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Study on microstructure and properties of extruded Mg-2Nd-0.2Zn alloy as potential biodegradable implant material
J. L.; Tan Li, L. L.; Wan, P.; Yu, X. M.; Yang, K.
2015
Source PublicationMaterials Science & Engineering C-Materials for Biological Applications
ISSN0928-4931
Volume49Pages:422-429
AbstractMg-2Nd-0.2Zn (NZ20) alloy was prepared for the application as biodegradable implant material in this study. The effects of the extrusion process on microstructure, mechanical and corrosion properties of the alloy were investigated. The as-cast alloy was composed of alpha-Mg matrix and Mg12Nd eutectic compound. The solution treatment could lead to the Mg12Nd phase dissolution and the grain coarsening. The alloy (E1) preheated at 380 degrees C for 1 h and extruded at 390 degrees C presents fine grains with amounts of tiny Mg12Nd particles uniformly dispersed throughout the boundaries and the interior of the grains. The alloy (E2) preheated at 480 degrees C for 1 h and extruded at 500 degrees C exhibits relatively larger grains with few nano-scale Mg12Nd phase particles dispersed. The alloy of E1, compared with E2, showed relatively lower corrosion rate, higher yield strength and slightly lower elongation. (C) 2015 Elsevier B.V. All rights reserved.
description.department[li, junlei ; tan, lili ; wan, peng ; yu, xiaoming ; yang, ke] chinese acad sci, inst met res, shenyang 110016, peoples r china. ; tan, ll (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china. ; lltan@imr.ac.cn ; kyang@imr.ac.cn
KeywordMg-zn-nd Alloy Extrusion Microstructure Mechanical Property Corrosion Resistance In-vitro Degradation Zn-zr Alloys Mechanical-properties Magnesium Alloys Rare-earth Corrosion Properties Texture Extrusion Recrystallization Resistance
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73839
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. L.,Tan Li, L. L.,Wan, P.,et al. Study on microstructure and properties of extruded Mg-2Nd-0.2Zn alloy as potential biodegradable implant material[J]. Materials Science & Engineering C-Materials for Biological Applications,2015,49:422-429.
APA J. L.,Tan Li, L. L.,Wan, P.,Yu, X. M.,&Yang, K..(2015).Study on microstructure and properties of extruded Mg-2Nd-0.2Zn alloy as potential biodegradable implant material.Materials Science & Engineering C-Materials for Biological Applications,49,422-429.
MLA J. L.,et al."Study on microstructure and properties of extruded Mg-2Nd-0.2Zn alloy as potential biodegradable implant material".Materials Science & Engineering C-Materials for Biological Applications 49(2015):422-429.
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