Hudson, C. Michael <br/>
       EFFECT OF STRESS RATIO ON FATIGUE-CRACK GROWTH IN 7075-T-6 AND 2024-T-3 ALUMINUM-ALLOY SPECIMENS [NASA TN D-5390] 
 / Hudson, Michael C. 
 .- Washington, D.C.: National Aeronautics and Space Administration,  1969 
 .- 29p . 
.- ( National Aeronautics and Space Administration Nasa Technical Note   
<br/>Bound vol. contains NASA TN D 5381-5390 
<br/><u>Subject Headings:</u> <br/>Stress ratio;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR13258</b>, Full Call No.: NASA TN D-5390,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>