The heat energy averaged in a structural volume, Q*, was recently proposed by the authors as a fatigue damage index to correlate the fatigue behaviour of cracked and severely notched specimens, made of AISI 304L stainless steel. In this paper, the recent developments proposed by the authors to analytically link the Q* parameter to the Rice’s J-integral are presented and discussed.
The heat energy density averaged in the material structural volume to correlate the fatigue crack growth rate in stainless steel specimens
G. Meneghetti
;M. Ricotta
2018
Abstract
The heat energy averaged in a structural volume, Q*, was recently proposed by the authors as a fatigue damage index to correlate the fatigue behaviour of cracked and severely notched specimens, made of AISI 304L stainless steel. In this paper, the recent developments proposed by the authors to analytically link the Q* parameter to the Rice’s J-integral are presented and discussed.
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