Surface Roughening and Fractal Dimension during Plastic Deformation of Polycrystalline Iron
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概要
- 論文の詳細を見る
In order to investigate the relationship between surface roughening and deformation of respective grains, three-dimensional observation of the roughened surface of polycrystalline iron during uniaxial compressive deformation was carried out. The pattern of grain boundaries and the contour map of the surface roughening were superimposed on a personal computer monitor. The three-dimensional surface roughness data were also high-pass-filtered to obtain detailed figures of the surface. The fractal dimension was introduced to characterize the change in three-dimensional surface roughening during plastic deformation. The box-counting method was adopted to measure the fractal dimension. It was found that three-dimensional surface roughening showed fractal characteristics. The value of the fractal dimension was almost constant with increasing applied strain.
- 一般社団法人日本機械学会の論文
- 1994-10-15
著者
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Shimizu Ichiro
Department of Digestive and Cardiovascular Medicine, Tokushima University Graduate School of Medicin
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Shimizu Ichiro
Department Of Cardiovascular Surgery Faculty Of Medicine Kyushu University
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Abe T
Okayama Univ. Okayama Jpn
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Abe Takeji
Department Of Mechanical Engineering Okayama University
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Abe Takeji
Department Of Applied Mechanics Okayama University
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Shimizu Ichiro
Department Of Anesthesiology And Resuscitology Ehime University Hospital
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