지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Grain size of material is important factor in evaluating mechanical properties. Methods for grain size determination are described in ASTM grain size standards. However, conventional method require pretreatment of the surface to clarify grain boundaries. In this study, the grain size from the surface image obtained from scanning electron microscope was measured using the watershed algorithm, which is a region-based method among image segmentation techniques. The shapes of the crystals are similar to each other, but the size and growth height are different. In addition, crystal grains are adjacent to each other, so it is very similar to the shape image of the topography. Therefore, grain boundaries can be efficiently detected using the Watershed algorithm.
목차
Abstract
1. 서론
2. 시험편
3. 유역분할
4. 유역분할 결과
5. 결론
REFERENCES
참고문헌 (14)
참고문헌 신청
C. A. P. Orta, J. D. M. Santibanez, F. M. Guerrero, I. R. T. Villalobos, Method for grain size determination in carbon steels based on the ultimate opening, Measurement, 133 (2019) 193-207.
B. Flipon, V. Grand, B. Murgas, A. Gaillac, A. Nicolaÿy, N. Bozzolo, M. Bernacki, Grain size characterization in metallic alloys using different microscopy and post-processing techniques, Mater. Charact., 174 (2021) 110977.
X. J. Wang, X. J. Sun, C. Song, H. Chen, S. Tong, W. Han, F. Pan, Grain size-dependent mechanical properties of a high-manganese austenitic steel, Acta Metall. Sin., 32 (2019) 746–754.
M. Naghizadeh, H. Mirzadeh, Effects of grain size on mechanical properties and work-hardening behavior of AISI 304 austenitic stainless steel, Steel Res. Int., 90 (2019) 1900153.
K. P. Mingard, B. Roebuck, E. G. Bennett, M. G. Gee, H. Nordenstrom, G. Sweetman, P. Chan, Comparison of EBSD and conventional methods of grain size measurement of hardmetals, Int. J. Refract. Met. Hard Mater., 27 (2009) 213–223.
B. Flipon, V. Grand, B. Murgas, A. Gaillac, A. Nicolaÿy, N. Bozzolo, M. Bernacki, Grain size characterization in metallic alloys using different microscopy and post-processing techniques, Mater. Charact., 174 (2021) 110977.
X. J. Wang, X. J. Sun, C. Song, H. Chen, S. Tong, W. Han, F. Pan, Grain size-dependent mechanical properties of a high-manganese austenitic steel, Acta Metall. Sin., 32 (2019) 746–754.
M. Naghizadeh, H. Mirzadeh, Effects of grain size on mechanical properties and work-hardening behavior of AISI 304 austenitic stainless steel, Steel Res. Int., 90 (2019) 1900153.
K. P. Mingard, B. Roebuck, E. G. Bennett, M. G. Gee, H. Nordenstrom, G. Sweetman, P. Chan, Comparison of EBSD and conventional methods of grain size measurement of hardmetals, Int. J. Refract. Met. Hard Mater., 27 (2009) 213–223.
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