The annihilation of antiphase boundary tubes and their effect on strengthening in Ni3Al
Journal Article
·
· Acta Materialia
- Thermo Fisher Scientific, Hillsboro, OR (United States); Dartmouth College, Hanover, NH (United States); OSTI
- Dartmouth College, Hanover, NH (United States)
The temperature at which antiphase boundary (APB) tubes anneal out of lightly-strained Ni-rich Ni3Al thin foils has been measured via in-situ heating in a transmission electron microscope to be ~530 °C. Given this new information, the wealth of literature on the mechanical properties of Ni3Al across the entire temperature regime of the yield stress anomaly, ~25–800 °C, is re-evaluated to consider the impact of APB tubes. Contrary to previous theoretical predications, APB tubes do not appear to affect the strength of Ni3Al.
- Research Organization:
- Dartmouth College, Hanover, NH (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES): National Cancer Institute (NCI)
- Grant/Contract Number:
- SC0018962
- OSTI ID:
- 1976793
- Journal Information:
- Acta Materialia, Journal Name: Acta Materialia Journal Issue: C Vol. 237; ISSN 1359-6454
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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