scholarly journals Observation of Fatigue Crack Propagation Process in Cold-Rolled Low-Carbon Steel by X-Ray Microbeam Technique

1968 ◽  
Vol 17 (183) ◽  
pp. 1098-1102
Author(s):  
Shuji TAIRA ◽  
Keisuke TANAKA
Keyword(s):  
Fatigue Crack ◽  
Carbon Steel ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Low Carbon Steel ◽  
Low Carbon ◽  
Propagation Process ◽  
X Ray ◽  
Crack Propagation Process ◽  
Cold Rolled

Fatigue crack propagation behaviour in ultra-fine grained low carbon steel

2005 ◽  
Vol 27 (3) ◽  
pp. 235-243 ◽  
Author(s):  
M CHAPETTI ◽  
H MIYATA ◽  
T TAGAWA ◽  
T MIYATA ◽  
M FUJIOKA
Keyword(s):  
Fatigue Crack ◽  
Carbon Steel ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Low Carbon Steel ◽  
Low Carbon ◽  
Fine Grained

Aspects of Stage II fatigue crack propagation in low-carbon steel

1971 ◽  
Vol 6 (4) ◽  
pp. 319-323 ◽  
Author(s):  
G. Birkbeck ◽  
A. E. Inckle ◽  
G. W. J. Waldron
Keyword(s):  
Fatigue Crack ◽  
Carbon Steel ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Low Carbon Steel ◽  
Stage Ii ◽  
Low Carbon

scholarly journals Cyclic Deformation Behavior and Fatigue Crack Propagation of Low Carbon Steel Prestrained in Tension

2009 ◽  
Vol 2009 ◽  
pp. 1-4
Author(s):  
J. G. Wang ◽  
W. P. Jia ◽  
D. Y. Ju
Keyword(s):  
Fatigue Crack ◽  
Carbon Steel ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Axial Stress ◽  
Rolling Direction ◽  
Low Carbon Steel ◽  
Cyclic Softening ◽  
Low Carbon ◽  
Deformation Degree

The tests were performed on low carbon steel plate. In the tension fatigue tests, two angle values (ϕ=0°andϕ=45°,ϕis the angle between the loading and the rolling direction) have been chosen. The influence of strain path change on the subsequent initial work softening rate and the saturation stress has been investigated. Dislocation microstructure was observed by transmission electron microscopy. It was found that the strain amount of preloading in tension has obviously affected the cyclic softening phenomenon and the initial cyclic softening rate. It was observed that the reloading axial stress forϕ=45°case increased more than that ofϕ=0°case, due to the anisotropism of Q235. In the fatigue crack propagation tests, the experimental results show that with increasing the pretension deformation degree, the fatigue crack growth rate increases, especially at the near threshold section.

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