Mechanical properties and strengthening behavior of Mg-Zn-MM alloy

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Title:	Mechanical properties and strengthening behavior of Mg-Zn-MM alloy
Authors:	李勝隆;Wang, Jian-Yih;Saufan, Akhmad;Lin, P.H.;Bor, H.Y.;Lee, S.;Kawamura, Y.
Contributors:	工學院材料科學與工程研究所
Keywords:	Alloys;Condensed Matter Physics;Electron microscopy;General Materials Science;Hot working;Mechanical properties;Mechanical testing;Microstructure
Date:	2014-01-01
Issue Date:	2026-04-23 11:39:13 (UTC+8)
Publisher:	Elsevier BV;Elsevier B.V
Abstract:	摘要： The mechanical properties of Mg97Zn1MM2 alloy were studied. Owing to high hardness of its second phase, the yield strength of as-extruded Mg97Zn1MM2 alloy exceeds that of Mg97Zn1Y2 alloy. The microstructure is identified that the second phase in Mg97Zn1MM2 alloy is (La,Ce)(Mg,Zn)12. The hot rolling can refine the size of the second phases and disperse them uniformly. Hot rolling of Mg97Zn1MM2 alloy at 773 K provided a yield strength of 300 MPa. The strengthening mechanism of Mg97Zn1MM2 alloy is dispersion hardening by a strong second phase while that of Mg97Zn1Y2 alloy is precipitation strengthening by a long-period stacking ordered phase. [Display omitted] •The microhardness of second phase in Mg97Zn1MM2 is higher than that of Mg97Zn1Y2.•The second phase in Mg97Zn1MM2 is identified as (La,Ce)(Mg,Zn)12 phase.•The second phase in Mg97Zn1MM2 can be refined remarkably by rolling.•The strengthening mechanism of Mg97Zn1MM2 is dispersion hardening. 出版者： Elsevier B.V 出版日期： 2014-11-14 出處： Materials Chemistry and Physics, 2014-11, Vol.148 (1-2), p.28-31 版權： 2014 Elsevier B.V. 識別號： ISSN: 0254-0584 識別號： EISSN: 1879-3312 識別號： DOI: 10.1016/j.matchemphys.2014.07.004
Appears in Collections:	[Institute of Materials Science and Engineering] journal & Dissertation

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