液压脉动去除600MW汽轮发电机护环宏观残余应力

The Residual Stress Relieving by Pulsating Hydraulic Test on 600MW Turbogenerator Retaining Ring

本文介绍了用油压脉动试验的方法去除护环的宏观残余应力。试验发现 。

In this paper,the method of pulsating hydraulic test to relief retaining ring residual stress is introduced.In the test,it is found that macro residual stress of retaining ring is decreased notably.