The reliability of the fracture mechanics approach to environmentally assisted cracking: 2. Engineering safe design

✍ Scribed by J. Toribio; V. Kharin

• Publisher: Elsevier Science
• Year: 1997
• Weight: 934 KB
• Volume: 18
• Category: Article
• ISSN: 0261-3069
• DOI: 10.1016/s0261-3069(97)00093-9

✦ Synopsis

This paper addresses the soundness of the fracture mechanics approach to the phenomenon -the K-dominance over all the process constituents -and reveals the intrinsic variability of the crack growth kinetics curve v= v(K) and the threshold stress intensity factor Kr,,. Suggestions to consolidate the approach by a strictly local treatment are outlined and a procedure is proposed for engineering safe design against environmentally assisted cracking based on the idea of the worst crack tip situation as the intrinsic one for the material-environment system.