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- W2354384481 abstract "An analysis of the crack fracture of the valve chamber of a certain type of 140 MPa fracture pump was conducted.The research findings show that the crack fracture is characterized by a kind of cleavage fracture morphology.The fatigue striations expand on the cleavage surface in the mode of brittleness.The relatively high circumferential stress of the valve chamber in operation is the main reason for fatigue cracking.On the basis of this the finite element software was used to conduct the research on the autofrettage technology,the technology of surface processing precision and surface reinforcing treatment and the law of the effect of material selection on the fatigue life of valve chamber.The research findings show that the above methods can improve the life of valve chamber.But the autofrettage technology is the most effective and economic method.It can improve the fatigue life of valve chamber by a minimum of seven times.The hydrostatic method and the explosive method can be selected in the technological implementation.The process of the explosive method is simple,which is recommended to be adopted to conduct the autofrettage." @default.
- W2354384481 created "2016-06-24" @default.
- W2354384481 creator A5022628039 @default.
- W2354384481 date "2013-01-01" @default.
- W2354384481 modified "2023-09-23" @default.
- W2354384481 title "Research on the Influencing Factors of Fatigue Life of Fracture Pump Valve Chamber" @default.
- W2354384481 hasPublicationYear "2013" @default.
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