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XU Lianyong, JING Hongyang. Stress intensity factor of interfacial crack between metal-base ceramic coating and steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (3): 84-88.
Citation: XU Lianyong, JING Hongyang. Stress intensity factor of interfacial crack between metal-base ceramic coating and steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (3): 84-88.
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Stress intensity factor of interfacial crack between metal-base ceramic coating and steel

  • School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China

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  • Received Date: November 09, 2007
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  • The three-point bending fracture mechanics experiments and finite element analysis had been used to compute the complex stress intensity factor (K)of the interfacial crack between LX88A coating and Q345 steel.It was found that the K-dominant zone exist near the crack tip only for some specimens.The result indicates that KC can not be used as the single fracture parameter to evaluate the interface fracture behavior for three-point bending specimen. Therefore, it is necessary that the elastic-plastic fracture mechanics and probabilistic fracture mechanics are used to analyze such interface cracks.
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