Mechanisms of the oxidation of metals and alloys: Annual progress report for the period 1 July 1985 to 30 June 1986
Technical Report
·
OSTI ID:7225415
Areas of research conducted during this period were oxidation/sulfidation of pure chromium, Fe-25 wt % Cr, and Fe-25 wt % Cr-10 wt % Al alloys, segregation of sulfur to grain boundaries in oxide scales, oxidation of rapidly solidified (crystalline) Fe-Cr-Ni-Si alloys, and oxidation of Cr-Y and Co-Cr-Y alloys. Work carried out in this program has demonstrated the occurrence of grain boundary segregation of sulfur in chromia and alumina scales and of yttrium in chromia scales. It has also been demonstrated that the segregated species cause a change in the growth rates of the scales, and, in the case of yttrium segregation, a change in growth mechanism and an increase in scale adherence.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge (USA). Dept. of Materials Science and Engineering
- DOE Contract Number:
- FG02-85ER45179
- OSTI ID:
- 7225415
- Report Number(s):
- DOE/ER/45179-T1; ON: DE87003389
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
ALUMINIUM ALLOYS
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL REACTIONS
CHROMIUM
CHROMIUM ALLOYS
COBALT ALLOYS
COBALT BASE ALLOYS
ELEMENTS
FLUIDS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
ION IMPLANTATION
IONS
IRON ALLOYS
IRON BASE ALLOYS
METALS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NONMETALS
OXIDATION
RESEARCH PROGRAMS
SCALING
SEGREGATION
SULFIDATION
SULFIDES
SULFUR
SULFUR COMPOUNDS
TRANSITION ELEMENTS
VAPORS
VERY HIGH TEMPERATURE
WATER VAPOR
YTTRIUM ADDITIONS
YTTRIUM ALLOYS
YTTRIUM IONS
360105* -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
ALUMINIUM ALLOYS
CHALCOGENIDES
CHARGED PARTICLES
CHEMICAL REACTIONS
CHROMIUM
CHROMIUM ALLOYS
COBALT ALLOYS
COBALT BASE ALLOYS
ELEMENTS
FLUIDS
GASES
HYDROGEN COMPOUNDS
HYDROGEN SULFIDES
ION IMPLANTATION
IONS
IRON ALLOYS
IRON BASE ALLOYS
METALS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NONMETALS
OXIDATION
RESEARCH PROGRAMS
SCALING
SEGREGATION
SULFIDATION
SULFIDES
SULFUR
SULFUR COMPOUNDS
TRANSITION ELEMENTS
VAPORS
VERY HIGH TEMPERATURE
WATER VAPOR
YTTRIUM ADDITIONS
YTTRIUM ALLOYS
YTTRIUM IONS