| Issue |
MATEC Web Conf.
Volume 300, 2019
ICMFF12 - 12th International Conference on Multiaxial Fatigue and Fracture
|
|
|---|---|---|
| Article Number | 08007 | |
| Number of page(s) | 7 | |
| Section | LCF or Cyclic Behaviour | |
| DOI | https://doi.org/10.1051/matecconf/201930008007 | |
| Published online | 02 December 2019 | |
Influence of multiaxial cyclic plastic loading on grain boundary misorientation profile in austenitic stainless steel
1
Academy of scientific and innovative research (AcSIR), Ghaziabad 201002, India
2
CSIR-National metallurgical laboratory, Jamshedpur 831007, India
* Corresponding author: rims.dey@gmail.com
304LN stainless was subjected to multiaxial loading employing different waveforms and load paths. The grain boundary misorientation profile so obtained post deformation was compared across loading conditions. It was found that the uniaxial and proportional conditions of loading result in more of twins, contrary to non-proportional loading conditions that resulted in substantially higher low angle grain boundaries. Also, under non-proportional loading the trapezoidal load path resulted in remarkably altered distribution of the grain boundaries compared to its contemporaries. Predominant martensitic transformation was found to be dominant mechanism of deformation for trapezoidal loading that also contributed to the altered misorientation profile.
© The Authors, published by EDP Sciences, 2019
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