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Title: Comparison of constants in wheeler model under single overload and spot heating conditions
Authors: Joni, A
Ray, P K
Mohanty, J R
Verma, B B
Keywords: overload
spot heating
Wheeler model
fatigue crack retardation
Issue Date: 2006
Publisher: National Institute of Technology, Rourkela, India
Citation: Proc. of National Conf. on Emerging Trends in Nano Technology and Innovations in Design and Manufacturing, Rourkela, Feb 18-19, p 323-339
Abstract: In this paper fatigue crack growth retardation due to overloading and spot heating (to a sub critical temperature) ahead of crack tip have been addressed. The wheeler model for crack growth retardation has been used for the purpose of comparison. The shaping exponents ‘m’ of both the cases were numerically determined from experimental data and variations in the result have been analysed. It is found that shaping exponent ‘m’ due to spot heating at specific position is more than that due to overload
Description: Copyright for this article belongs to National Institute of Technology, Rourkela, India
Appears in Collections:Conference Papers

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