科研之友
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摘要
Ni superalloys have found broad application, but service conditions may influence their composition. X-ray photoelectron and secondary ion mass spectroscopies detected molybdenum oxides in the subsurface layer of air-annealed Ni-Cr-Fe-based superalloy samples. Distribution of molybdenum products is addressed. Molybdenum-disilicide heaters are identified as a source of out-of-specification molybdenum.
- 出版日期2016-7
