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Influence of stress state and strain path on deformation induced martensitic transformations

Authors
Journal
Materials Science and Engineering A
0921-5093
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/j.msea.2007.02.153
Keywords
  • Strain Induced Transformation
  • Biaxial Test
  • Stress State
  • Strain Path
  • Trip Steels

Abstract

Abstract The mechanically induced transformation behavior of 12Cr 9Ni 4Mo (ASTM A 564) austenitic stainless steel is investigated in different stress states. This phenomenon is studied experimentally on a plane-stress biaxial test facility. The facility can load a sheet specimen simultaneously in shear and tension which enables us to investigate the effect of stress state on transformation kinetics. The martensite fraction is monitored via a magnetic sensor while the strain is measured using a camera and a dot-tracking software.

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