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Research on the Stress Intensity Factor of the Crack Parallel to and Lying on the Interface of Cermet Cladding Parts

Basing on the theoretical study on the stress intensity factor (SIF) of the crack parallel to and lying on the interface of the cermet cladding part, the finite element analysis (FEA) of the crack’s SIF is made. The change laws of the SIF with the load action angleψ, the load Q, the clad thickness ratio h1/h and the elastic modulus ratio E1/E2 are obtained. The research results have theoretical and steering significance on the wide application of the cermet cladding part.