Effect of solid-solution and aging treatment on corrosion behavior of orthogonal designed and vacuum melted Mg-Zn-Ca-Mn alloys
Liu, Dexue1,2; Zhou, Tianshui1,2; Liu, Zehua1,2; Guo, Bing1,2
2020-01
Source PublicationJOURNAL OF APPLIED BIOMATERIALS & FUNCTIONAL MATERIALS
Volume18
AbstractFast degradation rate and inhomogeneous corrosion are obstacles for magnesium alloy bio-corrosion properties. In this paper, a quaternary Mg-Zn-Ca-Mn alloy was designed by an orthogonal method and prepared by vacuum induction melting to investigate its bio-corrosion. Microstructure, corrosion morphology, and bio-corrosion properties of as-cast alloys 1 to 5 with good corrosion resistance were characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffraction with immersion and electrochemical tests in simulated body fluid (SBF), respectively. Both the orthogonal method and in vitro degradation experiments demonstrated that alloy 3 exhibited the lowest degradation rate among the tested quaternary Mg-Zn-Ca-Mn alloys. Then, as-cast alloy 3 was treated by solid-solution and solid-solution aging. In vitro experimental results indicated that as-cast alloy 3 showed better corrosion resistance than heat-treated specimens and the average corrosion rate was approximately 0.15 mm/y. Heat-treated alloy 3 exhibited more uniform corrosion than as-cast alloy specimens. These results suggest that alloy 3 has the potential to become a biodegradable candidate material.
KeywordMg-Zn-Ca-Mn alloy heat-treatment in vitro degradation bio-corrosion properties orthogonal method
DOI10.1177/2280800019887906
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51365029][51664041] ; Program for Support Projects of Science and Technology in Gansu Province[1604GKCA038]
WOS Research AreaBiophysics ; Engineering ; Materials Science
WOS SubjectBiophysics ; Engineering, Biomedical ; Materials Science, Biomaterials
WOS IDWOS:000510667100001
PublisherSAGE PUBLICATIONS LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64176
Collection材料科学与工程学院
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorLiu, Dexue
Affiliation1.Lanzhou Univ Technol, Sch Mat Sci & Engn, 287 Langongping Rd, Lanzhou 730050, Peoples R China
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou, Peoples R China
First Author AffilicationColl Mat Sci & Engn;  State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Corresponding Author AffilicationColl Mat Sci & Engn;  State Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
First Signature AffilicationColl Mat Sci & Engn
Recommended Citation
GB/T 7714
Liu, Dexue,Zhou, Tianshui,Liu, Zehua,et al. Effect of solid-solution and aging treatment on corrosion behavior of orthogonal designed and vacuum melted Mg-Zn-Ca-Mn alloys[J]. JOURNAL OF APPLIED BIOMATERIALS & FUNCTIONAL MATERIALS,2020,18.
APA Liu, Dexue,Zhou, Tianshui,Liu, Zehua,&Guo, Bing.(2020).Effect of solid-solution and aging treatment on corrosion behavior of orthogonal designed and vacuum melted Mg-Zn-Ca-Mn alloys.JOURNAL OF APPLIED BIOMATERIALS & FUNCTIONAL MATERIALS,18.
MLA Liu, Dexue,et al."Effect of solid-solution and aging treatment on corrosion behavior of orthogonal designed and vacuum melted Mg-Zn-Ca-Mn alloys".JOURNAL OF APPLIED BIOMATERIALS & FUNCTIONAL MATERIALS 18(2020).
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