Enhanced age-hardening behaviour in Mg-4 wt.% Zn micro-alloyed with Ca
作者： Colleen Joyce Bettles , MA Gibson , Kishore Venkatesan
DOI: 10.1016/J.SCRIPTAMAT.2004.04.020
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摘要: Abstract In the Mg–Zn system it has been shown that addition of trace amounts Ca can have a substantial positive influence on precipitation process during artificial ageing. The microstructure modified alloy is more complex and much refined precipitate structure very stable for prolonged periods at elevated temperatures (⩽450 K), leading to significant improvement in creep resistance.
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