Mg 조성에 따른 Zn-Mg 합금의 기계적 특성 평가Evaluation of the Mechanical Properties of Zn-Mg Alloys with Composition of Mg
- Other Titles
- Evaluation of the Mechanical Properties of Zn-Mg Alloys with Composition of Mg
- Authors
- Yu, Ji Min; Byun, Jong Min; Kim, Tae-Yeob; Jung, Woo-Sung; Kim, Young Do
- Issue Date
- Jun-2013
- Publisher
- KOREAN INST METALS MATERIALS
- Keywords
- alloys; casting; microstructure; hardness test; compression test
- Citation
- Korean Journal of Metal and Materials, v.51, no.6, pp.393 - 398
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Korean Journal of Metal and Materials
- Volume
- 51
- Number
- 6
- Start Page
- 393
- End Page
- 398
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162669
- DOI
- 10.3365/KJMM.2013.51.6.393
- ISSN
- 1738-8228
- Abstract
- In this study, Zn-Mg alloys with various Mg contents were manufactured by the casting method using an induction melting furnace. Then microstructure analysis and mechanical property tests were carried out. In the Zn-Mg alloy with a content of less than 7 wt%Mg, the hardness of the Zn-Mg alloys gradually increased as the Mg content increased but in the alloy with more than Zn-7 wt%Mg, the hardness was almost the same. Enhanced hardness is induced by the intermetallic compounds phase of Mg2Zn11 and MgZn2. In the compression test, Zn-3 wt%Mg had the best compression strength at 610 MPa, but Zn-7 wt%Mg and Zn-10 wt%Mg had a low compression strength at 343 Mpa and 111 MPa, respectively, although these alloys have excellent hardness. This study verified that Zn-Mg alloys containing a Zn phase have more toughness than those composed of only intermetallic compounds such as Mg2Zn11 and MgZn2.
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