Effect of heat treatment on corrosion resistance and antibacterial ability of 0Cr15Ni5Cu3Mo carbon steel
作者机构:School of Materials and MetallurgyUniversity of Science and Technology LiaoningAnshan114000LiaoningChina State Key Laboratory of Metal Materials for Marine Equipment and ApplicationAnshan114000LiaoningChina
出 版 物:《Journal of Iron and Steel Research(International)》 (钢铁研究学报(英文版))
年 卷 期:2023年第30卷第12期
页 面:2505-2516页
核心收录:
学科分类:0710[理学-生物学] 1003[医学-口腔医学] 08[工学] 0804[工学-仪器科学与技术] 0805[工学-材料科学与工程(可授工学、理学学位)] 080502[工学-材料学]
基 金:supported by the National Natural Science Foundation of China(52074149,52204346) the Key Project of Liaoning Science and Technology Education Department(LJKZ0287,2020LNZD07) and the State Key Laboratory of Marine Equipment Made of Metal Material and Application(Grant No.HGSKL-USTLN-2021-07) the University of Science and Technology Liaoning Graduate Science Innovation Project(LKDYC202230)
主 题:Antibacterial property Carbon steel-Corrosion resistance Cu-rich phase Biofilm
摘 要:Before and after heat treatment,0Cr15Ni5Cu3MoN stainless steel(SS)samples were immersed in sulfate-reducing bacteria(SRB)environment to study the effect of heat treatment on the antimicrobial properties of Cu-containing stainless *** effect of heat treatment on the corrosion resistance and antibacterial ability of 0Cr15Ni5Cu3MoN SS was studied by scanning electron microscopy,transmission electron microscopy,laser scanning confocal microscopy,and *** results show that 0Cr15Cu3 SS has better antibacterial properties with fewer bacteria adsorbed on the surface after heat treatment,and its corrosion resistance is significantly ***,on the 7th day of immersion,the corrosion resistance of the heat-treated stainless steel was lower than that of the rolled stainless *** was due to the fact that the rolled samples were protected by biofilm at this time,while the surface bacteria on the heat-treated samples died,resulting in the exposure of the substrate surface and thus reducing the corrosion resistance of the heat-treated ***,because of the strong bactericidal properties of the heat-treated Cu-containing stainless steel,the corrosion resistance of the samples suddenly decreases in the middle stage of corrosion,and this discovery provides a new view to study the corrosion process of Cu-containing stainless steel in the SRB environment.