A Numerical Method of Analyzing Interface Crack Problem
A numerical method of analyzing fracture mechanics parameters for interface crack was presented. This method utilizes the node-point displacement and node-point load of finite element analysis to evaluate the stress intensity factor K. As an example, the K value of cracks in a homogeneous material w...
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| Veröffentlicht in: | Journal of the Society of Materials Science, Japan Japan, 1985/11/15, Vol.34(386), pp.1261-1266 |
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| Sprache: | eng ; jpn |
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| container_end_page | 1266 |
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| container_issue | 386 |
| container_start_page | 1261 |
| container_title | Journal of the Society of Materials Science, Japan |
| container_volume | 34 |
| creator | YAMAZAKI, Toshiharu |
| description | A numerical method of analyzing fracture mechanics parameters for interface crack was presented. This method utilizes the node-point displacement and node-point load of finite element analysis to evaluate the stress intensity factor K. As an example, the K value of cracks in a homogeneous material was evaluated with the mesh size having 5-10% of the crack length and high accuracy with less than 5% error was obtained. For cracks on the Al/epoxy bi-material interface, the Mode-I stress intensity factor evaluated with or without no-slip zone was found to be analogous to the analysis by Mak et al. Also a linear relationship was found between KI and the stress σyy in the crack tip element irrespective of material combination, stress state or loading condition. |
| doi_str_mv | 10.2472/jsms.34.1261 |
| format | Article |
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Soc. Mat. Sci., Japan</addtitle><description>A numerical method of analyzing fracture mechanics parameters for interface crack was presented. This method utilizes the node-point displacement and node-point load of finite element analysis to evaluate the stress intensity factor K. As an example, the K value of cracks in a homogeneous material was evaluated with the mesh size having 5-10% of the crack length and high accuracy with less than 5% error was obtained. For cracks on the Al/epoxy bi-material interface, the Mode-I stress intensity factor evaluated with or without no-slip zone was found to be analogous to the analysis by Mak et al. 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Soc. Mat. Sci., Japan</addtitle><date>1985</date><risdate>1985</risdate><volume>34</volume><issue>386</issue><spage>1261</spage><epage>1266</epage><pages>1261-1266</pages><issn>0514-5163</issn><eissn>1880-7488</eissn><abstract>A numerical method of analyzing fracture mechanics parameters for interface crack was presented. This method utilizes the node-point displacement and node-point load of finite element analysis to evaluate the stress intensity factor K. As an example, the K value of cracks in a homogeneous material was evaluated with the mesh size having 5-10% of the crack length and high accuracy with less than 5% error was obtained. For cracks on the Al/epoxy bi-material interface, the Mode-I stress intensity factor evaluated with or without no-slip zone was found to be analogous to the analysis by Mak et al. Also a linear relationship was found between KI and the stress σyy in the crack tip element irrespective of material combination, stress state or loading condition.</abstract><pub>The Society of Materials Science, Japan</pub><doi>10.2472/jsms.34.1261</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of the Society of Materials Science, Japan, 1985/11/15, Vol.34(386), pp.1261-1266 |
| issn | 0514-5163 1880-7488 |
| language | eng ; jpn |
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| title | A Numerical Method of Analyzing Interface Crack Problem |
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