Failure stresses for axially part-through flawed pipes made of moderately tough materials are predicted by several fracture mechanics. However, allowable flaw sizes using these fracture mechanics cannot be simply described because there are many effective parameters such as pipe diameter, wall thickness, material properties, etc. To establish codes and standards to evaluate flaws for piping of light water reactors, we determine unified allowable sizes for axial flaws in pipes subjected to internal pressure from J-integral based fracture mechanics. The allowable sizes are simply tabulated using a single parameter which consists of pipe geometry and material properties.
Allowable sizes of axial flaws in pressurized pipes made of moderate toughness materials
International Journal of Pressure Vessels and Piping ; 76 , 6 ; 371-377
1999
7 Seiten, 10 Quellen
Article (Journal)
English
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