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GUO Quan-ying, SUN Jia-zhong. FAILURE ANALYSIS OF COVER FOR A TURBINE[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2006, 42(8): 422-424.
Citation: GUO Quan-ying, SUN Jia-zhong. FAILURE ANALYSIS OF COVER FOR A TURBINE[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2006, 42(8): 422-424.
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FAILURE ANALYSIS OF COVER FOR A TURBINE

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  • Received Date: October 17, 2005
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    • Abstract
  • The cover for a turbine of a factory is cracking after operating three months. The cracke is investigated by inspections using optical and scan electronic microscope and the composition analysis by using chemical and the EDS methods. The results shows that the major reason of the crack of a cover for a turbine is that there are inclusion in the steel and the inclusion initiates fatigue crack. The fatigue crack extends under the applied stress.
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    • References (4)
  • [1]
    廖景娱,刘正义.金属构件失效分析[M].北京:化学工业出版社, 2003.
    [2]
    邓建辉,尤大勇,郭新年.某大桥钢轨断裂原因分析[J].理化检验-物理分册, 2004,40(3):135-137.
    [3]
    王建华,熊大民.BM50型风扫磨机主齿轮失效分析[J].理化检验-物理分册, 2004,40(7):351-353.
    [4]
    赵修领,闵凡启,刘 军.圆钢纵裂分析[J].理化检验-物理分册, 2004,40(8):424-426.
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