凝汽器材料的耐磨蚀性能及电化学性能
Electrochemical Property and Erosion-corrosion Resistance of Condenser Materials
摘 要
模拟电厂凝汽器工况, 采用自行研制的磨蚀试验机比较了不锈钢板材304、316L、Sea-Cure、日本钛板以及管材Sea-Cure、白铜管B10、B30和产于中国、美国、日本三地的钛管的耐磨蚀性能, 进行了材料的维氏(HV)硬度分析和磨蚀腐蚀电化学试验。结果表明,各板材的耐磨蚀性能依次为Sea-Cure>日本Ti>304>316L, 管材为Sea-Cure>中国Ti>美国Ti>日本Ti>>B30>B10, 且国内外不同产地钛管的耐磨蚀性能稍有差异。材料的耐磨蚀性能主要由基底金属硬度与钝化膜修复能力决定, 硬度对应于机械冲刷作用, 钝化膜则对应于腐蚀作用。建议在含砂量较高的沿海电厂凝汽器可优先选用耐磨蚀性能更佳的Sea-Cure管代替钛管作为冷却管。
不锈钢
钛
白铜
磨蚀腐蚀
钝化膜
condenser
stainless steel
Ti
cupronickel
erosion-corrosion
passive film
Abstract
The erosion-corrosion behavior of condenser materials including stainless steel plates such as 304, 316L, Sea-Cure, Ti(titanium) produced in Japan and tubes such as Sea-Cure, cupronickel tubes B10, B30, Ti produced in China, America and Japan was investigated via a self-made liquid-solid two-phase flow erosion-corrosion testing machine. Through Vickers hardness test and erosion-corrosion electrochemical test, the erosion-corrosion properties of those materials were ranked and further analyzed. The results showed that resistance to erosion-corrosion of plates was: Sea-Cure>Ti produced in Japan>304>316L, and that of tubes was: Sea-Cure>Ti in China>Ti in America>Ti in Japan>>B30>B10. The performance of Ti produced respectively in China, America and Japan was slightly different. The resistance to erosion-corrosion was mainly determined by hardness of base metals and passivation film repair capacity. Hardness was corresponding to mechanical erosion and the passivation film was corresponding to corrosion. It was suggested that super ferritic stainless steel Sea-Cure should be used as condenser materials in coastal areas to replace common titanium tubes in power condensers.
中图分类号 TG174.2 DOI 10.11973/fsyfh-201508005
所属栏目 试验研究
基金项目 上海市科委资助项目(14DZ2261000); 山西省科技厅资助项目(20130321016-03)
收稿日期 2014/9/27
修改稿日期
网络出版日期
作者单位点击查看
备注梁磊(1955-), 教授, 从事不锈钢管凝汽器及热力设备的腐蚀与失效分析研究,
引用该论文: LIANG Lei,ZHAO Yang,LIU Shi-hong,LV Nan-nan,ZHANG Jian-liang. Electrochemical Property and Erosion-corrosion Resistance of Condenser Materials[J]. Corrosion & Protection, 2015, 36(8): 717
共有人对该论文发表了看法，其中：
人认为该论文很差
人认为该论文较差
人认为该论文一般
人认为该论文较好
人认为该论文很好
参考文献
【1】彭恩高. 材料的含沙水流冲蚀磨损性能研究[D]. 北京: 机械科学研究总院硕士学位论文, 2006.
【2】LOPEZ D,FALLEIROS N A. Corrosion-erosion behavior of austenitic and martensitic high nitrogen stainless steels[J]. Wear,2007,263(1/6): 347-354.
【3】张天成, 姜晓霞, 李诗卓. 钝化膜在腐蚀磨损过程中的作用[J]. 腐蚀科学与防护技术,1998,9(1/6): 259-263.
【4】CHEN F J,YAO C,YANG Z G. Failure analysis on abnormal wall thinning of heat-transfer titanium tubes of condensers in nuclear power plant. Part II: Erosion and cavitation corrosion[J]. Engineering Failure Analysis,2014(37): 42-52.
【5】BERMUDEZ M D,CARRION F J,MARTINEZ N G. Erosion-corrosion of stainless steels,titanium,tantalum and zirconium[J]. WEAR,2005,258(1/4): 693-700.
【6】梁磊,陈胤强,李政,等. 沿海电厂凝汽器用管材研究[J]. 中国电力,2009,42(1): 66-69.
【7】陈君,阎逢元,王建章. 海水环境下TC4钛合金腐蚀磨损性能的研究[J]. 摩擦学学报,2012,32(1): 1-6.
【8】姚聘,杨振国,袁建中,等. 凝汽器钛管外壁异常减薄的失效分析[J]. 复旦大学学报(自然科学版),2012,51(2): 148-153.
【9】张小彬, 刘常升, 陈岁元,等. 不锈钢表面激光熔覆抗空蚀涂层技术研究进展[J]. 材料导报,2007,21(10): 87-89.
【10】梁磊, 曲凤挺, 吕楠楠, 等. 管材内壁磨损磨蚀试验装置: 中国, 201310113889.X[P]. 2013-07-10.
【11】GB/T 30065-2013给水加热器用铁素体不锈钢焊接钢管[S].
【12】林泽泉,郭志,林斌,等. 核电厂不锈钢设备电化学钝化技术[J]. 腐蚀与防护,2013,34(7): 605-608,612.
【2】LOPEZ D,FALLEIROS N A. Corrosion-erosion behavior of austenitic and martensitic high nitrogen stainless steels[J]. Wear,2007,263(1/6): 347-354.
【3】张天成, 姜晓霞, 李诗卓. 钝化膜在腐蚀磨损过程中的作用[J]. 腐蚀科学与防护技术,1998,9(1/6): 259-263.
【4】CHEN F J,YAO C,YANG Z G. Failure analysis on abnormal wall thinning of heat-transfer titanium tubes of condensers in nuclear power plant. Part II: Erosion and cavitation corrosion[J]. Engineering Failure Analysis,2014(37): 42-52.
【5】BERMUDEZ M D,CARRION F J,MARTINEZ N G. Erosion-corrosion of stainless steels,titanium,tantalum and zirconium[J]. WEAR,2005,258(1/4): 693-700.
【6】梁磊,陈胤强,李政,等. 沿海电厂凝汽器用管材研究[J]. 中国电力,2009,42(1): 66-69.
【7】陈君,阎逢元,王建章. 海水环境下TC4钛合金腐蚀磨损性能的研究[J]. 摩擦学学报,2012,32(1): 1-6.
【8】姚聘,杨振国,袁建中,等. 凝汽器钛管外壁异常减薄的失效分析[J]. 复旦大学学报(自然科学版),2012,51(2): 148-153.
【9】张小彬, 刘常升, 陈岁元,等. 不锈钢表面激光熔覆抗空蚀涂层技术研究进展[J]. 材料导报,2007,21(10): 87-89.
【10】梁磊, 曲凤挺, 吕楠楠, 等. 管材内壁磨损磨蚀试验装置: 中国, 201310113889.X[P]. 2013-07-10.
【11】GB/T 30065-2013给水加热器用铁素体不锈钢焊接钢管[S].
【12】林泽泉,郭志,林斌,等. 核电厂不锈钢设备电化学钝化技术[J]. 腐蚀与防护,2013,34(7): 605-608,612.
相关信息
