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典型文献
Multi-action self-healing coatings with simultaneous recovery of corrosion resistance and adhesion strength
文献摘要:
In this study,a new self-healing strategy that can simultaneously recover the corrosion resistance and the adhesion strength of coatings was introduced.The coating was based on a shape memory epoxy resin containing ethylene vinyl acetate(EVA)microspheres loaded with Ce(NO3)3 inhibitors,and was cured at a relatively high temperature to facilitate the fusion of adjacent microspheres for a strength-ened self-healing effect.The electrochemical impedance spectroscopy(EIS)and scanning electrochemical microscopy(SECM)results demonstrated that the shape memory effect of epoxy matrix,the filling of molten EVA microspheres as well as the release of Ce(NO3)3 inhibitors contributed synergistically to sup-press the corrosion reaction at the coating damage.After healing,the low frequency impedance modulus of the coatings containing Ce(NO3)3-EVA microspheres was three orders of magnitude higher than that of the blank epoxy coating.The adhesion strength of the coatings containing Ce(NO3)3-EVA microspheres on the metal substrate was also largely repaired thanks to the strong bonding effect of the EVA micro-spheres.
文献关键词:
作者姓名:
Chenhao Ren;Yao Huang;Wenkui Hao;Dawei Zhang;Xiejing Luo;Lingwei Ma;Jinke Wang;Thee Chowwanonthapunya;Chaofang Dong;Xiaogang Li
作者机构:
Beijing Advanced Innovation Center for Materials Genome Engineering,Institute for Advanced Materials and Technology,University of Science and Technology Beijing,Beijing 100083,China;National Materials Corrosion and Protection Data Center,University of Science and Technology Beijing,Beijing 100083,China;State Key Laboratory of Advanced Power Transmission Technology(Global Energy Interconnection Research Institute Co.Ltd.),Beijing 100083,China;BRI Southeast Asia Network for Corrosion and Protection(MOE),Shunde Graduate School of University of Science and Technology Beijing,Foshan 528300,China;Faculty of International Maritime Studies,Kasetsart University,Sriracha Campus,199 Tungsukla,Sriracha,Chonburi 20230,Thailand
引用格式:
[1]Chenhao Ren;Yao Huang;Wenkui Hao;Dawei Zhang;Xiejing Luo;Lingwei Ma;Jinke Wang;Thee Chowwanonthapunya;Chaofang Dong;Xiaogang Li-.Multi-action self-healing coatings with simultaneous recovery of corrosion resistance and adhesion strength)[J].材料科学技术(英文版),2022(06):18-27
A类:
B类:
Multi,self,healing,coatings,recovery,corrosion,resistance,adhesion,strength,In,this,study,new,strategy,that,simultaneously,was,introduced,shape,memory,epoxy,resin,containing,ethylene,vinyl,acetate,EVA,microspheres,loaded,Ce,NO3,inhibitors,cured,relatively,temperature,facilitate,fusion,adjacent,ened,effect,electrochemical,impedance,spectroscopy,EIS,scanning,microscopy,SECM,results,demonstrated,matrix,filling,molten,well,release,contributed,synergistically,sup,press,reaction,damage,After,low,frequency,modulus,three,orders,magnitude,higher,blank,metal,substrate,also,largely,repaired,thanks,strong,bonding
AB值:
0.497919
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