Ductile Fracture of Aluminum Alloys : Observation of the Fracture Process by FRASTA and FEM Simulation
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概要
- 論文の詳細を見る
The microscopic process of ductile fracture in the process zone is studied in this paper. First, the FRASTA (fracture surface topographic analysis) technique is used, and the ductile fracture processes of two kinds of aluminum alloys, 7075-T6 and 2017-T4, are observed. The nucleation, growth and coalescence of voids are observed in detail. The finite element analyses based on Gurson's model are then carried out. The element vanishing method is used with the finite deformation theory. Using the void volume percent as the fracture criterion, the nucleation and growth of voids and coalescence with the crack are simulated. It is shown that these phenomena occur in the process zone, and the numerical results agree qualitatively with the experimentalones.
- 一般社団法人日本機械学会の論文
- 1991-01-15
著者
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Kikuchi Masanori
Department Of Food Production And Utility Development Graduate School Of Dairy Science Research Raku
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Kuroda Motofumi
Department Of Mechanical Engineering Faculty Of Science & Technology
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Kikuchi Masanori
Department Of Mechanical Engineering Faculty Of Science & Technology
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Miyamoto Hiroshi
Department Of Mechanical Engineering Faculty Of Science & Technology
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Miyamoto Hiroshi
Department Of Anesthesiology Showa University Fujigaoka Hospital
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OTOYO Hirofumi
Department of Mechanical Engineering, Faculty of Science & Technology
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Otoyo Hirofumi
Department Of Mechanical Engineering Faculty Of Science & Technology
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