Results 131 to 140 of about 12,713 (195)

Morphologically Guided Mesoscopic Pore System for Enhancing the Impact Resistance of Stomatopod Telson. [PDF]

Chem Bio Eng
Dong Z, Gao L, Xue J, Bian L, Wang L, Zhang B, Dong Y, Chen S, Zhang Y.   +8 more
europepmc   +1 more source

The effect of amorphous Si₃N₄ nanoparticles and magnetized distilled water on the mechanical properties and infrared transmittance of α-Al₂O₃. [PDF]

Sci Rep
Darabi M, Sharifi EM, Vafaei R, Eshaghi A, Loghman-Estarki MR.   +4 more
europepmc   +1 more source

The strain rate-dependent stress corrosion cracking behavior of a biodegradable Mg-Zn-Cu alloy. [PDF]

Sci Rep
Jia H, Li Y, Xu S, Wang L, Xi Y.
europepmc   +1 more source

Evaluation of the Effect of Chairside Adjustment Extent on the Biaxial Flexural Strength of Aged Monolithic Zirconia. [PDF]

Cureus
Elmamooz N, Doosty Z.
europepmc   +1 more source

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Maximal Crack Tip Shielding by Microcracking

Journal of Applied Mechanics, 1989
It is shown here that the shielding effect of a distribution of microcracks, i.e., the extent to which they alleviate the severity of a near-tip singular field, is maximized when the microcracks develop normal to the direction of maximum tension. In passing, we derive mode I asymptotic solutions for a class of anisotropic damage models.
M. Ortiz, A. E. Giannakopoulos
openaire   +1 more source

Crack tip shielding/antishielding by impurity atoms

International Journal of Fracture, 1988
The impurity crack tip shielding/antishielding stress intensity factor is found for equilibrium impurity concentrations near the crack tip for a crack tip with or without a plastic zone. It is found that the impurity atoms produce either no shielding/antishielding stress intensity factor or only a very small shielding/antishielding stress intensity ...
J. Weertman, J. E. Hack
openaire   +1 more source

Crack Tip Dislocations and its Shielding Effect

Materials Science Forum, 2007
Two dimensional simulations of discrete dislocation dynamics were carried out to clarify a shielding effect due to dislocations at a crack tip. The configuration of dislocations around the crack tip was calculated under the conditions of mode I tensile load at high temperatures.
Masaki Tanaka, Yumi Hoshino, Alexander Hartmaier, Kenji Higashida   +3 more
openaire   +1 more source

Atomic-Scale Mechanism of Crack-Tip Plasticity: Dislocation Nucleation and Crack-Tip Shielding

Physical Review Letters, 1997
By isolating the process of dislocation emission from a crack tip under an applied tensile stress, we extract from a molecular dynamics simulation the atomic-level displacement and stress fields on the activated slip plane before and after the nucleation event.
Fabrizio Cleri, Sidney Yip, Dieter Wolf, Simon R. Phillpot   +3 more
openaire   +1 more source