Aging behavior of YAl2p/Mg-14Li-1Al composite

Guoqing Wu; Tao Zhang; Wei Sha; Sujie Wang; Zheng Huang

Aging behavior of YAl_2p/Mg-14Li-1Al composite

Guoqing Wu^*
, Tao Zhang
, Wei Sha
, Sujie Wang
, Zheng Huang

^*Corresponding author for this work

School of Materials Science and Engineering

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

5 Scopus citations

Abstract

YAl_2p/Mg-14Li-1Al composite was made by a stir-casting technique. The aging behavior of the composite was investigated using hardness test, differential scanning calorimetry, and X-ray diffraction. The results show that the microhardness variations of both the matrix alloy and its composite are related to the precipitation and decomposition of θ-MgLi₂Al phase. The strengthening of the composite is from the addition of YAl₂ particulates and the precipitation in matrix alloy. The former contribution is stable, but the latter is unstable and depends on the aging behavior. The addition of YAl₂ particulates delays occurring of the aging behavior of composite.

Original language	English
Pages (from-to)	2958-2961
Number of pages	4
Journal	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
Volume	43
Issue number	12
State	Published - 1 Dec 2014

Keywords

Aging behavior
Composite
Hardness
Intermetallics
Mg-Li alloy

Cite this

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title = "Aging behavior of YAl2p/Mg-14Li-1Al composite",

abstract = "YAl2p/Mg-14Li-1Al composite was made by a stir-casting technique. The aging behavior of the composite was investigated using hardness test, differential scanning calorimetry, and X-ray diffraction. The results show that the microhardness variations of both the matrix alloy and its composite are related to the precipitation and decomposition of θ-MgLi2Al phase. The strengthening of the composite is from the addition of YAl2 particulates and the precipitation in matrix alloy. The former contribution is stable, but the latter is unstable and depends on the aging behavior. The addition of YAl2 particulates delays occurring of the aging behavior of composite.",

keywords = "Aging behavior, Composite, Hardness, Intermetallics, Mg-Li alloy",

author = "Guoqing Wu and Tao Zhang and Wei Sha and Sujie Wang and Zheng Huang",

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T1 - Aging behavior of YAl2p/Mg-14Li-1Al composite

AU - Wu, Guoqing

AU - Zhang, Tao

AU - Sha, Wei

AU - Wang, Sujie

AU - Huang, Zheng

PY - 2014/12/1

Y1 - 2014/12/1

N2 - YAl2p/Mg-14Li-1Al composite was made by a stir-casting technique. The aging behavior of the composite was investigated using hardness test, differential scanning calorimetry, and X-ray diffraction. The results show that the microhardness variations of both the matrix alloy and its composite are related to the precipitation and decomposition of θ-MgLi2Al phase. The strengthening of the composite is from the addition of YAl2 particulates and the precipitation in matrix alloy. The former contribution is stable, but the latter is unstable and depends on the aging behavior. The addition of YAl2 particulates delays occurring of the aging behavior of composite.

AB - YAl2p/Mg-14Li-1Al composite was made by a stir-casting technique. The aging behavior of the composite was investigated using hardness test, differential scanning calorimetry, and X-ray diffraction. The results show that the microhardness variations of both the matrix alloy and its composite are related to the precipitation and decomposition of θ-MgLi2Al phase. The strengthening of the composite is from the addition of YAl2 particulates and the precipitation in matrix alloy. The former contribution is stable, but the latter is unstable and depends on the aging behavior. The addition of YAl2 particulates delays occurring of the aging behavior of composite.

KW - Aging behavior

KW - Composite

KW - Hardness

KW - Intermetallics

KW - Mg-Li alloy

UR - https://www.scopus.com/pages/publications/84920882192

M3 - 文章

AN - SCOPUS:84920882192

SN - 1002-185X

VL - 43

SP - 2958

EP - 2961

JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 12

ER -

Aging behavior of YAl_2p/Mg-14Li-1Al composite

Abstract

Keywords

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