采用溶剂脱脂和热脱脂相结合的方法,研究了超细316L不锈钢粉末注射成形坯的脱脂工艺.注重考察了升温速度和保温时间对不锈钢注射坯的热脱脂工艺的影响.研究表明注射成形坯经正己烷溶剂脱脂后,石蜡组元全部被脱除.其它组元在后续的热脱脂中被去除,确定了优化的升温速度和保温时间,试样没有出现缺陷,并缩短了脱脂周期,该周期大约为10小时.
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