Abstract
Fatigue crack initiation from notches in austenitic stainless steels has been studied using compact specimens of two common cryogenic alloys: AISI 316 and AISI 304L. The procedure is based on a fracture mechanics technique whereby ΔK p 1 2 a parameter proportional to the change in maximum elastic stress at the notch root, is correlated with the cycles to initiate a 0.254 mm crack. The effects of some experimental variables including notch radius, stress level, specimen size and test temperature (295, 76 and 4 K) are presented, and the fatigue crack initiation resistances of the AISI 316 and 304L austenitic steels are compared with martensitic and ferritic/pearlitic steel data at room temperature.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
