采用直接挤压铸造成形工艺，研究了挤压铸造工艺参数和热处理对AZ 91 D合金力学性能的影响。
In the direct squeeze casting process, the influence of the process parameters and heat treatment on the mechanical properties of AZ91D alloy is studied.
给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点；
The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点；
The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
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