环境因素对纯Zn在饱和Zn(OH)_2溶液中腐蚀行为的影响Ⅱ——温度和溶解氧浓度  

Effect of Environmental Factors on Corrosion Behavior of Zn in Saturated Zn(OH)_2 Solution Ⅱ——Temperature and Dissolved Oxygen

作　　者：周开河[1] 方云辉[1] 徐孝忠[1] 江炯[1] 郭小平 刘栓 郑文茹 蒲吉斌 王立平 ZHOU Kaihe FANG Yunhui XU Xiaozhong JIANG Jiong GUO Xiaoping LIU Shuan ZHEN Wenru PU Jibin WANG Liping(State Grid Zhejiang Electric Power Corporation Ningbo Power Supply Company, Ningbo 315201, China Wuhu Spring New Material Co., Ltd, Wuhu 241000, China Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Key Laboratory of Marine Materials and Related Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

机构地区：[1]国网浙江省电力公司宁波供电公司,宁波315201 [2]芜湖春风新材料有限公司,芜湖241000 [3]中国科学院宁波材料技术与工程研究所中国科学院海洋新材料与应用技术重点实验室浙江省海洋材料与防护技术重点实验室,宁波315201

出　　处：《中国腐蚀与防护学报》2016年第6期529-534,共6页Journal of Chinese Society For Corrosion and Protection

基　　金：国家自然科学基金项目(41506098);中国博士后基金项目和第九批特等资助项目(2015M580528;2016T90553);浙江省博士后科研项目择优项目(BSH1502160);宁波市自然科学基金项目(2016A610261)资助

摘　　要：研究了纯Zn在模拟大气腐蚀环境(饱和Zn(OH)_2溶液)中的初期电化学腐蚀机理。利用失重实验,极化曲线和电化学阻抗技术测试溶解氧浓度和温度对纯Zn在饱和Zn(OH)_2溶液中电化学腐蚀行为的影响,采用SEM分析腐蚀产物形貌。结果表明:温度是影响纯Zn在饱和Zn(OH)_2溶液中腐蚀速控的主要因素,纯Zn在饱和Zn(OH)_2溶液中的腐蚀速率随着溶解氧浓度的降低而减小,随着溶液温度的升高而增大。Effect of temperature and dissolved oxygen concentration on electrochemical corrosion behavior of Zn in saturated Zn（OH）2 solutions, which aims to simulate the initial atmospheric corro- sion environment, was investigated by means of weight loss measurement, polarization curves and electrochemical impedance spectroscopy. The corrosion morphology of corrosion products was de- tected by SEM. The results indicated that solution temperature was the main factor that affected the corrosion rate of Zn in the saturated Zn（OH）2 solution. The corrosion rate of Zn decreased with the decrease of dissolved oxygen concentration, and increased with the increase of temperature in the saturated Zn（OH）2 solution.

关 键 词：纯Zn 腐蚀行为 温度 溶解氧 

分 类 号：TG174.3[金属学及工艺—金属表面处理]