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The calculation of the combined mode stress intensity factor KI + KII by the high order singular strain circular element

โœ Scribed by Si-Kui Yu; Hai-Ping Hu; Zhi-Tan Li


Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
89 KB
Volume
16
Category
Article
ISSN
0013-7944

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The calculation of stress intensity fact
โœ Si-Kui Yu; Zhi-Tan Li; Wen-An Cai ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 99 KB

A circular element centered at the crack tip is constructed. According to the first four terms of Williams stress function, the displacement pattern with singularity is given to the circular element, where unknown parameters are considered as generalized nodal displacements. On the interface between

The calculation of the stress intensity
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A wedge-opening loading (WOL) type of specimen with an instrumented bolt has been developed which can be used to determine the threshold stress-intensity factor Klscc and the crack growth rates daldt at the same time. Strain gages were cemented on the surface of instrumented bolts. During the test,