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空気吹き付けによる熱応力割断のき裂進展制御


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Title: 空気吹き付けによる熱応力割断のき裂進展制御
Other Titles: Control of a crack path by air blowing in the 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: Jul-2000
Citation: 長崎大学工学部研究報告 Vol.30(55) p.155-159, 2000
Abstract: In the case of unsymmetrical thermal stress cleaving, cracks will not grow straight because mixed mode of stress intensity factors arises. To realize the thermal stress cleaving as a standard cutting process, this point has to be overcome. One solution may be cooling by the air blow combined with heating. Cooling reduced both of stress intensity factors, KI and KII. But the latter reduction is more than the former. In this paper, stress intensity factors are estimated for unsymmetrically edge-cracked rectangular glass plates by FEM and the variation of the ratio of KII/KI is discussed as a function of the cooling location, cooling area and initial plate temperature.
URI: http://hdl.handle.net/10069/5112
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 30, No. 55

Citable URI : http://hdl.handle.net/10069/5112

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