Effect of Pb on the Mechanical Properties of Nanocrystalline A1
Journal Article
·
· Scripta Metallurgica et Materialia
OSTI ID:930775
- North Carolina State University
- ORNL
Nanocrystalline (nc) Al-Pb two phase mixtures of different Pb concentrations were made by two different routes using high energy ball milling. The microhardness measurements show a softening in nc Al-Pb composites with the increase in Pb content, contradicting the previous results reported in the literature. We conclude that interaction of Pb atoms with nanocrystalline Al grain boundaries is responsible for the softening of the nc Al matrix observed in the current study.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC05-00OR22725
- OSTI ID:
- 930775
- Journal Information:
- Scripta Metallurgica et Materialia, Vol. 55, Issue 2; ISSN 0956-716X
- Country of Publication:
- United States
- Language:
- English
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