新型试剂快速冷却螺纹钢的耐蚀性能Corrosion performance of rebar quenched in a novel agent
魏凤玉,胡芳,黄登銮
摘要(Abstract):
研究了螺纹钢在经冷却剂CQ、水或空气冷却后的耐蚀性能。室外大气暴露实验和干湿交替循环加速腐蚀实验表明,采用试剂CQ冷却的螺纹钢耐蚀性能明显优于水和空气冷却的。XRD、SEM和TPR结果表明,冷却剂对螺纹钢大气腐蚀产物的物相组成无影响,但影响其相对含量,从而改变锈层保护性系数。水冷、空冷和CQ冷螺纹钢的锈层保护性系数分别为0.23、0.27和0.43。因此,试剂CQ冷却的螺纹钢在大气腐蚀过程中生成了相对稳定致密的锈层,从而减缓了腐蚀反应的进行,对螺纹钢起一定的保护作用。
关键词(KeyWords): 螺纹钢;耐腐蚀性;冷却剂;保护性系数
基金项目(Foundation): 合肥工业大学生创新基金(cxsy10062)
作者(Author): 魏凤玉,胡芳,黄登銮
DOI: 10.13289/j.issn.1009-6264.2011.12.030
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