to the highest 121Hv and 9%Ca increase to the highest 128Hv after 370°C/3h+205°C/24h.

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 26-31
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.26
• Online since: November 2011
• Authors: Tong Le Wang, Zhen Liang Li, Hui Ping Ren, Yu Feng Wang, Wei Chen
• Keywords: CA, Magnesium Alloy, Spray Deposition

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