Corrosion decomposition and mechanical behaviors of As-cast Mg-xZn-Zr alloys
Li, Xuewu1,2,3; Zhou, Longlong1; Shi, Tian1; Li, Ben4; Yu, Weining1; Zhang, Chuanwei1; Yan, Pan4; Zhang, Qiaoxin4; Tian, Haoliang5; Lv, Yuan1
2020-03-16
发表期刊MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
ISSN0947-5117
卷号71期号:9页码:9
通讯作者Shi, Tian(tianshi@xust.edu.cn) ; Li, Ben(liyiben@whut.edu.cn)
摘要Developing new-type alloy materials with excellent decomposition properties and mechanical behaviors is a thorny issue for preparing fracturing balls in oil exploitation. As-cast Mg-xZn-Zr alloys designed by regulating Zn contents have been fabricated in this study. Compressive strength and immersion corrosion test have been investigated to assess their feasibility as decomposition materials. Scanning electron microscopy and X-ray diffract meter have also been used to characterize surface morphologies and phase structures for determining their decomposition mechanism. Results show that matrix phases and secondary phases with discontinuous reticular features form on the alloys. They also achieve excellent mechanical properties to ensure stability and pressure-maintaining capacity in the decomposition process in chloride environment. Meanwhile, with Zn content and immersion time increasing, galvanic corrosion effect strengthens leading to accelerated specific mass loss rates of the alloys. Rapid corrosion decomposition of the alloys mainly attributes to anodic dissolution of matrix phases, exfoliation of microparticles, and poor resistance of corrosion products to the decomposition process. This study provides positive insight into the preparation of new-type Mg alloys for guaranteeing fast decomposition of fracturing balls and also ensuring their compressive strength stability.
关键词compressive strength corrosion decomposition decomposition mechanism Mg alloy
DOI10.1002/maco.202011567
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[51905417] ; Natural Science Foundation of Shaanxi Province[2019JQ-793] ; Open Fund of Shandong Key Laboratory of Corrosion Science[KLCS201907]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000563545900001
出版者WILEY-V C H VERLAG GMBH
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/168298
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Shi, Tian; Li, Ben
作者单位1.Xian Univ Sci & Technol, Sch Mech Engn, 58 Yanta Rd, Xian 710054, Peoples R China
2.Tsinghua Univ, State Key Lab Tribol, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Shandong Key Lab Corros Sci, Qingdao, Peoples R China
4.Wuhan Univ Technol, Sch Mech & Elect Engn, 122 Luoshi Rd, Wuhan 430070, Peoples R China
5.Beijing Inst Aeronaut Mat, Aviat Key Lab Sci & Technol Adv Corros & Protect, Beijing, Peoples R China
第一作者单位中国科学院海洋研究所
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GB/T 7714
Li, Xuewu,Zhou, Longlong,Shi, Tian,et al. Corrosion decomposition and mechanical behaviors of As-cast Mg-xZn-Zr alloys[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2020,71(9):9.
APA Li, Xuewu.,Zhou, Longlong.,Shi, Tian.,Li, Ben.,Yu, Weining.,...&Lv, Yuan.(2020).Corrosion decomposition and mechanical behaviors of As-cast Mg-xZn-Zr alloys.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,71(9),9.
MLA Li, Xuewu,et al."Corrosion decomposition and mechanical behaviors of As-cast Mg-xZn-Zr alloys".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 71.9(2020):9.
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