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YOU Zhao-hong. Fracture Analysis of Gears of a Speed Reducer[J]. Materials and Mechanical Engineering, 2008, 32(12): 82-84.
Citation: YOU Zhao-hong. Fracture Analysis of Gears of a Speed Reducer[J]. Materials and Mechanical Engineering, 2008, 32(12): 82-84.
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Fracture Analysis of Gears of a Speed Reducer

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  • Received Date: August 07, 2008
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    • Abstract
  • The failure of a shaft and gears of a speed reducer after serving for a year was investigated by means of microstructure observetion,scanning electron microscopy (SEM),hardness test and tension test.The results showed that the failure of the shaft and gears was fatigue fracture and the fracture of the shaft occurred firstly.The fatigue crack initiated from an overload.Incorrect assemble was responsible for the overload of the shaft.
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    • References (3)
  • [1]
    美国金属学会.金属手册,失效分析与预防[M].北京:机械工业出版社,1986:141-143.
    [2]
    孙志礼.机械设计[M].沈阳:东北大学出版社,2000.
    [3]
    金蔚静.发电机转轴断裂失效分析[J].理化检验-物理分册,2003,39(1):50-52.
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