Journal of Engineering Materials and Technology
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Numerical Simulation on Concrete Median Barrier for Reducing Concrete Fragment Under Harsh Impact Loading of a 25-ton Truck
Journal of Engineering Materials and Technology - - 2017
The Effect of Proof Loading on the Fatigue Behavior of Open Link ChainOpen link lifting chain is routinely proof loaded during manufacture. However, the effect of residual stresses imposed by this operation on the fatigue strength of the chain has not been quantitatively investigated. This paper discusses the results of constant amplitude fatigue tests on open link chain segments which have received proof loading at various levels. The chain was initially he... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 114 Số 1 - Trang 27-33 - 1992
Stochastic Aspects of Matrix Cracking in Brittle Matrix CompositesA computer simulation of multiple cracking in fiber-reinforced brittle matrix composites has been conducted, with emphasis on the role of the matrix flaw distribution. The simulations incorporate the effect of bridging fibers on the stress required for cracking. Both short and long (steady-state) flaws are considered. Furthermore, the effects of crack interactions (through the overlap of i... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 115 Số 3 - Trang 314-318 - 1993
Effect of Material Anisotropy and Curing Stresses on Interface Delamination Propagation Characteristics in Multiply Laminated FRP CompositesThe present study encompasses the thermoelastic effect of material anisotropy and curing stresses on interlaminar embedded elliptical delamination fracture characteristics in multiply laminated fiber-reinforced polymeric (FRP) composites. Two sets of full three-dimensional finite element analyses have been performed to calculate the displacements and interlaminar stresses along the delamin... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 128 Số 3 - Trang 383-392 - 2006
The Equivalence of the Final Stretch and Crack Tip Opening Angle Criteria for Plane Strain Crack GrowthThe equivalence of the final stretch and crack tip opening angle criteria, as applied to the Dugdale-Bilby-Cottrell-Swinden type model for Mode I plane strain crack growth, is demonstrated. This equivalence is independent of the plastic zone size, geometrical parameters, and the stress distribution within the fracture process zone, if the yield stress is sufficiently low and the crack grow... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 103 Số 2 - Trang 148-150 - 1981
Dislocation-Stacking Fault Tetrahedron Interactions in CuIn copper and other face centered cubic metals, high-energy particle irradiation produces hardening and shear localization. Post-irradiation microstructural examination in Cu reveals that irradiation has produced a high number density of nanometer sized stacking fault tetrahedra. The resultant irradiation hardening and shear localization is commonly attributed to the interaction between st... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 124 Số 3 - Trang 329-334 - 2002
On the Prediction of Stress Relaxation From Known Creep of Nonlinear MaterialsA method to predict the nonlinear relaxation behavior from creep experiments of nonlinear viscoelastic materials is presented. It is shown that for given nonlinear creep properties, and creep compliance represented by the Prony series, the Schapery creep model can be transformed into a set of first order nonlinear equations. The solution of these equations enables the obtaining of the nonl... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 119 Số 2 - Trang 121-124 - 1997
On the Microstructural Origin of Certain Inelastic ModelsA unifying program modeling the evolution of microstructures and their effects on the macroscopic response of materials is outlined. The new physical assumption introduced is the distinction among “normal” states associated with the parent lattice and “excited” states associated with the occurring microstructures. Both states are described by the usual balance laws of continuum mechanics p... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 106 Số 4 - Trang 326-330 - 1984
Elasto-Plastic Analysis of the Peel Test for Thin Film AdhesionAnalyses have been made to extract the objective interfacial fracture toughness from the peel strength of very thin metallic films. An elastoplastic bending model of the adherend film has been employed in the analyses applying the fracture mechanics concept of steady-state interfacial crack growth. The analytic result finally shown is a universal peel diagram where the objective interfacia... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 110 Số 3 - Trang 266-273 - 1988
Ultimate Strength and Failure Mechanism of Resistance Spot Weld Subjected to Tensile, Shear, or Combined Tensile/Shear LoadsStrength tests were performed to reveal the failure mechanisms of spot weld in lap-shear and cross tension test samples. It is shown the while the lap-shear (cross tension) sample is subjected to shear (normal) load at the structural level the failure mechanism at the spot weld is tensile (shear) mode at the materials level. Based on the observed failure mechanism, stress distribution is a... ... hiện toàn bộ
Journal of Engineering Materials and Technology - Tập 125 Số 2 - Trang 125-132 - 2003
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