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Fig. 38. Photomicrographs of INOR-8 (Heat 5055) Strap Exposed t o the MSRE Core 7203 hr above 50OoC. (a) &-polished view near cut (b) Etched view near cut (c) A s polished view of outside edge (d) Etched view of outside edge. Etchant: Lactic acid, "03, HC1. Reduced 32%.