Effects of Annealing Below Glass Transition Temperature on the Wettability and Corrosion Performance of Fe-based Amorphous Coatings

作     者：Dandan Liang Xiaodi Liu Yinghao Zhou Yu Wei Xianshun Wei Gang Xu Jun Shen Dandan Liang;Xiaodi Liu;Yinghao Zhou;Yu Wei;Xianshun Wei;Gang Xu;Jun Shen

作者机构：College of Mechatronics and Control EngineeringShenzhen UniversityShenzhen 518060China Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen UniversityShenzhen 518060China College of Materials Science and EngineeringTongji UniversityShanghai 201804China 

出 版 物：《Acta Metallurgica Sinica(English Letters)》 (金属学报（英文版）)

年 卷 期：2022年第35卷第2期

页      面：243-253页

核心收录：

学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0802[工学-机械工程] 080201[工学-机械制造及其自动化] 

基　　金：supported by the National Natural Science Foundation of China(No.51901138) the Postdoctoral Science Foundation of China(No.2020M672788) the National Key Research and Development Program of China(No.2018YFA0703605) 

主　　题：Activated combustion-high velocity air fuel(AC–HVAF) Amorphous coating Sub-Tg annealing Free volume Wettability Electrochemical behavior 

摘      要：This study investigated the effect of annealing below glass transition temperature(T_(g))on the microstructural characteristics,mechanical property,wettability,and electrochemical performance of activated combustion-high velocity air fuel(AC-HVAF)-sprayed Fe-Cr-Mo-W-C-B-Y amorphous coatings(ACs).Results showed that Fe-based ACs with a thickness of~300μm exhibited a fully amorphous structure with low *** from the reduced free volume,sub-T_(g) annealing increased the thermal stability,hardness,and surface hydrophobicity of Fe-based *** enhanced corrosion resistance of sub-T_(g) annealed ACs in 3.5 wt%NaCl solution was attributed to the increased surface hydrophobicity and passivation *** finding elucidates the correlation between sub-T_(g) annealing and the properties of Fe-based ACs,which promotes ameliorating ACs with superior performance.