[P] P137~P170

[P152] A study on the grain size distribution by annealing heat treatment in high purity Al rotary target

*Sunki Kim¹, Seunghyun Koo¹, Youngkyun Kim², Sangmin Yoon², Seongho Ha³, Junhyun Kim³, Keunhyo Lee³, Taehyeong Kim³, Daeyeon Cho³, Sanghyun Lee³, Jina Jeong³ (1. NICELMS Co., ltd、2. Institute for Advanced Engineering、3. Korea Institute of Industrial Technology)

キーワード：

High Purity Al、Extrusion、Rotary target、Grain size、Recrystallization

In this study, we evaluated microstructure changes and grain size in aluminum extrusions in a rotary shape by applying only an annealing heat treatment process, without applying plastic processing.