Effect of secondary phase particles on the tensile behavior of Mg-Zn-Ca alloy

被引：33

作者：

Baek, Seung Mi ^{[1
]}

Park, Hyung Keun ^{[1
]}

Yoon, Jae Ik ^{[1
]}

Jung, Jaimyun ^{[1
]}

Moon, Ji Hyun ^{[1
]}

Lee, Seok Gyu ^{[1
]}

Kim, Jae H. ^{[2
,3
]}

Kim, Taek Soo ^{[4
]}

Lee, Sunghak ^{[1
]}

Kim, Nack J. ^{[2
,3
]}

Kim, Hyoung Seop ^{[1
,5
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, South Korea

[2] Pohang Univ Sci & Technol, Grad Inst Ferrous Technol, Pohang 790784, South Korea

[3] Pohang Univ Sci & Technol, Ctr Adv Aerosp Mat, Pohang 790784, South Korea

[4] Korea Inst Ind Technol, Div Adv Mat, Incheon 406130, South Korea

[5] Pohang Univ Sci & Technol, Ctr High Entropy Alloys, Pohang 790784, South Korea

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2018年 / 735卷

基金：

新加坡国家研究基金会;

关键词：

Mg-Zn-Ca alloy; Micro-digital image correlation; Tensile deformation; Finite element method; Secondary phase particle; Micro-crack; MECHANICAL-PROPERTIES; BIOMEDICAL APPLICATION; MICROSTRUCTURE; CORROSION; MAGNESIUM; PRECIPITATION; ENHANCEMENT; TEMPERATURE; PERFORMANCE; REFINEMENT;

D O I：

10.1016/j.msea.2018.08.050

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In the present study, the effect of secondary phase particles and deformation localization on tensile behaviors of Mg-Zn-Ca alloy were investigated using micro-digital image correlation method. To isolate the effect of the secondary phase particles on tensile behavior, the fractions of the secondary phase particles were adjusted by controlling the annealing temperature. Thermodynamic calculations were performed to identify the fractions of the secondary phase particles. The finite element method was conducted to confirm the localized deformation around the secondary phase particles considering 3-dimensional microstructure. The results suggest that the total fraction of the secondary phase particles affected the localized deformation around the particles and microcrack propagation process during a tensile test.

引用

页码：288 / 294

页数：7

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