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The calculation of the strain energy release rates and the stress intensity factors for several crack conditions

✍ Scribed by Wei-Yang Huang

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 71 KB
Volume: 16
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(82)90051-0

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✦ Synopsis

Chinese abstracts 133 The experimental results show that (I) X, of two thin sheet aluminum alloys are valid; they_ are I?, = 201.39 kg/mm"* and l?,, = 208.31 kg/mm"2 of Lyl22c2(1), K, =226.18kg/mm"2 and K,,= 234.55 kg/mm3" of Lc4 -cs; (2) the R-curves of the four thin sheet aluminum alloys are independent of the initial crack length of specimen; (3) for different initial crack lengths the crack growth Aa is not a constant.

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