Environmental fatigue crack propagation of aluminum alloys at low stress intensity levels

1970 ◽  
Vol 1 (6) ◽  
pp. 1741-1757 ◽  
Author(s):  
John A. Feeney ◽  
J. Corey Mcmillan ◽  
Robert P. Wei
Keyword(s):  
Fatigue Crack ◽  
Stress Intensity ◽  
Aluminum Alloys ◽  
Crack Propagation ◽  
Fatigue Crack Propagation

Fatigue and Corrosion-Fatigue Crack Propagation in Intermediate-Strength Aluminum Alloys

1973 ◽  
Vol 95 (3) ◽  
pp. 150-156 ◽  
Author(s):  
T. W. Crooker
Keyword(s):  
Growth Rate ◽  
Fatigue Crack ◽  
Stress Intensity ◽  
Aluminum Alloys ◽  
Crack Propagation ◽  
Fatigue Crack Propagation ◽  
High Stress ◽  
Stress Intensity Factor Range ◽  
Stress Intensity Range ◽  
Corrosion Fatigue Crack

Fatigue crack propagation studies were conducted on a variety of intermediate-strength aluminum alloys under high stress-intensity range cycling (ΔK > 10 ksiin.). Tests were conducted in ambient room air and in 3.5-percent NaCl saltwater environments. Data are presented on log-log coordinates in terms of fatigue crack growth rate (da/dN) as a function of the stress-intensity factor range (ΔK). Comparisons are made among similar crack propagation data for steel and titanium alloys.

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