Abstract
An elastic-plastic finite element analysis of fracture with debonding in a ceramic (silicon nitride) / metal (steel) joint was performed. The following results were obtained: (1) The experimental results, that debonding occurs at first then fracture in ceramics follows, were explained by taking account of the residual stress due to bonding. (2) The experimental tendency, that the interlayer (a copper sheet) suppresses the fracture in ceramics after debonding, was explained with the plastic deformation of the interlayer. (3) It was suggested that stable or unstable debonding may occur depending on the compliance of the brazing filler (Ti-Ag-Cu). (4) It was shown that the wake of plastic deformation due to debonding has little effect on the stress distribution.
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© 1995 Springer-Verlag Berlin Heidelberg
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Aoki, S., Nagata, Y. (1995). FE Analysis of Fracture with Debonding in Ceramic/Metal Joint. In: Batra, R.C. (eds) Contemporary Research in Engineering Science. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-80001-6_2
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DOI: https://doi.org/10.1007/978-3-642-80001-6_2
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