Results 21 to 30 of about 7,508,587 (309)
A phase-field model for fatigue crack growth
Journal of the mechanics and physics of solids, 2019 A phase-field model is presented for the study of fatigue crack growth. A crack growth viscosity parameter is introduced into the standard phase-field model for brittle fracture to account for rate- or cycle-dependent crack growth phenomena. A modified J-
Y. Lo +3 more
semanticscholar +1 more source
Craze and Crack Growths in Polycarbonate
Transactions of the Japan Society of Mechanical Engineers, 1974 AbstractCraze and crack growth have been studied in polycarbonate. The results are correlated by a stress intensity factor derived from fracture mechanics. A new model taking creep into account is proposed to explain the experimental results. Theoretical predictions derived from the model are compared with experimental results.
KITAGAWA, Masayoshi, MOTOMURA, Katsura
openaire +2 more sources
Materials Science & Engineering: A, 2019 Selective-laser-melting (SLM) is a powder-bed fusion additive-manufacturing process that has the potential to deliver three-dimensional complex parts with mechanical properties comparable or superior to parts produced via traditional manufacturing using ...
A. K. Syed +7 more
semanticscholar +1 more source
Controlling fatigue crack paths for crack surface marking and growth investigations
Fracture and Structural Integrity, 2015 While it is well known that fatigue crack growth in metals that display confined slip, such as high strength aluminium alloys, develop crack paths that are responsive to the loading direction and the local microstructural orientation, it is less well ...
S. Barter, P. White, M. Burchill
doaj +3 more sources
A mechanistic modelling methodology for microstructure-sensitive fatigue crack growth
Journal of the mechanics and physics of solids, 2019 A mechanistic methodology for simulating microstructurally-sensitive (tortuosity and propagation rate) fatigue crack growth in ductile metals is introduced which utilises the recently introduced dislocation configurational stored energy as the measure of
David J. Wilson, F. Dunne
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Modeling of creep-fatigue interaction effects on crack growth at elevated temperatures
MATEC Web of Conferences, 2018 The well-known load frequency effect on creep-fatigue crack growth is explained by the interactions between fatigue and creep loading and is quantified using the concept of plasticity-induced crack closure.
Potirniche Gabriel P.
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Microstructurally-sensitive fatigue crack growth in HCP, BCC and FCC polycrystals
Journal of the mechanics and physics of solids, 2019 Microstructurally sensitive fatigue crack growth in four material systems with BCC, FCC and HCP crystallography was investigated through integrated crystal plasticity eXtended Finite Element (XFEM) modelling and experiment.
David J. Wilson, Weifeng Wan, F. Dunne
semanticscholar +1 more source
MATEC Web of Conferences, 2018 This paper reports on a computational study and experimental validation of creep-fatigue crack growth rates at high temperature in two structural materials.
Ramirez Jose +6 more
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Fatigue crack growth in a laser shock peened residual stress field
International Journal of Fatigue, 2019 Laser Shock Peening is a surface treatment technique used in the aerospace sector to increase fatigue life, as well as resistance to fretting fatigue and stress corrosion cracking.
M. Pavan +4 more
semanticscholar +1 more source
Crack tip strain evolution and crack closure during overload of a growing fatigue crack [PDF]
Fracture and Structural Integrity, 2017 It is generally accepted that fatigue crack growth is retarded after an overload, which has been explained either by plasticity-induced crack closure or near-tip residual stress.
De-Qiang Wang +3 more
doaj +3 more sources