scholarly journals Brittle fracture prediction of key-hole notched specimens by means of J-integral expression

2020 ◽  
Vol 26 ◽  
pp. 246-250
Author(s):  
S.M.J. Razavi ◽  
H.R. Majidi ◽  
F. Berto
Keyword(s):  
Brittle Fracture ◽  
Fracture Prediction ◽  
J Integral ◽  
Integral Expression ◽  
Notched Specimens

Prediction of Brittle Fracture Under Generalised Elastic Plastic Loading

2008 ◽  
Author(s):  
S. J. Lewis ◽  
C. E. Truman ◽  
D. J. Smith
Keyword(s):  
Fracture Mechanics ◽  
Brittle Fracture ◽  
Ferritic Steel ◽  
Failure Prediction ◽  
J Integral ◽  
Local Approach ◽  
Elastic Plastic ◽  
Failure Data ◽  
Stress States ◽  
Plastic Loading

This article describes an investigation into the ability of a number of different fracture mechanics approaches to predict failure by brittle fracture under general elastic/plastic loading. Data obtained from C(T) specimens of A508 ferritic steel subjected to warm pre-stressing and side punching were chosen as such prior loadings produce considerably non-proportionality in the resulting stress states. In addition, failure data from a number of round notched bar specimens of A508 steel were considered for failure with and without prior loading. Failure prediction, based on calibration to specimens in the as received state, was undertaken using two methods based on the J integral and two based on local approach methodologies.

J-Integral Evaluation of Single-Edge Notched Specimens under Mixed-Mode I/II Loading

2001 ◽  
Vol 29 (3) ◽  
pp. 239 ◽  
Author(s):  
DR Petersen ◽  
RE Link ◽  
CD Donne ◽  
A Pirondi
Keyword(s):  
Mixed Mode ◽  
Mode I ◽  
J Integral ◽  
Single Edge ◽  
Integral Evaluation ◽  
Notched Specimens
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