Numerical simulation of damage in two-scale model of stainless steel 15-5PH

作者

  • Tong Wu LaMCoS, INSA-Lyon CNRS UMR5259, F-69621 Lyon
  • Philippe Gilles AREVA-NP F-92084 Paris La défense
  • Michel Coret LaMCoS, INSA-Lyon CNRS UMR5259, F-69621 Lyon
  • Alain Combescure LaMCoS, INSA-Lyon CNRS UMR5259, F-69621 Lyon

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https://doi.org/10.13052/REMN.17.829-841

关键词:

damage, welding, phase transformation, numerical simulation

摘要

This study concerns the modeling of the damage induced by a complex history of thermo-elasto-plastic multiphase in heat-affected-zone (HAZ) of welding. In this work, a twoscale model of elasto-plastic damaged multiphase is developed. The constitutive equations of the model are a coupling between the ductile damage, elasto-plastic deformations and phase transformation.

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参考

Coret M., Combescure A., “A mesomodel for the numerical simulation of the multiphasic

behavior of materials under anisothermal loading”, International Journal of Mechanical

Sciences, Vol. 44, 2002, pp. 1947-1963.

Koistinen D.P., Marburger R.E., “A general equation prescribing extent ofaustenitemartensite

transformation in pure Fe-C alloys and plain carbon steels”, Acta

Metallurgica, Vol. 7, 1959, pp. 59-60.

Leblond J.B., Devaux J.C., “A new kinetic model for anisothermal metallurgical

transformations in steels including effects of austenite grain size”, Acta Metall., Vol. 32

n° 1, 1984, pp. 137-146.

Leblond J.B., Mottet G., Devaux J., Devaux J.C., “Mathematical models of transformation

plasticity in steels”, International Journal of Plasticity, Vol. 5, 1989, pp. 573-591.

Lemaitre J., Chaboche J.L., Mechanics of Materials, Cambridge University Press, Cambridge,

Taylor GI., “Plastic strains in metals”, Journal of the Institute of Metals, Vol. 62, 1938,

p. 307-24.

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已出版

2008-07-19

期

栏目

Original Article

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