Results 21 to 30 of about 29,262 (266)

A Time-Integral Crack Propagation Model Considering Thickness Effect

open access: yesIEEE Access, 2019
The crack propagation mechanism of thick plates is difficult to describe accurately, and thus, it is difficult to predict the lifetimes of thick plate structural cracks in extreme construction environments.
Junzhou Huo   +5 more
doaj   +1 more source

Research on Fatigue Crack Propagation of 304 Austenitic Stainless Steel Based on XFEM and CZM

open access: yesMetals, 2020
The fatigue crack propagation of 304 austenitic stainless steel was studied both by experiments and numerical simulations. Two methods were applied to simulate the crack propagation: the extended finite element method (XFEM) and the cohesive zone model ...
Xiaodong Hu   +4 more
doaj   +1 more source

Crack growth behaviour of aluminium wrought alloys in the Very High Cycle Fatigue regime [PDF]

open access: yesMATEC Web of Conferences, 2018
Investigations have shown that in the regime of Very High Cycle Fatigue (VHCF) “natural” crack initiation often takes place underneath the material surface leading to crack propagation without contact to atmospheric components.
Bülbül Fatih   +5 more
doaj   +2 more sources

Fatigue crack propagation behavior of ethylene-propylene-diene monomer for external windshield capsule of high-speed train

open access: yesHecheng xiangjiao gongye
Plane tensile crack propagation behavior of ethylene-propylene-diene monomer for external windscreen capsule of high-speed train under different constant-amplitude fatigue loads was investigated, the evolution of the crack tip morphology during the crack
SUN Guo-dong1, LIN Sheng2, TANG Wei2, HU Xiao-ling3
doaj   +1 more source

INFLUENCE OF MATERIAL PARAMETER MISMATCH ON CRACK PROPAGATION IN COMPOSITE LAMINATES

open access: yesJixie qiangdu, 2022
The propagation path of cracks perpendicular to the interface of composite laminates usually takes many forms. By analyzing the stress field of crack tip during crack propagation, the driving force of crack tip is determined, in this way, the crack ...
LI YouTang, YANG Jia, ZHANG ZhanTao
doaj  

Slow Crack Propagation in Heterogeneous Materials [PDF]

open access: yesPhysical Review Letters, 2006
5 pages, 1 ...
Kierfeld, J., Vinokur, V.
openaire   +4 more sources

Thermal fatigue crack behavior of SiCp/A356 composites prepared by stirring casting

open access: yesResults in Physics, 2017
The thermal fatigue crack initiation and propagation behavior of SiCp/A356 composites which is produced by stirring casting were studied. Specimens with a V-shaped notch were used in the thermal fatigue experiment.
Like Pan   +6 more
doaj   +1 more source

Crack Propagation as a Free Boundary Problem [PDF]

open access: yesPhysical Review Letters, 2007
A newly developed sharp interface model describes crack propagation by a phase transition process. We solve this free boundary problem numerically and obtain steady state solutions with a self-consistently selected propagation velocity and shape of the crack, provided that elastodynamic effects are taken into account.
Müller-Krumbhaar, H.   +3 more
openaire   +4 more sources

Stable Crack Propagation Model of Rock Based on Crack Strain

open access: yesEnergies, 2022
The establishment of a rock constitutive model considering microcrack propagation characteristics is an important channel to reflect the progressive damage and failure of rocks.
Xiao Huang   +4 more
doaj   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

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