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Metallic glass as a temperature sensor during ion platingThe temperature of the interface and/or a superficial layer of a substrate during ion plating was investigated using a metallic glass of the composition Fe67Co18B14Si1 as the substrate and as the temperature sensor. Transmission electron microscopy and diffraction studies determined the microstructure of the ion-plated gold film and the substrate. Results indicate that crystallization occurs not only in the film, but also in the substrate. The grain size of crystals formed during ion plating was 6 to 60 nm in the gold film and 8 to 100 nm in the substrate at a depth of 10 to 15 micrometers from the ion-plated interface. The temperature rise of the substrate during ion plating was approximately 500 C. Discontinuous changes in metallurgical microstructure, and physical, chemical, and mechanical properties during the amorphous to crystalline transition in metallic glasses make metallic glasses extremely useful materials for temperature sensor applications in coating processes.
Document ID
19860032168
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Miyoshi, K.
(NASA Lewis Research Center Cleveland, OH, United States)
Spalvins, T.
(NASA Lewis Research Center Cleveland, OH, United States)
Buckley, D. H.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Publication Information
Publication: Thin Solid Films
Volume: 127
ISSN: 0040-6090
Subject Category
Metallic Materials
Accession Number
86A16906
Distribution Limits
Public
Copyright
Other

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