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汽车杯型倒挡垫圈烧结发泡问题探究

GAO Yuan,LIN Yu-yang,YA Hai-long,TONG Xiao-nan,SONG Xiao-bo

Mechanical Research & Application（2022）

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Abstract
针对企业近期出现的汽车杯型倒挡垫圈烧结发泡现象,结合粉末冶金原理进行分析,通过对生产工艺流程及参数进行分析、排查,确定了产生该现象的根本原因在于原材料中添加剂发生了变化,其挥发温度远远低于原添加剂挥发温度,从而在烧结零件表面产生了发泡等缺陷.通过调整改进工艺,从根本上彻底消除这一不良现象,为生产正常有序进行提供保障.
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