The effect of microstructure on the fatigue crack propagation behavior of an Al-Zn-Mg-Cu alloy

1981 ◽  
Vol 12 (9) ◽  
pp. 1613-1619 ◽  
Author(s):  
J. Lindigkeit ◽  
A. Gysler ◽  
G. Lütjering
Keyword(s):  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Fatigue Crack Propagation Behavior ◽  
Propagation Behavior ◽  
Cu Alloy ◽  
Crack Propagation Behavior ◽  
Effect Of Microstructure

scholarly journals Effect of Microstructure on Fatigue Crack Propagation Behavior in Ultrafine-Grained Steel.

2002 ◽  
Vol 51 (7) ◽  
pp. 795-800 ◽  
Author(s):  
Hidehiko KIMURA ◽  
Yoshiaki AKINIWA ◽  
Keisuke TANAKA ◽  
Jun KONDO ◽  
Tadashi ISHIKAWA
Keyword(s):  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Fatigue Crack Propagation Behavior ◽  
Propagation Behavior ◽  
Ultrafine Grained ◽  
Crack Propagation Behavior ◽  
Ultrafine Grained Steel ◽  
Effect Of Microstructure

scholarly journals Numerical Study on the Fatigue Crack Propagation Behavior in Flattened Martensite Dual Phase Steel

2007 ◽  
Vol 6 (0) ◽  
pp. 387-397 ◽  
Author(s):  
Tarou Osawa ◽  
Daisuke Ueno ◽  
Hanako Shimoike ◽  
Tsugio Hashimoto ◽  
Mitsuo Nakashima ◽  
...  
Keyword(s):  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Dual Phase Steel ◽  
Numerical Study ◽  
Dual Phase ◽  
Fatigue Crack Propagation Behavior ◽  
Propagation Behavior ◽  
Crack Propagation Behavior

Effect of Biaxial Static Loads on Fatigue Crack Propagation Behavior under Cyclic Tensile and Torsional Loading

2006 ◽  
Vol 321-323 ◽  
pp. 720-723
Author(s):  
Yong Hak Huh ◽  
Philip Park ◽  
Dong Jin Kim ◽  
Jun Hyub Park
Keyword(s):  
Fatigue Crack ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
Growth Rates ◽  
Biaxial Loading ◽  
Torsional Loading ◽  
Static Loads ◽  
Fatigue Crack Propagation Behavior ◽  
Propagation Behavior ◽  
Crack Propagation Behavior

Fatigue crack propagation behavior under cyclic tensile or torsional loading with biaxial static loads has been investigated. Two different biaxial loading systems, i.e. cyclic tensile loading with static torsional load and cyclic torsional loading with static tensile load, were employed to thin-walled tubular specimens. The crack propagation was measured by two crack gages mounted near the notch and crack opening level was measured by unloading compliance method. The directions of the fatigue crack propagated under respective biaxial loading conditions were examined and the growth rates were evaluated by using several cyclic parameters, including equivalent stress intensity factor range, Keff, crack tip opening displacement range, CTD, minimum strain energy density factor range, Smin. Furthermore, the growth rates were evaluated by effective cyclic parameters considering crack closure. It was found that the biaxial static stress superimposed on the cyclic tensile or torsional loading tests has no influence on the propagation directions of the cracks. Furthermore, it was shown that the fatigue crack growth rates under biaixial faigue loading were well expressed by using the cyclic fatigue parameters, Keq,eff, CTDeff, Smin,eff considering crack closure effect.

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