新型环氧基极地船舶用破冰涂料低温耐磨耐蚀性能研究  

Low Temperature Wear and Corrosion Resistance of Epoxy Based Polar Marine Ice Breaking Coatings

作　　者：孙士斌[1] 史常伟 王东胜 常雪婷 李明春 SUN Shibin;SHI Changwei;WANG Dongsheng;CHANG Xueting;LI Mingchun(School of Logistics Engineering,Shanghai Maritime University,Shanghai 201306,China;School of Marine Science and Engineering,Shanghai Maritime University,Shanghai 201306,China;Ocean Chemical Research Institute Co.,Ltd.,Qingdao 266001,China)

机构地区：[1]上海海事大学物流工程学院,上海201306 [2]上海海事大学海洋科学与工程学院,上海201306 [3]海洋化工研究院有限公司,青岛266001

出　　处：《中国腐蚀与防护学报》2024年第5期1177-1188,共12页Journal of Chinese Society For Corrosion and Protection

基　　金：国家重点研发计划(2022YFB3705303);上海市科委技术标准项目(21DZ2205700);上海市教委“曙光”计划(19SG46);科技部国际合作交流项目(CU03-29);上海深海材料工程技术中心资助项目(19DZ2253100)。

摘　　要：将改性后的玄武岩粉(BP)和云母粉作为填料,以环氧树脂(EP)为基体开发了适用于极地船舶破冰区域使用的耐磨耐蚀复合涂层。鉴于冰区航行的海冰-海水摩擦腐蚀耦合作用使用条件要求,主要开展了涂层结合力、硬度测试,海水浸泡耐蚀性实验以及不同载荷和温度下低温模拟冰载荷摩擦磨损实验。实验结果表明:随着云母粉、玄武岩粉的骨料填料分别从10%(质量分数)增加到20%的变化,低温复合涂层与基体的结合力从1级降低为2级,维氏硬度提高约20%,耐腐蚀性能得到相应提升,摩擦系数也呈现出减小的趋势,耐磨性得到近50%的显著提升,体现出耐磨减阻效果。此外,随着温度的降低,极地船用低温涂层的磨损性能呈现先降低后增加的趋势,磨损率从0.3151 mm^(3)/(N·m)降低到0.0962 mm^(3)/(N·m)后又增加到0.1949 mm^(3)/(N·m),在0℃环境时磨损率最小,耐磨性最好,说明温度对涂层的耐磨性能影响较大。更佳的骨料含量比可以显著的提升复合涂层的低温耐磨性,磨损量更低。A wear-resistant and corrosion-resistant composite coating designed for application in polar ship icebreaking areas was developed with modified basalt powder(BP)and mica powder as filler,while epoxy resin(EP)as the matrix,which was then applied on FH36 Marine low temperature steel plate.Considering the requirements related with the presence of ice-seawater friction-corrosion coupling effect in the ice zone navigation,tests such as coating adhesion,hardness,corrosion resistance by seawater immersion,as well as simulated low-temperature ice load friction and wear by varying ice-loads at different temperatures.The results show that as the filler content of mica powder and basalt powder increased from 10%to 20%(in mass fraction),the adhesion between the low-temperature composite coating and the substrate decreased from level 1 to level 2,whereas,its Vickers hardness increased by approximately 20%,corrosion resistance was improved accordingly,and the friction coefficient exhibited a decreasing trend,resulting in a significant improvement of wear resistance by nearly 50%,demonstrating the wear-reducing effect.Additionally,with the decrease in temperature,the wear performance of the lowtemperature coating for polar ships showed a decreasing trend followed by an increasing trend.Meanwhile,the wear rate decreased successively from 0.3151 mm^(3)/(N∙m)to 0.0962 mm^(3)/(N∙m)and then increased to 0.1949 mm^(3)/(N∙m).The lowest wear rate and the best wear resistance were observed at 0℃,indicating that temperature has a significant impact on the wear performance of the coating.In sum,the higher aggregate content can significantly improve the low-temperature wear resistance of the composite coating,resulting in lower wear volume.

关 键 词：极地船舶 涂料 环氧树脂 低温摩擦 

分 类 号：TG172[金属学及工艺—金属表面处理]