CURRENT DEVELOPMENTS IN COATED REFRACTORY METALS AND ALLOYS
Journal Article
·
· Metals Eng. Quart.
OSTI ID:4089007
The need for oxidation-resistant refractory metal sheet structures for hypersonic and re-entry vehicles resulted in some significant advances in coatings for molybdenum, niobium, tantalum, and tungsten. Manufacturing methods for large silicide-coated molybdenum parts are under development. Silicide coatings for niobium are being optimized for reliability and reproducibility. Silicides, but particularly aluminide coatings, appear promising for protecting tantalum. Silicide coatings were investigated for tungsten. Standardized testing procedures are under study, which, upon adoption, will advance the development of coatings. (auth)
- Research Organization:
- National Aeronautics and Space Agency, Washington, D.C.
- NSA Number:
- NSA-18-010491
- OSTI ID:
- 4089007
- Journal Information:
- Metals Eng. Quart., Journal Name: Metals Eng. Quart. Vol. Vol: 3: No. 3
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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