Abstract
Specimens of alloy IN 100 creep tested at 950 “C in the load range of 65 to 110 MPa to a range of stepwise increasing creep strains were measured by small angle neutron scattering (SANS). A new procedure based on the anisotropic scattering signal of the crept specimens parallel and perpendicular to the load axis was used to evaluate the SANS data. Two parameters were derived from the SANS measurements which showed a good correlation with the creep strain of the specimens, nearly independent of the load applied during creep testing. These parameters allowed specimens with strains lower than 1.0 % from those with higher strains to be distinguished. Based on the findings it is possible to determine the local creep strain in creep tested specimens. This study encourages to verify SANS measurements on turbine blades with different service times in aircraft engines. The objective is the non-destructive measurement of local creep strain in order to get information on the residual life-time of turbine blades with unknown load history.
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.
