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TMS 2015 144th Annual Meeting & Exhibition
Ductile fracture and extremely low cycle fatigue (ELCF)  are two common failure modes in aircraft engines and turbomachinery designs ; however, the linkage between these two failure modes under multi-axial loading conditions has never been systematically studied. Inconel 718 (IN718) is one type of high temperature alloys widely used in turbomachines. Specially designed specimens and tests were used to achieve desired multi-axial loading conditions. Two groups of tests were conducted: (a)doi:10.1007/978-3-319-48127-2_124 fatcat:zsnrjexvwrd3lkqb6mlzlptpoy