Abstract
TMF tests were carried out on EN-GJSA-XNiSiCr35-5-2 at constant minimum temperature (400°C) and varying maximum temperatures (Tmax=700°C, 800°C, 900°C) with hold times of 180s at Tmax and two phase angles (in-phase (IP), 180° out-of-phase (OP)). The results showed a comparable strength under OP- and IP-TMF loading. At Tmax=700°C and 900°C, the lifetime in IP-tests was slightly longer than that of OP-tests, while it is vice versa at Tmax=800°C. The IP-tests at Tmax=900°C showed a similar lifetime as OP-tests at Tmax=700°C and 800°C, which was unexpected for such a high testing temperature. All IP-tests at Tmax=900°C showed a continuous cyclic softening from the beginning on, which was different from all other testing conditions. Complementary metallographic investigations indicated that under this test condition, intergranular creep damage is present in the volume of the test pieces.
Sign-in/Register to access full text options 
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.
