(Received 24 June 1986; accepted 7 May 1987)
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A composite crack profile model has been used to evaluate the notch tip opening displacement (NTOD) for blunt notches in single-edge-notched (SEN) tension and SEN bending geometries. For the small-scale yielding situation, the values of crack tip opening displacement (CTOD) as a function of the K/σys ratio are almost equal in the two geometries. The NTOD values obtained using the present method are, however, geometry dependent and are more representative of displacement at the notch tip than the values obtained in an earlier paper.
Associate Professor, BIT Sindri, P.O. Sindri Institute, Dhanbad, Bihar
Assistant Professor, IIT Delhi, Hauz Khas, New Delhi,
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