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Park, Sung Soo
Metal Alloy Design (MADe) Lab
Research Interests
  • Metals and alloys, materials properties (mechanical/physical/electrochemical/functional), biomedical implants, metals corrosion

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Grain refinement and improved tensile properties of Mg-3Al-1Zn alloy processed by low-temperature indirect extrusion

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Title
Grain refinement and improved tensile properties of Mg-3Al-1Zn alloy processed by low-temperature indirect extrusion
Author
Kim, BeomcheolPark, Chan HoKim, Ha SikYou, Bong SunPark, Sung Soo
Keywords
Artificial cooling; Grain refinement; Indirect extrusion; Magnesium alloy; Superplasticity
Issue Date
201404
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
SCRIPTA MATERIALIA, v.76, no., pp.21 - 24
Abstract
The microstructure and tensile properties of a Mg-3Al-1Zn alloy processed by low-temperature indirect extrusion utilizing artificial cooling were investigated. Grain refinement from 5.5 to 1.8 μm was attained by the application of artificial cooling, resulting in an increase in yield strength of as much as 50 MPa at room temperature as well as enhanced plasticity with tensile elongations of 200-320% at strain rates in the range of 3.3 × 10-5-1.0 × 10-4 s-1 at 150 °C.
URI
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DOI
http://dx.doi.org/10.1016/j.scriptamat.2013.12.005
ISSN
1359-6462
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