JMMCE  Vol.1 No.6 , November 2013
Influence of Martensite Volume Fraction on Mechanical Properties of High-Mn Steel
Elastic-plastic deformation behavior of austenitic, martensitic, and austenitic-martensitic high-Mn steels is investigated by using crystal plasticity theory. The development of expandable pipes made of two-phase steel for oil and gas well applications is needed for improved and efficient recovery of hydrocarbons from difficult reservoirs. The current research is aimed at improving the down-hole post-expansion material properties of expandable pipes. A mathematical model is first developed based on finite-deformation crystal plasticity theory assuming that slip is the prime mode of plastic deformation. The developed model is then numerically implemented by using the finite element software ABAQUS, through a user defined subroutine. Finite element simulations are performed for austenitic, martensitic, and austenitic-martensitic steels having different proportions of martensite in an austenite matrix. Three primary modes of loading are considered: uniaxial tension, compression and simple shear. The variation in yield strength, hardening pattern and dissipated energy is observed and analyzed.

Cite this paper
R. Khan, T. Pervez and S. Qamar, "Influence of Martensite Volume Fraction on Mechanical Properties of High-Mn Steel," Journal of Minerals and Materials Characterization and Engineering, Vol. 1 No. 6, 2013, pp. 293-300. doi: 10.4236/jmmce.2013.16044.
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