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Fracture parameter for thermoinelasticity

International Journal of Fracture, 1992
A path domain independent integral, S, that equals the energy release rate for an extending crack in a thermoinelastic field is presented. This paper develops the new parameter from its theoretical foundations in continuum mechanics, demonstrates that S can be calculated from finite element results and describes how S can be obtained from experiments ...
D. A. Wagner, J. C. Simo
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Determination Of Fracture Parameters From Fracturing Pressure Decline

SPE Annual Technical Conference and Exhibition, 1979
Abstract This paper presents analyses which permit some of the parameters that quantify a fracture and the fracturing process to be estimated from the pressure decline following fracturing. The primary assumptions are consistent with those of current practice—a vertical fracture of essentially constant height ...
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Fracture parameters for sintered steels

Journal of Materials Science, 1988
Measurements of the plane strain fracture toughness KIc of sintered steels have frequently been invalid because the requirement that Pmax ...
Yan-Bin Ke   +2 more
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Integral parameters for thermal fracture

Engineering Fracture Mechanics, 1989
Abstract This study examines the utility and limitations of a number of different integral parameters for crack driving force determination in thermal fracture problems. In addition, the important effect of material property variation with temperature is examined.
F.W. Brust, M. Nakagaki, C. Springfield
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