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Interface Shape Effects on the Tensile Strength for T-type Structure Bonded Dissimilar Materials

Published online by Cambridge University Press:  31 January 2011

Shigeru Nagasawa ,
Yuji Yokoyama ,
Yasushi Fukuzawa  and
Masayoshi Tateno
Shigeru Nagasawa
Affiliation:
Department of Mechanical Engineering, Nagaoka University of Technology, 1603–1 Kamitomioka,Nagaoka, Niigata 940–2188 Japan
Yuji Yokoyama
Affiliation:
Department of Mechanical Engineering, Nagaoka University of Technology, 1603–1 Kamitomioka,Nagaoka, Niigata 940–2188 Japan
Yasushi Fukuzawa
Affiliation:
Department of Mechanical Engineering, Nagaoka University of Technology, 1603–1 Kamitomioka,Nagaoka, Niigata 940–2188 Japan
Masayoshi Tateno
Affiliation:
Department of Mechanical Engineering, Kogakuin University, 2665–1 Nakano, Hachiohji,Tokyo 193–0014 Japan
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Abstract

To estimate the effect of the spherical interface of the T-type joint structure on bonding strength, thermal residual stress on the outer surface and in the interface were investigated by thermal elastoplastic finite element analysis, in terms of principal stress and principal axis direction. These numerical results were compared with experimental fracture patterns and the tensile strength. The relationship between the maximum principal stress around the interface edge and the joint angle was studied. As a result,an optimal joint angle was shown by the experimental data and also by the principal stress calculated.

Type
Articles
Information
Journal of Materials Research , Volume 17 , Issue 1 , January 2002 , pp. 20 - 25
Copyright
Copyright © Materials Research Society 2002

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