Abstract
A constitutive equation accounting for strain rate, temperature and applied stress system dependences of strain-induced martensitic transformation is given. A series of computational predictions of monotonic and cyclic deformation behavior, including uniaxial and proportional loading of typical 304 austenitic stainless steel, have been performed under the environmental temperatures of 77K and 298K. The effects of stress range, prestrain, temperature and applied strain system on such responses of transformation induced plasticity (TRIP) steels as the evolution of the martensitic phase, the accumulated plastic strain, and the asymptotic nature of the stress-strain relationship with an increasing number of cycles are clarified. The predictability of the present constitutive model is verified by experimental results. Furthermore, the monotonic and cyclic deformation behaviors of TRIP steel bars with a ringed notch are investigated.
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© 2002 Springer Science+Business Media Dordrecht
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Tomita, Y., Iwamoto, T. (2002). Constitutive Equation and Computational Prediction of Deformation Behavior of TRIP Steels under Monotonic and Cyclic Loading. In: Sun, Q.P. (eds) IUTAM Symposium on Mechanics of Martensitic Phase Transformation in Solids. Solid Mechanics and Its Applications, vol 101. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0069-6_2
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DOI: https://doi.org/10.1007/978-94-017-0069-6_2
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-6071-6
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