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Effect of SiC Particulates on the Corrosion Behavior of Extruded AZ91/SiCp Composites during the Early Stage of Exposure
Zhang, Chunyan; Zhang, Tao; Wang, Yanqiu; Wei, Fangfang; Shao, Yawei; Meng, Guozhe; Wang, Fuhui; Wu, Kun; zhangtao@hrbeu.edu.cn
2015
Source PublicationJOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN0013-4651
Volume162Issue:14Pages:C754-C766
AbstractThe effect of SiC particulates (SiCp) on the corrosion of extruded AZ91 magnesium matrix composites (EX-AZ91/SiCp MMCs) was investigated by means of weight loss and electrochemical measurements. The results indicate that the corrosion resistance of EX-AZ91/SiCp MMCs significantly decreases with increasing SiCp volume fraction, which can be explained by the changes in microstructure. The significant refinement of the beta phase accelerates the cathodic hydrogen reduction process, and the preferential recrystallization of the beta phase around the SiCp results in a serious microgalvanic corrosion of the a phase adjacent to the SiCp and the SiCp eventually dropping out of the matrix. (C) 2015 The Electrochemical Society. All rights reserved.
description.department[zhang, chunyan ; zhang, tao ; wei, fangfang ; shao, yawei ; meng, guozhe ; wang, fuhui] chinese acad sci, inst met res, lab corros & protect, shenyang 110016, peoples r china ; [zhang, chunyan ; zhang, tao ; wang, yanqiu ; shao, yawei ; meng, guozhe ; wang, fuhui] harbin engn univ, ministty educ, key lab superlight mat & surface technol, corros & protect lab, harbin 150001, peoples r china ; [wei, fangfang] univ sci & technol china, coll chem & mat sci, hefei 230026, peoples r china ; [wu, kun] harbin inst technol, sch mat sci & engn, harbin 150001, peoples r china
Funding OrganizationHundred Talents Program of Chinese Academy of Sciences; National Natural Science Foundation of China [51001107, 5153000271]; Key Laboratory of Superlight Material and Surface Technology (Harbin Engineering University), Ministry of Education
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74769
Collection中国科学院金属研究所
Corresponding Authorzhangtao@hrbeu.edu.cn
Recommended Citation
GB/T 7714
Zhang, Chunyan,Zhang, Tao,Wang, Yanqiu,et al. Effect of SiC Particulates on the Corrosion Behavior of Extruded AZ91/SiCp Composites during the Early Stage of Exposure[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2015,162(14):C754-C766.
APA Zhang, Chunyan.,Zhang, Tao.,Wang, Yanqiu.,Wei, Fangfang.,Shao, Yawei.,...&zhangtao@hrbeu.edu.cn.(2015).Effect of SiC Particulates on the Corrosion Behavior of Extruded AZ91/SiCp Composites during the Early Stage of Exposure.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,162(14),C754-C766.
MLA Zhang, Chunyan,et al."Effect of SiC Particulates on the Corrosion Behavior of Extruded AZ91/SiCp Composites during the Early Stage of Exposure".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 162.14(2015):C754-C766.
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