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Fracture mechanics applied to engineering problems-strain energy density fracture criterion
Engineering Fracture Mechanics, 1974Abstract Traditional design criteria make no attempt to account for the failure mode which is characteristic of a flawed, frangible structure. A design rationale is outlined for materials which contain flaws caused, for example, by metallurgical inclusions, fabrication and erection overloads, and fatigue cracking.
G.C. Sih, B. Macdonald
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Fault-fracture strain in Wingate Sandstone
Journal of Structural Geology, 1989Abstract The Laramide deformation of the Triassic Wingate Sandstone along the northeast flank of the Uncompahgre uplift has occurred by faulting at various scales. Macroscopically smooth flexures of beds within the Wingate occur by small displacements across a myriad of intraformational, mesoscale faults.
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Lengthscale effects in optical strain measurement for fracture characterization in simple shear
International Journal of Fracture, 2021F. Khameneh, A. Abedini, C. Butcher
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Geological faults: fracture, creep and strain
Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 1978To extend our understanding of faulting in the Earth’s crust it will be necessary to describe the various physical processes of faulting in terms of boundary and initial value problems. This is not easy to do. Field evidence indicates that faults form geometrically complex systems and time histories depend on the highly nonlinear processes
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Fracture cleavage and strain-slip cleavage
1982Fracture cleavage and strain-slip cleavage are both non-pervasive cleavages, i.e. the individual cleavage planes are separated by uncleaved slices of rock termed microlithons. Nevertheless, they appear differently in the field and beneath the microscope; the microlithons associated with fracture cleavage are not folded, those associated with strain ...
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The effects of stress triaxiality and strain rate on the fracture strain of Ti6Al4V
Engineering Fracture Mechanics, 2019B. Wang +3 more
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A microstructural interpretation of the fracture strain and characteristics fracture distance
Scripta Metallurgica, 1984Fracture toughness is a function of both the spacing of the primary inclusions and the extent of growth of the voids nucleated at these inclusions. Only by includng the effect of void growth can the high toughness of the HP 9-4-20 be understood. The HP 9-4-20 and the base + Ni + Si steel have comparable values of X /SUB O/ , but the higher toughness of
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