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Further studies on dynamic crack branching (1983)

Ramulu, M. ; Kobayashi, A. S. ; Kang, B. S. J. ; [weitere]

Springer

Experimental mechanics 23 (1983), S. 431-437

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Details

ISSN: 1741-2765

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau

Notizen: Abstract The newly derived dynamic-crack-branching criterion with its modifications is verified by the dynamicphotoelastic results of dynamic crack branchings in thinpolycarbonate, single-edged crack-tension specimens. Successful crack branching was observed in four specimens and unsuccessful branching in another. Crack branching consistently occurred when the necessary conditions ofK I =K I b =3.3 MPa $$\sqrt m$$ and the sufficiency condition ofr o =r c =0.75 mm were satisfied simultaneously. In the unsuccessful branching test, the necessary condition was not satisfied sinceK I was always less thanK I b .

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02330060

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