Presentation Information

9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[24]Grain size dependence on the serration behavior in high-Mn austenitic steels

*Sukyoung Hwang¹, Myeong-heom Park¹, Bai Yu^1,2, Nobuhiro Tsuji^1,3 (1. Department of Materials Science and Engineering, Kyoto University, 2. School of Materials Science and Engineering, Dalian University of Technology, 3. Elements Strategy Initiative for Structural Materials (ESISM), Kyoto University)

Keywords:

Portevin–Le Chatelier (PLC) band,digital image correlation (DIC),ultrafine grained (UFG) material,high-Mn austenitic steel

本研究では，様々な平均粒径をもつ22Mn-0.6C鋼を作製し，セレーション挙動の粒径依存性を系統的に調査することにより，セレーション挙動のより詳細と力学特性への影響を明らかにすることを目的とする．

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