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典型文献
Effects of interfacial wettability on arc erosion behavior of Zn2SnO4/Cu electrical contacts
文献摘要：
Interface wettability is a vital role in directly impacting the electrical contact characteristics of oxides/Cu-based composites under arc erosion.Exploring its influence mechanism,especially at atomic/electronic scales,is significant but challenging for the rational design of oxides/Cu contacts.Here,we designed Zn2SnO4/Cu electrical contacts aiming to solve the poor wettability of SnO2/Cu composites.It was found that Zn2SnO4 could remarkably improve the arc resistance of Cu-based electrical contacts,which was benefited by the excellent interface wettability of Zn2SnO4/Cu.The characterization of eroded surface indicated that Zn2SnO4 particles distributed uniformly on the contact surface,leading to stable elec-trical contact characteristic.Nevertheless,SnO2 considerably deteriorated the arc resistance of SnO2/Cu composite by agglomerating on the surface.The effect mechanism of wettability on arc resistance was investigated through density function theory(DFT)study.It revealed that strong polar covalent bonds across the Zn2SnO4/Cu interface contributed to improving the interfacial adhesion strength/wettability and thus significantly enhanced the arc resistance.For binary SnO2/Cu interface,ionic bonds resulted in weak interface adhesion,giving rise to deterioration of electrical contact characteristic.This work dis-closes the bonding mechanism of oxide/Cu interfaces and paves an avenue for the rational design of ternary oxide/Cu-based electrical contact materials.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[2] 经济（F） / 工业经济（F4） / 中国工业经济（F42）
[3] 医药、卫生（R） / 神经病学与精神病学（R74） / 神经病学（R741）
作者姓名：
Wei-Jian Li;Zi-Yao Chen;Hao Jiang;Xiao-Han Sui;Cong-Fei Zhao;Liang Zhen;Wen-Zhu Shao
作者机构：
School of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China;College of Nuclear Equipment and Nuclear Engineering,Yantai University,Yantai 264005,China;National Key Laboratory of Precision Hot Processing of Metals,Harbin Institute of Technology,Harbin 150001,China
文献出处：
材料科学技术（英文版）
引用格式：
[1]Wei-Jian Li;Zi-Yao Chen;Hao Jiang;Xiao-Han Sui;Cong-Fei Zhao;Liang Zhen;Wen-Zhu Shao-.Effects of interfacial wettability on arc erosion behavior of Zn2SnO4/Cu electrical contacts)[J].材料科学技术（英文版）,2022(14):64-75
A类：
agglomerating
B类：
Effects,interfacial,wettability,arc,erosion,behavior,Zn2SnO4,electrical,contacts,Interface,vital,role,directly,impacting,characteristics,oxides,composites,under,Exploring,its,influence,mechanism,especially,atomic,electronic,scales,challenging,rational,Here,designed,aiming,solve,poor,SnO2,It,was,found,that,could,remarkably,improve,resistance,which,benefited,by,excellent,characterization,eroded,surface,indicated,particles,distributed,uniformly,leading,stable,Nevertheless,considerably,deteriorated,effect,investigated,through,density,function,theory,DFT,study,revealed,strong,polar,covalent,bonds,across,contributed,improving,adhesion,strength,thus,significantly,enhanced,For,binary,ionic,resulted,weak,giving,rise,deterioration,This,work,closes,bonding,interfaces,paves,avenue,ternary,materials
AB值：
0.48337
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