An Investigation of the I and dJ/da Concepts for Ductile Tearing Instability
作者： MR Etemad , CE Turner
DOI: 10.1520/STP17413S
关键词:
摘要: Unstable ductile tearing was found in a series of tests on notched bend-bars HY130 steel tested screw-driven machine. R-curves were measured and stability analyzed according to the energy rate, I, dJ/da tangency concepts. The effect compliance rate available an appropriate estimation work dissipation for I theory are described. concept is used both its "exact" form as originally stated terms T, with certain modified. Subject choice terms, experimental behavior predicted satisfactorily by methods, although restriction this analysis configuration very similar that which R-curve must be recalled.
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