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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 36, No. 66 >

熱応力割断中のき裂進展形状と応力拡大係数の解析


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Title: 熱応力割断中のき裂進展形状と応力拡大係数の解析
Other Titles: Analysis of the Stress Intensity Factors and the Shape of a Crack Growth on a Thermal Stress Cleaving
Authors: 本村, 文孝 / 今井, 康文 / 才本, 明秀
Authors (alternative): Motomura, Fumitaka / Imai, Yasufumi / Saimoto, Akihide
Issue Date: 10-Feb-2006
Publisher: 長崎大学工学部
Citation: 長崎大学工学部 研究報告 REPORTS OF THE FACULTY OF ENGINEERING 36(66). p.1-5, 2006
Abstract: 3D finite element analysis of thermo-elastic problem was performed to relate between the crack front geometry and the crack growing velocity in a thermal stress cleaving. In a stable crack growth, the crack front geometry through a plate thickness becomes so as for the stress intensity factors to distribute as much same value along a crack front. The faster a crack growing velocity, the wider a crack front leaves from a center of heat source to show stronger stress singularity. Analyzed result explains well the experiments.
Keywords: Thermal Stress Cleaving / Interference Fringe Method / Unsteady Thermal Elasticity / Finite Element Method / Virtual Crack Closure Integral
URI: http://hdl.handle.net/10069/4932
ISSN: 18805574
Relational Links: http://www.lb.nagasaki-u.ac.jp/reports/kougaku/preview.php?id=20
Type: Departmental Bulletin Paper
Appears in Collections:Volume 36, No. 66

Citable URI : http://hdl.handle.net/10069/4932

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