Results 11 to 20 of about 8,141 (305)

THE THREE DIMENSIONAL CURVED ELASTICITY-PLASTICITY CRACK TIP OPENING DISPLACEMENT UNDER QUASI-STATIC LOAD

open access: yesJixie qiangdu, 2019
In this article, three dimensional elastic-plastic curved crack tip opening displacement under quasi-static loads has been mainly studied, and three dimensional curved crack tip opening displacement has been calculated as a practical application of a ...
YANG DaPeng   +4 more
doaj   +2 more sources

IMPACT OF HARDENING ON SLIGHTLY CURVED ELASTICITY-PLASTICITY CRACK TIP DISPLACEMENT UNDER QUASI-STATIC LOADS

open access: yesJixie qiangdu, 2015
In this article,elastic-plastic curved crack tip opening displacement in hardened material under quasi-static loads has been mainly studied,and curved crack tip opening displacement has been calculated as a practical application of a second order ...
YANG DaPeng   +4 more
doaj   +2 more sources

Characteristics of Separations in Fracture After Crack Tip Opening Displacement Tests of Low-Carbon Microalloyed Offshore Steel S460MLO

open access: yesAlloys
Using the results from testing industrial batches of 23 mm steel heavy plates after thermomechanical rolling and subsequent post-weld heat treatment, the patterns of fatigue crack formation in the fracture specimens during CTOD (Crack Tip Opening ...
Eugene Goli-Oglu   +2 more
doaj   +2 more sources

A numerical study of crack shielding and deflection under extensive plasticity [PDF]

open access: yes, 2009
Experimentally observed crack deflection events in multi-layered material systems, occurring even under pure mode-I loading, are here simulated and explained through elasto-plastic finite element modelling.
Reed, Philippa A.S.   +2 more
core   +1 more source

Moving interfacial Griffith crack between bonded dissimilar media

open access: yesJournal of Applied Mathematics, 2005
The plane strain problem of determining strain energy release rate, crack energy, and crack-opening displacement (COD) for a moving Griffith crack at the interface of two dissimilar orthotropic half-planes is considered.
S. Mukherjee, S. Das
doaj   +1 more source

Residual stress effects on fatigue crack growth rate of mild steel S355 exposed to air and seawater environments

open access: yesMaterials & Design, 2020
In this paper, the parameters of fatigue crack growth rate for Q355J2 steel exposed to air and seawater were presented using the “Paris' law” based on the stress intensity factor (SIF), J-integral, crack tip opening displacement (CTOD) and crack tip ...
Haohui Xin, Milan Veljkovic
doaj   +1 more source

Characterization on crack propagation of nuclear graphite under three-point bending

open access: yesNuclear Materials and Energy, 2019
The fracture properties of graphite produced in China, named as CLG, were studied by performing three-point bending tests on center-notched beams. The load-deflection (P-δ) curves and load-crack mouth opening displacement (P-CMOD) curves of the beams in ...
Yuxiang Tang, Hongniao Chen
doaj   +1 more source

The effect of low-cycle fatigue on evolution of fracture mechanics parameters in residual stress field caused by cold hole expansion [PDF]

open access: yesFracture and Structural Integrity, 2019
Localized displacement measurements based on electronic speckle-pattern interferometry are used to obtain crack mouth opening displacement (CMOD), stress intensity factor (SIF) and T-stress values during crack growth around cold-expanded holes.
Yu. G. Matvienko   +2 more
doaj   +1 more source

Effect of Thickness on Fatigue Crack Propagation in Injection Molded Short Carbon Fiber Reinforced Plastics

open access: yesMATEC Web of Conferences, 2018
The influence of plate thickness on the fatigue crack propagation behavior was studied by using center-notched specimens which were cut from injection-molded plates of short carbon-fiber reinforced polyphenylene sulfide (PPS) at two fiber angles relative
Shimizu Kenichi   +2 more
doaj   +1 more source

Comparative experimental study of the mechanical and fracture properties of Portland limestone and Corsehill sandstone

open access: yesFracture and Structural Integrity, 2019
An experimental investigation of the mechanical and fracture characteristics of Portland limestone and Corsehill sandstone is undertaken, aiming at enhancing understanding of the structural behaviour of these natural building stones commonly used in both
Aikaterini Marinelli, Matthew R. Stewart
doaj   +3 more sources

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