Formation of high strength Mg-Cu-Zn-Y alloys

C. M. Zhang; X. Hui; K. F. Yao; Z. G. Li; G. L. Chen

doi:10.1016/j.msea.2008.02.040

Formation of high strength Mg-Cu-Zn-Y alloys

C. M. Zhang
, X. Hui^*
, K. F. Yao
, Z. G. Li
, G. L. Chen

^*Corresponding author for this work

University of Science and Technology Beijing

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Quaternary Mg₉₀(Cu_0.667Y_0.333)_10-xZn_x (x = 1.5, 3, 6) alloys, have been prepared by copper mold casting. Among these alloys, Mg₉₀(Cu_0.667Y_0.333)_10-xZn_x (x = 6) alloy exhibits high ultimate compressive strength, over 700 MPa, and pronounced compressive plasticity, as high as 11.7%. X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM) analysis reveal that the improvement of mechanical properties in the Mg base alloy is attributed to the formation of fine α-Mg dendrite and ternary eutectic phase (α-Mg + Cu₂Mg + CuMgZn). It is also found that Mg₉₀(Cu_0.667Y_0.333)₄Zn₆ alloy has some toughness fracture characterization. This work is expected to provide some hints for the composition design and processing technology of high strength magnesium alloys.

Original language	English
Pages (from-to)	470-475
Number of pages	6
Journal	Materials Science and Engineering: A
Volume	491
Issue number	1-2
DOIs	https://doi.org/10.1016/j.msea.2008.02.040
State	Published - 15 Sep 2008
Externally published	Yes

Keywords

Casting
Magnesium alloy
Mechanical property
Microstructure

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10.1016/j.msea.2008.02.040

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title = "Formation of high strength Mg-Cu-Zn-Y alloys",

abstract = "Quaternary Mg90(Cu0.667Y0.333)10-xZnx (x = 1.5, 3, 6) alloys, have been prepared by copper mold casting. Among these alloys, Mg90(Cu0.667Y0.333)10-xZnx (x = 6) alloy exhibits high ultimate compressive strength, over 700 MPa, and pronounced compressive plasticity, as high as 11.7\%. X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM) analysis reveal that the improvement of mechanical properties in the Mg base alloy is attributed to the formation of fine α-Mg dendrite and ternary eutectic phase (α-Mg + Cu2Mg + CuMgZn). It is also found that Mg90(Cu0.667Y0.333)4Zn6 alloy has some toughness fracture characterization. This work is expected to provide some hints for the composition design and processing technology of high strength magnesium alloys.",

keywords = "Casting, Magnesium alloy, Mechanical property, Microstructure",

author = "Zhang, \{C. M.\} and X. Hui and Yao, \{K. F.\} and Li, \{Z. G.\} and Chen, \{G. L.\}",

year = "2008",

month = sep,

day = "15",

doi = "10.1016/j.msea.2008.02.040",

language = "英语",

volume = "491",

pages = "470--475",

journal = "Materials Science and Engineering: A",

issn = "0921-5093",

publisher = "Elsevier Ltd",

number = "1-2",

}

TY - JOUR

T1 - Formation of high strength Mg-Cu-Zn-Y alloys

AU - Zhang, C. M.

AU - Hui, X.

AU - Yao, K. F.

AU - Li, Z. G.

AU - Chen, G. L.

PY - 2008/9/15

Y1 - 2008/9/15

N2 - Quaternary Mg90(Cu0.667Y0.333)10-xZnx (x = 1.5, 3, 6) alloys, have been prepared by copper mold casting. Among these alloys, Mg90(Cu0.667Y0.333)10-xZnx (x = 6) alloy exhibits high ultimate compressive strength, over 700 MPa, and pronounced compressive plasticity, as high as 11.7%. X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM) analysis reveal that the improvement of mechanical properties in the Mg base alloy is attributed to the formation of fine α-Mg dendrite and ternary eutectic phase (α-Mg + Cu2Mg + CuMgZn). It is also found that Mg90(Cu0.667Y0.333)4Zn6 alloy has some toughness fracture characterization. This work is expected to provide some hints for the composition design and processing technology of high strength magnesium alloys.

AB - Quaternary Mg90(Cu0.667Y0.333)10-xZnx (x = 1.5, 3, 6) alloys, have been prepared by copper mold casting. Among these alloys, Mg90(Cu0.667Y0.333)10-xZnx (x = 6) alloy exhibits high ultimate compressive strength, over 700 MPa, and pronounced compressive plasticity, as high as 11.7%. X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM) analysis reveal that the improvement of mechanical properties in the Mg base alloy is attributed to the formation of fine α-Mg dendrite and ternary eutectic phase (α-Mg + Cu2Mg + CuMgZn). It is also found that Mg90(Cu0.667Y0.333)4Zn6 alloy has some toughness fracture characterization. This work is expected to provide some hints for the composition design and processing technology of high strength magnesium alloys.

KW - Casting

KW - Magnesium alloy

KW - Mechanical property

KW - Microstructure

UR - https://www.scopus.com/pages/publications/46049113274

U2 - 10.1016/j.msea.2008.02.040

DO - 10.1016/j.msea.2008.02.040

M3 - 文章

AN - SCOPUS:46049113274

SN - 0921-5093

VL - 491

SP - 470

EP - 475

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

IS - 1-2

ER -

Formation of high strength Mg-Cu-Zn-Y alloys

Abstract

Keywords

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