TY - JOUR
T1 - Approximate expressions of maximum value of stress intensity factor of nozzle corner cracks
AU - Shutao, C.
AU - Xu, Yigeng
N1 - Copyright 2008 Elsevier B.V., All rights reserved.
PY - 1988/1/1
Y1 - 1988/1/1
N2 - Based on the flat plate-nozzle model loaded by uniform uniaxial tension, through some suitable reduction and approximation, the maximum value of stress intensity factor (K) along a crack front can be expressed by the weight function method for the flat plate-nozzle that is loaded by the uniform uniaxial tension and cylinder-nozzle loaded by internal pressure separately. This approach can be valuable for the prediction of fatigue life and failure analysis of pressure vessels. The results so calculated are compared with those reported in the literature and from experiments here reported; and they show good agreement, the discrepancies being less than 15%. This shows that the approximate expressions are effective and can be used in practice.
AB - Based on the flat plate-nozzle model loaded by uniform uniaxial tension, through some suitable reduction and approximation, the maximum value of stress intensity factor (K) along a crack front can be expressed by the weight function method for the flat plate-nozzle that is loaded by the uniform uniaxial tension and cylinder-nozzle loaded by internal pressure separately. This approach can be valuable for the prediction of fatigue life and failure analysis of pressure vessels. The results so calculated are compared with those reported in the literature and from experiments here reported; and they show good agreement, the discrepancies being less than 15%. This shows that the approximate expressions are effective and can be used in practice.
UR - http://www.scopus.com/inward/record.url?scp=0024129032&partnerID=8YFLogxK
U2 - 10.1016/0308-0161(88)90136-6
DO - 10.1016/0308-0161(88)90136-6
M3 - Article
AN - SCOPUS:0024129032
SN - 0308-0161
VL - 35
SP - 411
EP - 422
JO - International Journal of Pressure Vessels and Piping
JF - International Journal of Pressure Vessels and Piping
IS - 5
ER -