研究了粘结剂配方、粉末装载量、喂料热力学性质、注射成形工艺等多个因素对金属注射成形17-PH不锈钢脱脂保形性的影响.结果表明具有较高热分解温度、较低熔解热的HDPE作为第2组元的蜡基粘结剂,具有比采用EVA为第2组元的粘结剂更好的保形性能.试样变形率随着粉末装载量、注射压力、注射温度的增加而下降,而且存在一最佳的工艺条件,包括粉末装载量、注射压力、注射温度,此时试样最不容易变形,试样变形比例最小.
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