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Orientation-dependent indentation modulus and yielding in a high Mn twinning-induced plasticity steel
- Issue Date
- Jan-2012
- Publisher
- Elsevier BV
- Keywords
- Nanoindentation; High Mn steel; Elastic modulus; Mechanical twinning; Surface orientation
- Citation
- Materials Science and Engineering: A, v.532, pp 500 - 504
- Pages
- 5
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- Materials Science and Engineering: A
- Volume
- 532
- Start Page
- 500
- End Page
- 504
- ISSN
- 0921-5093
1873-4936
- Abstract
- The dependencies of indentation modulus and yielding behavior on the crystallographic orientation in a high Mn twinning induced plasticity (TWIP) steel were systematically investigated by spherical nanoindentation. A series of nanoindentation experiments revealed that the values of the plane-strain modulus and maximum shear stress at the pop-in increased with an order of (001), (101), and (111) grains. Mechanical twins were only observed in the indented (001) grains, as was expected from Schmid factor for twinning in fcc crystals.
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Related Researcher
- Jang, Jae Il
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)