Fig. 6: Morphology and EDS mapping of the cross-sectional Fe-40Ni-15Co superalloy samples after the HTO tests.

a, b As-received samples after HTO for 20 h and 300 h. c, d MAC samples after HTO for 20 h and 300 h.
a, b As-received samples after HTO for 20 h and 300 h. c, d MAC samples after HTO for 20 h and 300 h.