海水泵密封环失效特征与加速腐蚀速率试验研究  

Research on the Failure Characteristics and Accelerated Corrosion Rate Test of Sealing Rings in Seawater Pump

作　　者：李子杰 丛子龙 孙嘉徽 赵信宇 陈荣[2] 顾家瑜 LI Zijie;CONG Zilong;SUN Jiahui;ZHAO Xinyu;CHEN Rong;GU Jiayu(Shanghai Institute of Ship Equipment,Shanghai 200031,China;National and Local Joint Engineering Research Center for Reliability Analysis and Testing of Mechanical and Electrical Products of Zhejiang Sci-Tech University,Hangzhou 310018,China)

机构地区：[1]上海船舶设备研究所,上海200031 [2]浙江理工大学机电产品可靠性分析与测试国家地方联合工程研究中心,浙江杭州310018

出　　处：《电子产品可靠性与环境试验》2024年第6期47-53,共7页Electronic Product Reliability and Environmental Testing

摘　　要：首先,针对实船失效密封件材料中的9442镍铝青铜,利用扫描电子显微镜(SEM)分析镍铝青铜腐蚀件的形貌与断口,利用能谱分析技术(EDS)分析腐蚀件表面的腐蚀产物组分;然后,开展镍铝青铜材料、2205不锈钢两种材料组合腐蚀试验,得到了各试验件在不同工况下的腐蚀特征;最后,进行加速因子分析,探究密封环失效特征和加速腐蚀速率。Firstly,the morphology and fracture of 9442 Ni-Al bronze corroded parts are analyzed by SEM,and the components of corrosion products are analyzed by EDS.Then,the combined corrosion test of nickel-aluminum bronze material and 2205 stainless steel is carried out,and the corrosion characteristics of each test piece under different working conditions are obtained.Finally,the acceleration factor analysis is carried out and the failure characteristics of the seal ring and the accelerated corrosion rate are explored.

关 键 词：密封件 失效特征 腐蚀试验 加速腐蚀速率 加速因子 

分 类 号：TB114.35[理学—概率论与数理统计]