Recent Progress and Development in Extrusion of Rare Earth Free Mg Alloys: A Review
来源期刊：Acta Metallurgica Sinica2019年第2期
论文作者：Shuai-Ju Meng Hui Yu Shao-Da Fan Qi-Zhi Li Sung Hyuk Park Joung Sik Suh Young Min Kim Xiao-Long Nan Ming-Zhe Bian Fu-Xing Yin Wei-Min Zhao Bong Sun You Kwang Seon Shin
文章页码：145 - 168
摘 要：Mg and its alloys are the lightest structural metals available and are extremely attractive for applications as lightweight components, particularly in the automobile, electronic, and aerospace industries. The global market for wrought Mg alloys has steadily expanded over the past decade. And numerous studies have been carried out to meet this increasing demand of high-performance Mg alloys. However, Mg extrusion alloys have had a very limited usage so far. To overcome existing industrial challenges, one desirable approach is the development of low-cost rare earth（RE） free Mg extrusion alloys with superior mechanical properties. This review will introduce the recent research highlights in the extrusion of Mg alloys, specifi cally focusing on low-cost RE-free Mg alloy. The results from both the literature and our previous study are summarized and critically reviewed. Several aspects of RE-free Mg extrusion alloys are described in detail:（1） novel alloying designs including Mg–Al-, Mg–Zn-, Mg–Ca-, Mg–Sn-, and Mg–Bi-based alloys,（2） advanced extrusion techniques, and（3） extrusion-related severe plastic deformation（SPD） processing. Accordingly, considering the large gap in mechanical properties between the current RE-free Mg alloys and high-performance aluminum alloys, new alloy design, processing route control, and recommendations for future research on RE-free Mg extrusion alloys are also proposed. We hope this review will not only off er insightful information regarding the extrusion of RE-free Mg alloys but also inspire the development of new Mg extrusion technologies.
Shuai-Ju Meng1，Hui Yu1，Shao-Da Fan1，Qi-Zhi Li1，Sung Hyuk Park2，Joung Sik Suh3，Young Min Kim3，Xiao-Long Nan4，Ming-Zhe Bian5，Fu-Xing Yin1，Wei-Min Zhao1，Bong Sun You3，Kwang Seon Shin6
1. School of Materials Science and Engineering , Hebei University of Technology2. School of Materials Science and Engineering , Kyungpook National University3. Materials Implementation Department , Korea Institute of Materials Science4. National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics , China Academy of Engineering Physics5. School of Materials Science and Engineering , Anhui University of Technology6. Magnesium Technology Innovation Center, School of Materials Science and Engineering , Seoul National University
摘 要：Mg and its alloys are the lightest structural metals available and are extremely attractive for applications as lightweight components, particularly in the automobile, electronic, and aerospace industries. The global market for wrought Mg alloys has steadily expanded over the past decade. And numerous studies have been carried out to meet this increasing demand of high-performance Mg alloys. However, Mg extrusion alloys have had a very limited usage so far. To overcome existing industrial challenges, one desirable approach is the development of low-cost rare earth（RE） free Mg extrusion alloys with superior mechanical properties. This review will introduce the recent research highlights in the extrusion of Mg alloys, specifi cally focusing on low-cost RE-free Mg alloy. The results from both the literature and our previous study are summarized and critically reviewed. Several aspects of RE-free Mg extrusion alloys are described in detail:（1） novel alloying designs including Mg–Al-, Mg–Zn-, Mg–Ca-, Mg–Sn-, and Mg–Bi-based alloys,（2） advanced extrusion techniques, and（3） extrusion-related severe plastic deformation（SPD） processing. Accordingly, considering the large gap in mechanical properties between the current RE-free Mg alloys and high-performance aluminum alloys, new alloy design, processing route control, and recommendations for future research on RE-free Mg extrusion alloys are also proposed. We hope this review will not only off er insightful information regarding the extrusion of RE-free Mg alloys but also inspire the development of new Mg extrusion technologies.
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