Results 111 to 120 of about 548,206 (222)

Plastic deformation and fracture of AlMg6/CNT composite: A damage evolution model coupled with a dislocation-based deformation model

Journal of Materials Research and Technology
Understanding the plastic deformation and fracture behavior of Carbon nanotube (CNT)-reinforced aluminum composites is crucial for determining the factors controlling their strength and ductility.
Farnaz Sasani, Ali Karimi Taheri, Hossein Bahrami, Majid Pouranvari   +3 more
doaj   +1 more source

Microstructural topology effects on the onset of ductile failure in multi-phase materials - a systematic computational approach

, 2015
Multi-phase materials are key for modern engineering applications. They are generally characterized by a high strength and ductility. Many of these materials fail by ductile fracture of the, generally softer, matrix phase.
de Geus, T. W. J., Geers, M. G. D., Peerlings, R. H. J.   +2 more
core   +2 more sources

Finite Element Modeling of Void Nucleation, Growth and Coalescence for Large Plastic Strain and Complex Loading Paths

, 2013
Proceedings http://mech.fsv.cvut.cz/cfrac/proceedings.pdfInternational audienceDuctile damage prediction is still an important issue in the mechanical industry. Ductile failure criteria as well as coupled damage models were enhanced in the last decade by
Bernacki, Marc, Bouchard, Pierre-Olivier, Roux, Emile   +2 more
core   +1 more source

Effect of Diabetes on Nitric Oxide Metabolism During Cardiac Surgery [PDF]

, 2001
The metabolism of nitric oxide (NO) during cardiac surgery is unclear. We studied the effect of diabetes on NO metabolism during cardiac surgery in 40 subjects (20 with diabetes and 20 without diabetes).
Matata, B
core  

A new implementation of the anisotropic plasticity–ductile damage model coupling Hill yield and GTN failure criteria in Abaqus UMAT: Identification of parameters for AA6022

Applications in Engineering Science
This paper adopts a 2D implementation of an anisotropic plasticity–ductile damage model coupling Hill yield and GTN failure criteria and extends it to a 3D implementation in a user material subroutine (UMAT) of Abaqus software.
Md. Zahidul Sarkar, Somnath Ghosh, Marko Knezevic   +2 more
doaj   +1 more source

Nonlinear shear wave interaction at a frictional interface: Energy dissipation and generation of harmonics

, 2011
Analytical and numerical modelling of the nonlinear interaction of shear wave with a frictional interface is presented. The system studied is composed of two homogeneous and isotropic elastic solids, brought into frictional contact by remote normal ...
Meziane, A., Norris, A. N., Shuvalov, A. L.   +2 more
core   +1 more source

Experimental and computational analysis of toughness anisotropy in an AA2139 Al-alloy for aerospace applications

, 2009
International audienceFracture toughness anisotropy of AA2139 (Al-Cu-Mg) in T351 and T8 conditions has been investigated via mechanical testing of smooth and notched specimens of different geometries, loaded in the rolling direction (L) or in the ...
Besson, Jacques, Morgeneyer, Thilo F., Proudhon, Henry, Sinclair, I., Starink, M.J.   +4 more
core   +1 more source

Numerical deterination of crack initiation moment in Charpy specimens and side-grooved specimens [PDF]

, 2015
Було проведено чисельне моделювання ударних випробувань зразків Шарпі та зразків з бічними надрізами у тривимірній постановці методом скінченних елементів з використанням моделі пошкоджуваності матеріалу Гарсона-Твергарда-Нідлмана (GTN).
Kondryakov, E., Panasenko, A., Кондряков, Евгений Александрович, Панасенко, Александр Вячеславович   +3 more
core  

Influence and evaluation of constraint on fracture toughness in pipeline research [PDF]

, 2012
Accessing nowadays fossil fuel reserves requires a strain-based design approach. Within such design, the ductile tearing resistance is a key parameter in assessing the defect tolerance. To determine this tearing resistance, full scale (pressurized) tests
De Waele, Wim, Denys, Rudi, Hertelé, Stijn, Verstraete, Matthias   +3 more
core  

Fracture mechanics of PVDF polymeric material : specimen geometry effects

, 2006
International audiencePolyvinylidene fluoride (PVDF) is a semi-crystalline polymer that has been widely studied for structural applications, because it exhibits good mechanical properties and chemical resistance.
Hochstetter, Gilles, Lafarge, Mélanie, Laiarinandrasana, Lucien   +2 more
core   +1 more source