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5. The Welding Residual Stress Test Techniques for the Easily Crack Region of Francis Runners

The Welding Residual Stress Test Techniques for the Easily Crack Region of Francis Runners

来源 :35th IAHR World Congress(第三十五届国际水利学大会) | 被引量 : 0次 | 上传用户：wxg1984

【摘 要】

：

The fatigue failure of Francis turbine runners usually happens in the welding joints of blade outlet and has important relationship with the distribution of welding residual stress.The hole drilling m

【作 者】

：

Guangfu Cheng Song Wei Daowei Wen Zheng Li Peng Zhao 

【出 处】

：

35th IAHR World Congress(第三十五届国际水利学大会)

【发表日期】

：

2013年2期

【关键词】

：

Francis runner Easily crack region Welding residual stress Test techniques 

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论文部分内容阅读

The fatigue failure of Francis turbine runners usually happens in the welding joints of blade outlet and has important relationship with the distribution of welding residual stress.The hole drilling method is usually used to test the welding residual stress during the runner manufacture.

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