JBK-75 microstructure specification recommendation. [Modified A-286]
JBK-75 microstructure specification recommendation. [Modified A-286]
Since the ASTM-E-45 standard for microcleanliness is not applicable to superalloys like JBK-75 stainless steel (Modified A-286), Rocky Flats should adopt the Ladish microcleanliness standard (APML Cleanliness Classification of High Temperature Alloys Chart, 1971), as a guide for setting material acceptance specifications for JBK-75. Inclusion ratings of S-2, N-2, C-2, and M-2 should be acceptable. The microstructure should have a grain size of 5 or finer, but not smaller than 9, and microsegregation (banding) should be kept to a minimum.
- University of North Texas United States
36 Materials Science, Segregation, Recommendations, Titanium Alloys 360102* -- Metals & Alloys-- Structure & Phase Studies, Stainless Steels, Iron Base Alloys, Aluminium Alloys, Specifications, Heat Resisting Alloys, Alloy-A-286, Iron Alloys, Molybdenum Alloys, Corrosion Resistant Alloys, Size, Nickel Alloys, Inclusions, Alloys, Crystal Structure, Chromium Alloys, Steels, Grain Size, Microstructure, Aluminium Additions
36 Materials Science, Segregation, Recommendations, Titanium Alloys 360102* -- Metals & Alloys-- Structure & Phase Studies, Stainless Steels, Iron Base Alloys, Aluminium Alloys, Specifications, Heat Resisting Alloys, Alloy-A-286, Iron Alloys, Molybdenum Alloys, Corrosion Resistant Alloys, Size, Nickel Alloys, Inclusions, Alloys, Crystal Structure, Chromium Alloys, Steels, Grain Size, Microstructure, Aluminium Additions
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