Abstract
Ultra-precision machining was carried out on a furnace cooled (FC) eutectoid Zn-Al alloy specimen using a new technology of single point diamond turning (SPDT). Microstructural changes and phase decomposition at the surface of the ultra-precision machined alloy specimen were investigated. It was found that the ultra-precision machining induced external stress resulted in decomposition of the ε phase and crystal orientation changes of the Zn-rich phases: η and ε, at the surface of the machined FC Zn-Al alloy specimen, which were in agreement with the tensile stress induced phase transformations and crystal orientation changes in the FC Zn-Al alloy specimen.
| Original language | English |
|---|---|
| Pages (from-to) | 497-502 |
| Number of pages | 6 |
| Journal | Materials Science and Engineering A |
| Volume | 325 |
| Issue number | 1-2 |
| DOIs | |
| Publication status | Published - 28 Feb 2002 |
Keywords
- Phase decomposition
- Tensile deformation
- Ultra-precision machining
- Zn-Al alloys
ASJC Scopus subject areas
- General Materials Science
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