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An assessment of far field effects on the photoelastic determination of mixed mode stress intensity factors

✍ Scribed by C.W. Smith; J.S. Epstein

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

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✦ Synopsis

A limiting approach inquiry into far field effects on local field equations for mixed mode surface flaws is investigated by computer analysis. Curves showing the diminishing effect of the far field stress towards the cracks tip are plotted using fringe radii ratios vs fringe number. The zone used in the experimental determination of K, and Kz is superimposed on these curves to investigate the extent to which K, and Kz determined by the two parameter method are influenced by the far field stress.

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