Structure evolution of AZ61 magnesium alloy in SIMA process
摘要
The effect of prior compressive deformation, isothermal temperature and holding time on the structure of AZ61 magnesium alloy fabricated by strain-induced melt activation(SIMA) processing was investigated. The specimens were subjected under deformation ratios of 0%, 22% and 40% and various heat treatment time and temperature regions. The results indicate that the ideal technological parameters of semi-solid AZ61 alloy produced with non-dendrites are recommended as 22% (prior compressive deformation), 595 ℃ (heat treatment temperature) and 40 min(time). The as-cast AZ61 magnesium alloy isn't fit for semi-solid forming.
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闫洪, 张发云, 揭小平. Structure evolution of AZ61 magnesium alloy in SIMA process[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005.
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