Aging behavior of alloy 800H and associated mechanical property changes
Description
Aging behavior of five different heats of Alloy 800H was investigated in the temperature range 5380 to 8160C (1000 to 15000F) for times up to 8,000 h. Significant age-hardening was observed at low temperatures [i.e., 5380, 5930 and 6490C (10000, 11000 and 12000F) in most heats. One of the heats, however, exhibited less hardening. Microstructural changes occurring during aging were evaluated by optical metallography, transmission electron microscopy, and x-ray diffraction. Effects of thermal aging on both tensile properties and impact toughness properties were evaluated. The results show that the alloy exhibits good residual impact toughness and tensile ductility after aging up to 8,000 h
Availability note (English)
MF available from INIS under the Report Number; Available from NTIS., PC A03/MF A01.
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Additional details
Additional titles
- Augmented title (English)
- 538"0 to 816"0C
Publishing Information
- Imprint Pagination
- 28 p.
- Report number
- GA-A--15194
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 11504818
- Subject category
- S36: MATERIALS SCIENCE; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- AGE HARDENING; AGING; CARBIDES; CHEMICAL COMPOSITION; DUCTILITY; EXPERIMENTAL DATA; GRAIN BOUNDARIES; GRAPHS; HTGR TYPE REACTORS; INCOLOY 800; MICROSTRUCTURE; PRECIPITATION; REACTOR MATERIALS; TABLES; TENSILE PROPERTIES; YIELD STRENGTH
- Descriptors DEC
- ALLOYS; CARBON COMPOUNDS; CHROMIUM ALLOYS; CRYSTAL STRUCTURE; DATA; DATA FORMS; GAS COOLED REACTORS; GRAPHITE MODERATED REACTORS; HARDENING; HEAT RESISTING ALLOYS; INCOLOY ALLOYS; INFORMATION; IRON ALLOYS; IRON BASE ALLOYS; MECHANICAL PROPERTIES; NICKEL ALLOYS; NUMERICAL DATA; REACTORS; SEPARATION PROCESSES; TRANSITION ELEMENT ALLOYS