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Li Xudong. PRACTICAL ERALUATION OF ENGINEERING CRACK INITIATION IN 2Cr13 STEEL UNDER BENDING LOAD[J]. Engineering Mechanics, 1990, 7(2): 103-113.
Citation: Li Xudong. PRACTICAL ERALUATION OF ENGINEERING CRACK INITIATION IN 2Cr13 STEEL UNDER BENDING LOAD[J]. Engineering Mechanics, 1990, 7(2): 103-113.
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PRACTICAL ERALUATION OF ENGINEERING CRACK INITIATION IN 2Cr13 STEEL UNDER BENDING LOAD

  • Xi'an Thermal Power Engineering Research Institute Min. of WR and EP

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  • Received Date: March 31, 1988
  • Revised Date: December 31, 1899
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  • This paper describes a simple mechanical model to predict notch tip opening displacement of 2Cr13 Steel under three point bending load and presents a criteria for engineering crack initiation at the tip of notches under three point bending load with the help of local stress-strain calculation. The initiated crack length is also defined in the paper. All the values by theoretical calculation are in good agreement with experimental results.
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