Orientation-dependent indentation modulus and yielding in a high Mn twinning-induced plasticity steel

Singon Kang; Yeon Seung Jung; Byung Gil Yoo; Jae il Jang; Young Kook Lee

doi:10.1016/j.msea.2011.10.116

Orientation-dependent indentation modulus and yielding in a high Mn twinning-induced plasticity steel

Singon Kang, Yeon Seung Jung, Byung Gil Yoo, Jae il Jang, Young Kook Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

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 (0. 0. 1), (1. 0. 1), and (1. 1. 1) grains. Mechanical twins were only observed in the indented (0. 0. 1) grains, as was expected from Schmid factor for twinning in fcc crystals.

Original language	English
Pages (from-to)	500-504
Number of pages	5
Journal	Materials Science and Engineering: A
Volume	532
DOIs	https://doi.org/10.1016/j.msea.2011.10.116
Publication status	Published - 2012 Jan 15

Bibliographical note

Funding Information:
This study was supported by a grant from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Commerce, Industry and Energy, Republic of Korea .

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.msea.2011.10.116

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title = "Orientation-dependent indentation modulus and yielding in a high Mn twinning-induced plasticity steel",

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 (0. 0. 1), (1. 0. 1), and (1. 1. 1) grains. Mechanical twins were only observed in the indented (0. 0. 1) grains, as was expected from Schmid factor for twinning in fcc crystals.",

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T1 - Orientation-dependent indentation modulus and yielding in a high Mn twinning-induced plasticity steel

AU - Kang, Singon

AU - Jung, Yeon Seung

AU - Yoo, Byung Gil

AU - Jang, Jae il

AU - Lee, Young Kook

N1 - Funding Information: This study was supported by a grant from the Fundamental R&D Program for Core Technology of Materials funded by the Ministry of Commerce, Industry and Energy, Republic of Korea .

PY - 2012/1/15

Y1 - 2012/1/15

N2 - 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 (0. 0. 1), (1. 0. 1), and (1. 1. 1) grains. Mechanical twins were only observed in the indented (0. 0. 1) grains, as was expected from Schmid factor for twinning in fcc crystals.

AB - 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 (0. 0. 1), (1. 0. 1), and (1. 1. 1) grains. Mechanical twins were only observed in the indented (0. 0. 1) grains, as was expected from Schmid factor for twinning in fcc crystals.

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Orientation-dependent indentation modulus and yielding in a high Mn twinning-induced plasticity steel

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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