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EVOLUTION OF PRECIPITATE MORPHOLOGY DURING EXTRUSION IN Mg ZK60A ALLOY

Title
EVOLUTION OF PRECIPITATE MORPHOLOGY DURING EXTRUSION IN Mg ZK60A ALLOY
Author
Megumi Kawasaki
Keywords
magnesium alloy; ZK60A; precipitation; extrusion
Issue Date
2015-07
Publisher
POLSKA AKAD NAUK
Citation
ARCHIVES OF METALLURGY AND MATERIALS, v. 60, NO 2, Page. 1423-1426
Abstract
In this study, a continuously casted ZK60A magnesium alloy (Mg-Zn-Zr) was extruded in two different extrusion ratios, 6:1 and 10:1. The evolution of precipitates was investigated on the two extruded materials and compared with that of as-casted material. The microstructural analysis was performed by electron backscatter diffraction and transmission electron microscopy, and the compositional information was obtained using energy-dispersive X-ray spectroscopy. Several distinct morphologies of precipitates were observed, such as dot, rod, and disk shaped. The formation mechanisms of those precipitates were discussed with respect to the heat and strain during the extrusion process.
URI
https://www.degruyter.com/view/j/amm.2015.60.issue-2/amm-2015-0145/amm-2015-0145.xmlhttp://hdl.handle.net/20.500.11754/26617
ISSN
1733-3490; 2300-1909
DOI
10.1515/amm-2015-0145
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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