scholarly journals Crack Initiation Life of 304 Stainless Steel Notched Specimen at Elevated Temperature.

1992 ◽  
Vol 41 (460) ◽  
pp. 68-73 ◽  
Author(s):  
Hiroyuki TAKAHASHI ◽  
Takashi KAWAKAMI ◽  
Tetsuro UNO ◽  
Kenichi TAKAKURA ◽  
Katsumi WATASHI ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Elevated Temperature ◽  
Crack Initiation ◽  
304 Stainless Steel ◽  
Notched Specimen ◽  
Crack Initiation Life

Micro-Crack Initiation, Propagation and Threshold in Elevated Temperature Inelastic Fatigue

1986 ◽  
Vol 108 (2) ◽  
pp. 214-225 ◽  
Author(s):  
S. Usami ◽  
Y. Fukuda ◽  
S. Shida
Keyword(s):  
Stainless Steel ◽  
Elevated Temperature ◽  
Crack Initiation ◽  
304 Stainless Steel ◽  
Threshold Behavior ◽  
Wave Shape ◽  
Micro Cracks ◽  
Weld Defect ◽  
Effects Of Temperature ◽  
Temperature Strain

Micro-crack initiation, propagation and threshold behavior in plain, short crack, weld defect and notch specimens of 304 stainless steel are observed under elevated temperature strain-controlled inelastic fatigue conditions. The effects of temperature, strain rate, wave shape and strain gradient are analyzed and methods for estimating fatigue life and fatigue limit are postulated on the basis of the behavior of the micro-cracks.

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