通过现场曝晒实验,采用SEM,EDS,XRD及电化学测量方法研究了Q235碳钢和09CuPCrNi-A耐候钢在武汉城市大气和武汉石化环境中交叉曝晒180 d后的腐蚀行为和规律.结果表明:Q235碳钢和09CuPCrNi-A耐候钢在武汉大气和武汉石化环境中交叉曝晒早期锈层表面凹凸不平,多裂纹和孔隙.不同环境条件下,早期腐蚀形成的锈层对后期腐蚀会产生影响,环境的变化会影响锈层的演化.从腐蚀动力学和极化曲线结果来看,存在I武汉站连续曝晒＜I武汉/石化交义曝晒＜I石化武汉交义曝晒＜I石化站连续曝晒的关系.
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