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研究了铝合金压铸件中的硬质点和基体材质较硬区中几种硬质金属杂质相 (如AlSiMnFe等 )的形貌和本质 ,讨论了它们产生的原因 ,并提出了防止的措施
The morphology and nature of several hard metal impurity phases (such as AlSiMnFe) in the hard point of the aluminum alloy die-castings and the harder areas of the base material were studied. The reasons for their occurrence were discussed. Measures to prevent them