사형 주조 마그네슘 합금의 인장 특성에 미치는 합금 원소와 결정립 미세화의 영향

Title
사형 주조 마그네슘 합금의 인장 특성에 미치는 합금 원소와 결정립 미세화의 영향
Other Titles
Effects of Alloying Element and Grain Refinement on the Tensile Properties of Mg-Alloy Casted with Sand Mold
Author(s)
권해욱한재준[한재준]
Keywords
Magnesium alloy; Tensile properties; Solidification; Sand casting; Alloying element
Issue Date
201108
Publisher
한국주조공학회
Citation
한국주조공학회지, v.31, no.4, pp.212 - 217
Abstract
The effects of alloying element and grain refinement on the tensile properties of magnesium alloy poured into sand mold were investigated. The strength of magnesium alloy was greatly increased by the addition of aluminium and that was increased with the increased aluminum content added up to 8.10 wt% and decreased beyond that. Even though the strength of Mg-8.10 wt%Al alloy was rather decreased by the addition of zinc, that was increased with increased zinc content added up to 0.50 wt% and decreased with the increased one beyond that. The maximum tensile strength was obtained with 0.50 wt%Mn added. The strength and elongation were simultaneously increased with grain refinement and the optimum amount of strontium addition for this was 0.30 wt%. The optimum chemical composition was obtained and the yield strength, tensile strength and elongation of the alloy with this composition were 90.2, 176.3MPa and 4.43%, respectively.
URI
http://hdl.handle.net/YU.REPOSITORY/24691
ISSN
1598-706X
Appears in Collections:
공과대학 > 신소재공학부 > Articles
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