Abstract
Experimental and numerical investigations on the effect of constraint induced by different specimen sizes on creep crack growth had been conducted using compact tension specimen with P92 steel. The experimental results revealed that at the same C∗ values, creep crack growth rates increased as specimen size increased and the difference enlarged with increasing C∗ values. In addition, the variations of constraint level Q during creep were obtained and a modified C∗–Q approach incorporating constraint effect was proposed to predict creep crack growth. In comparison with conventional single C∗ parameter approach, two parameter approach could provide more accurate crack growth rates.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: 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.