[S3] S3.Architecture construction for functions and properties of materials IV -Reconsidering the principles for various diffusion processes and transport properties based on systematic classification by analogy-(2)

[S3.13] Microstructure Evolution and Change in Tensile Property in SUH409L by Two-Steps Grain Boundary Engineering Process

*GAKU FURUKAWA¹, SHIGEAKI KOBAYASHI¹, SADAHIRO TSUREKAWA² (1. Ashikaga University, 2. Kumamoto University)

Keywords:Grain boundary engineering、Low-angle grain boundary、Thermomechanical processing、Texture、Microstructure

SUH409L鋼に対して、{111}集合組織制御と高頻度の低角粒界を導入する粒界制御からなる二段階粒界工学プロセスにおける回復、その場再結晶過程での低角粒界ネットワークの形成過程を評価し、引張特性の変化を調べた。