scholarly journals Comparison of local strain at the notch root between FEM analysis and experimental strain measurement under creep-fatigue conditions.

1987 ◽  
Vol 30 (268) ◽  
pp. 1543-1550
Author(s):  
Hiroshi UMEDA ◽  
Masao SAKANE ◽  
Masateru OHNAMI
Keyword(s):  
Strain Measurement ◽  
Notch Root ◽  
Fem Analysis ◽  
Local Strain ◽  
Creep Fatigue ◽  
Experimental Strain

Life Prediction for Notched Components in Nonproportional Low Cycle Fatigue: Experiment and FEM Analysis

2004 ◽  
Author(s):  
Masao Sakane ◽  
Tsuneo Itoh ◽  
Tomoshige Susaki ◽  
Yoshiyasu Kawazoe
Keyword(s):  
Crack Initiation ◽  
Linear Models ◽  
Low Cycle Fatigue ◽  
Notch Root ◽  
Fem Analysis ◽  
Local Strain ◽  
304 Stainless Steel ◽  
Cycle Fatigue ◽  
Notched Specimens ◽  
Strain Paths

This paper studies the low cycle fatigue of circumferential notched specimens of type 304 stainless steel in nonproportional loading. Strain controlled tension-torsion low cycle fatigue tests were carried out using the notched specimens under 15 strain paths. Crack initiation lives detected by a d.c. potential method were discussed in relation to the strain concentration factors and strain histories. Finite element analyses were carried out for evaluating the local strain at the notch root using elastic-perfectly plastic and bi-linear models. The maximum principal strain and nonproportional strain ranges conservatively estimated the crack initiation lives of the notched specimens.

Biophysical stress analysis of restored teeth: experimental strain measurement

1988 ◽  
Vol 4 (1) ◽  
pp. 41-48 ◽  
Author(s):  
D.L. Morin ◽  
W.H. Douglas ◽  
M. Cross ◽  
R. Delong
Keyword(s):  
Stress Analysis ◽  
Strain Measurement ◽  
Experimental Strain

The Fe−3Si steel etching technique for local strain measurement

1971 ◽  
Vol 11 (6) ◽  
pp. 248-253 ◽  
Author(s):  
G. T. Hahn ◽  
P. N. Mincer ◽  
A. R. Rosenfield
Keyword(s):  
Strain Measurement ◽  
Local Strain ◽  
Etching Technique
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