Structure-property correlations in nanocrystalline Al-Zr alloy composites
- 1. Argonne National Lab., IL (United States). Materials Science Div.
- 2. Northwestern Univ., Evanston, IL (United States). Dept. of Materials Science and Engineering
Description
A study of the structure, grain size stability and Vickers microhardness of nanocrystalline aluminum-zirconium alloy composites was conducted. Samples were synthesized by the inert gas condensation process with electron beam evaporation. Transmission electron microscope examinations of the samples were performed at room and elevated temperatures. The behavior of the microstructures of the samples with time and temperature was investigated as a function of specimen composition. Vickers microhardness data were evaluated at room temperature in as-produced and polished compacted specimens. The local chemical composition of individual microhardness indents and average values of the grain size and porosity level were determined for a number of samples. Correlations among these microstructural variables and hardness were determined using multiple regression techniques
Additional details
Publishing Information
- Journal Title
- Acta Materialia
- Journal Volume
- 44
- Journal Issue
- 4
- Journal Page Range
- p. 1271-1286.
- ISSN
- 1359-6454
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- United States
- INIS RN
- 27053191
- Subject category
- S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE;
- Descriptors DEI
- ALUMINIUM ALLOYS; CHEMICAL COMPOSITION; COMPOSITE MATERIALS; GRAIN SIZE; MICROHARDNESS; MICROSTRUCTURE; POROSITY; REGRESSION ANALYSIS; SAMPLE PREPARATION; TEMPERATURE DEPENDENCE; TIME DEPENDENCE; TRANSMISSION ELECTRON MICROSCOPY; VAPOR CONDENSATION; X-RAY DIFFRACTION; ZIRCONIUM ALLOYS
- Descriptors DEC
- ALLOYS; COHERENT SCATTERING; CRYSTAL STRUCTURE; DIFFRACTION; ELECTRON MICROSCOPY; HARDNESS; MATERIALS; MATHEMATICS; MECHANICAL PROPERTIES; MICROSCOPY; SCATTERING; SIZE; STATISTICS; TRANSITION ELEMENT ALLOYS