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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.3
- 수록면
- 735 - 744 (10page)
- DOI
- 10.1007/s12540-023-01539-y
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초록· 키워드
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The present work investigates the contribution of dislocation cell to the yield strength of additively manufactured (AM)316L steel through nanoindentation technique. The nano-mechanical response of the AM sample is properly compared tothe heat-treated (HT) one without dislocation cell. The nanoindentation size effect is observed in both samples. Althoughthe nanohardness of HT sample is comparable to that of AM sample at low indentation depth, the former is obviously lowerthan the later at depth where the indentation impression is similar or larger than that of dislocation cell. Utilizing Nix–Gaomodel and Tabor equation, the contribution of dislocation cell to the yield strength is estimated to be ~ 169 MPa, which isabout 54% of the improved yield strength.
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