[P] P76~P82

10:40 AM - 12:10 PM JST(1:40 AM - 3:10 AM UTC)

[P78] Changes in crystal orientations around indentations caused by hardness tests of Iron alloy single crystals

*Kenji TANAKA¹, Naoki Naoki², Susumu ONAKA² (1. Tokyo Institute of Technology, Department of Materials Science and Engineering, 2. Tokyo Institute of Technology, Department of Materials Science and Engineering)

Keywords:

iron,single crystal,crystal orientation,vickers indentaion,slip system,electoron backscatter diffraction,hardness test

粗大結晶粒材から測定領域が単結晶とみなせる試験片を切り出し，塑性変形を加える手法としてビッカース硬さ試験を行った．圧痕周辺での結晶方位変化および表面起伏の分布から転位組織の状態について考える．