chamber cleaning

This thesis expanded the reason and harm of making residual stress,introduced the principle of vibratory ageing stress relief,the factory gained the social and ecnomic benefits as adopting the vibratory stress relief and the meaning of promoting the application of this technology.

本文阐述了残余应力产生的原因及危害,介绍了振动时效清除应力的原理,采用振动时效工艺取得的经济和社会效益及推广应用此工艺的意义。