粉末冶金制备ZL402合金组织及性能研究

Foundry Technology(2016)

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Abstract
采用粉末冶金法制备ZL402合金,研究了烧结温度、压制力和成分对材料的组织、密度和硬度的影响.结果表明,当烧结温度为530℃时,组织变得致密,孔隙率明显减少,硬度最大;并且随着压制力的增加,颗粒间距缩小,试样的硬度和密度也增大;随着Zn含量的减少和Mg含量的增加,材料的孔隙减小,密度减小,而硬度却增加.
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