Results 201 to 210 of about 8,732 (235)

Stress and strain fields at the tip of a sharp V-notch in a power-hardening material

International Journal of Fracture, 1987
The stress and strain fields at the tip of a sharp V-notch in a power hardening material are researched in this paper. It is found that the singularity of strain energy density at the tip is first slightly decreased and then increased when the hardening exponent n increases if the notch angle is not too large.
Zhen-Bang Kuang, Xiao-Peng Xu
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Local strain energy density near sharp V-notches in plates

Journal of Applied Mechanics and Technical Physics, 2013
Conditions of fracture of the local strain energy density, which were first formulated by Sih for a sharp V-notch with an arbitrary tip angle, are proposed. The edges of the considered V-notch are free from loading. If loading schemes of type I and type II are used, it is shown that the known brittle fracture conditions proposed by Sih contradict one ...
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Estimation of critical applied stress for crack initiation from a sharp V-notch

Theoretical and Applied Fracture Mechanics, 2018
Abstract The aim of this paper is to estimate the critical applied stress value for a crack initiated from a sharp V-notch tip. The classical approach of linear elastic fracture mechanics (LELM) was generalized because the stress singularity exponent differs from 0.5 in the studied case.
Luboš Náhlík, Kateřina Štegnerová, Pavel Hutař   +2 more
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Mixed mode brittle fracture of sharp and blunt V-notches in polycrystalline graphite

Carbon, 2011
Brittle fracture of polycrystalline graphite is studied experimentally and theoretically using Brazilian disk specimens containing sharp and rounded-tip V-notches subjected to different degrees of loading mixity, ranging from pure mode I to pure mode II. The main purpose is twofold.
Ayatollahi M. R., Berto F., Lazzarin P.
openaire   +3 more sources

Singular fields near a sharp V-notch for power law creep material

International Journal of Fracture, 2010
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhu, Honglai, Xu, Jinquan, Feng, Miaolin
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A generalized weight function for cracks emanated from sharp and blunt V-notches

Theoretical and Applied Fracture Mechanics, 2018
Abstract This paper presents a generalized weight function which applicable to cracks initiated from V-notches with sharp or blunt tips. The proposed function is based on the composition solution of the weight function of an edge crack in a semi-infinite plate.
Mohammad Reza Mohammadi, Rahman Seifi
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A note on stress intensity factors for a crack emanating from a sharp V-notch

Engineering Fracture Mechanics, 2012
Abstract A concise and precise formula for mode-I stress intensity factor of a short crack emanating from the bisector of a V-notch has been derived by Philipps et al. The crack tip stress intensity factor is directly evaluated via the mode-I generalized stress intensity factor of an uncracked notch.
Jingbo Duan, Xianfang Li, Yongjun Lei
openaire   +1 more source

Fatigue strength of sharp V-notched specimens made of ductile cast iron

Engineering Failure Analysis, 2017
Abstract In the present, the high cycle fatigue strength of notched ductile cast iron is investigated. Experimental tests under axial loading, has been carried out on sharp V-notched specimens taken from heavy section casting considering nominal load ratios ( R  = 0). All specimens, taken from a heavy section casting, are characterized by a notch tip
F. Berto, P. Ferro, H. Salavati
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Experimental and Theoretical Assessment of Brittle Fracture in Engineering Components Containing a Sharp V-Notch

Experimental Mechanics, 2010
A criterion was proposed to predict brittle fracture in engineering components containing sharp V-shaped notches and subjected to mixed mode I/II loading. The criterion, called SV-MTS, was developed based on the maximum tangential stress (MTS) criterion proposed originally for analyzing crack problems.
M.R. Ayatollahi, A.R. Torabi, P. Azizi
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Three-dimensional vibrations of cylindrical elastic solids with V-notches and sharp radial cracks

Journal of Sound and Vibration, 2010
Abstract This paper provides free vibration data for cylindrical elastic solids, specifically thick circular plates and cylinders with V-notches and sharp radial cracks, for which no extensive previously published database is known to exist. Bending moment and shear force singularities are known to exist at the sharp reentrant corner of a thick V ...
O.G. McGee, J.W. Kim
openaire   +1 more source