表面处理对Alloy 825合金在超临界水中耐腐蚀性能的影响
Effects of Surface Treatment on Corrosion Resistance of Alloy 825 in Supercritical Water
摘 要
采用间歇式高温高压反应装置，研究了表面镀铬、镀TiN和酸洗钝化三种表面处理对Alloy 825合金在超临界水中耐腐蚀性能的影响。结果表明：在相同腐蚀介质中，表面处理后合金的耐腐蚀性能都优于未表面处理合金的，其耐腐蚀性能由高到低依次为镀铬、镀TiN、酸洗钝化；在腐蚀性最强的含氯含氧超临界水中，镀TiN、酸洗钝化和未处理合金试样的氧化膜脱落严重，镀铬合金表面生成的铬氧化物致密、稳定，因此具有最好的耐腐蚀性能；腐蚀后的合金表面氧化物主要成分均为Cr2O3和NiCr2O4。
表面处理
协同腐蚀
Alloy 825
supercritical water
surface treatment
synergistic corrosion
Alloy 825
Abstract
The effects of three surface treatments including Cr-coating, TiN-coating and acid (wash) passivation on the corrosion resistance of nickel-based alloy Alloy 825 in supercritical water were studied by intermittent high temperature and high pressure reactor. The results show that the corrosion resistance of the alloy samples after surface treatments was better than that of the untreated alloy sample in the same corrosive media, and their corrosion resistance from high to low was ranked as Cr-coating, TiN-coating, acid passivation. In the most corrosive supercritical water containig both chloride and oxygen, the oxidation film on surface of TiN-coated, acid passivated and untreated alloy samples exfoliated seriously, and the oxide of Cr forming on the surface of the Cr-coated alloy sample was dense and stable, so the Cr-coated alloy had the best corrosion resistance. The oxides on the surface of the alloy were mainly composed of Cr2O3 and NiCr2O4.
中图分类号 TG174 DOI 10.11973/fsyfh-202102004
所属栏目 试验研究
基金项目 广西自然科学青年基金项目（2016GXNSFBA380239）；广西自然科学基金培育项目（2018GXNSFAA138038）；广西科技重大专项（桂科AA18242007）
收稿日期 2019/5/15
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引用该论文: ZHENG Youchang,REN Pengwei,TANG Xingying,WANG Yinghui,YANG Jianqiao,LAO Yeyun. Effects of Surface Treatment on Corrosion Resistance of Alloy 825 in Supercritical Water[J]. Corrosion & Protection, 2021, 42(2): 19
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参考文献
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【23】李海丰,范洪远,张强,等. C-276镍基合金在600℃超临界水中的腐蚀产物及形成机理研究[J]. 核动力工程,2011,32(3):38-42.
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【26】SONG B,VOISEY K T,HUSSAIN T. High temperature chlorine-induced corrosion of Ni50Cr coating:HVOLF,HVOGF,cold spray and laser cladding[J]. Surface and Coatings Technology,2018,337:357-369.
【27】INOUE H,MAEDA Y,MIZUNO T. Corrosion-potential fluctuations and polarization resistance measurements in high-subcritical and supercritical water oxidation environment[C]//2004 Corrosion. Houston,TX:NACE International,2004.
【28】KRITZER P,BOUKIS N,DINJUS E. Review of the corrosion of nickel-based alloys and stainless steels in strongly oxidizing pressurized high-temperature solutions at subcritical and supercritical temperatures[J]. Corrosion,2000,56(11):1093-1104.
【29】MACDONALD D D,GUAN X. Volume of activation for the corrosion of type 304 stainless steel in high subcritical and supercritical aqueous systems[J]. Corrosion,2009,65(7):427-437.
【30】SUN C,SUN J B,WANG Y,et al. Synergistic effect of O2,H2S and SO2 impurities on the corrosion behavior of X65 steel in water-saturated supercritical CO2 system[J]. Corrosion Science,2016,107:193-203.
【31】卢建树,李肖华,张九渊,等. 316不锈钢和825镍基合金在超临界水氧化毒死蜱介质中的腐蚀[J]. 腐蚀科学与防护技术,2002,14(4):187-190.
【32】舒勇华,王福会,周龙江,等. 水蒸气和固态NaCl作用下Ti60合金的腐蚀[J]. 材料研究学报,1999,13(6):613-620.
【33】万先松,师玉英,马军,等. 电弧离子镀CrN涂层盐雾腐蚀行为[J]. 金属学报,2010,46(5):600-606.
【2】KRITZER P,BOUKIS N,DINJUS E. Factors controlling corrosion in high-temperature aqueous solutions:a contribution to the dissociation and solubility data influencing corrosion processes[J]. The Journal of Supercritical Fluids,1999,15(3):205-227.
【3】刘威,廖传华,陈海军,等. 超临界水氧化系统腐蚀的研究进展[J]. 腐蚀与防护,2015,36(5):487-492.
【4】SAVAGE P E. A perspective on catalysis in sub and supercritical water[J]. The Journal of Supercritical Fluids,2009,47(3):407-414.
【5】TANG X Y,WANG S Z,QIAN L L,et al. Corrosion behavior of nickel base alloys,stainless steel and titanium alloy in supercritical water containing chloride,phosphate and oxygen[J]. Chemical Engineering Research and Design,2015,100:530-541.
【6】沈朝,汪家梅,张乐福. 镍基合金C276在超临界水中的腐蚀行为[J]. 工程科学学报,2016,38(5):706-713.
【7】欧美琼,刘扬,查向东,等. 一种新型镍基合金在超临界多种离子共存环境下的腐蚀行为[J]. 金属学报,2016,52(12):1557-1564.
【8】徐鸿,邓博,朱忠亮,等. Haynes 282镍基合金在600~700℃超临界水中的氧化特性[J]. 机械工程材料,2018,42(3):1-8.
【9】KIM H S,YOON J H,HAN J H,et al. Influence of chromizing treatment on the corrosion behavior of AISI 316 stainless steel in supercritical water oxidation[J]. Metals and Materials International,2004,10(1):83-88.
【10】DREWS M J,WILLIAMS M,BARR M. The corrosion of sol-gel-coated type 316 SS in chlorinated SC water[J]. Industrial & Engineering Chemistry Research,2000,39(12):4772-4783.
【11】王玉珍,高芬,杨健乔,等. 316L不锈钢表面不同涂层的制备以及在超临界水中腐蚀特性研究[J]. 高校化学工程学报,2017,31(5):1177-1185.
【12】周亚倩,郝璐,朱凯明,等. 聚吡咯的合成及其在金属防腐蚀领域的应用[J]. 腐蚀科学与防护技术,2018,30(5):557-562.
【13】李娟娟. 石墨烯在金属防腐中的应用研究[D]. 成都:四川师范大学,2018.
【14】唐兴颖,王树众,徐东海,等. 超临界水氧化城市污泥中316L不锈钢的腐蚀行为[J]. 腐蚀与防护,2011,32(7):501-506.
【15】张瑞,阮臣良,尹慧博,等. H2S/CO2环境中Cl-浓度对镍基合金718耐腐蚀性能的影响[J]. 腐蚀科学与防护技术,2018,30(3):285-290.
【16】TANG X Y,WANG S Z,XU D H,et al. Corrosion behavior of Ni-based alloys in supercritical water containing high concentrations of salt and oxygen[J]. Industrial & Engineering Chemistry Research,2013,52(51):18241-18250.
【17】黄寿强,申哲民,朱南文,等. 几种高温合金在超临界NaCl水溶液中的腐蚀行为对比[J]. 机械工程材料,2014,38(2):48-53.
【18】谢冬柏,周游宇,鲁金涛,等. Cr对镍基合金在超临界水中氧化行为的影响研究[J]. 中国腐蚀与防护学报,2018,38(4):358-364.
【19】吴凡. 28CrMo钢表面磁控溅射TiN涂层的组织结构及耐腐蚀性能[J]. 材料保护,2017,50(5):9-11,32.
【20】史新伟,李杏瑞,邱万起,等. 电弧离子镀TiN及其复合膜的腐蚀机理探讨[J]. 真空科学与技术学报,2006,26(4):330-334.
【21】KIM H,MITTON D B,LATANISION R M. Corrosion behavior of Ni-base alloys in aqueous HCl solution of pH 2 at high temperature and pressure[J]. Corrosion Science,2010,52(3):801-809.
【22】卢建树. 超临界水氧化系统中合金腐蚀研究[D]. 杭州:浙江大学,2002.
【23】李海丰,范洪远,张强,等. C-276镍基合金在600℃超临界水中的腐蚀产物及形成机理研究[J]. 核动力工程,2011,32(3):38-42.
【24】DAIGO Y,WATANABE Y,SUE K. Effect of chromium ion from autoclave material on corrosion behavior of nickel-based alloys in supercritical water[J]. Corrosion,2007,63(3):277-284.
【25】ASSELIN E,ALFANTAZI A,ROGAK S. Thermodynamics of the corrosion of alloy 625 supercritical water oxidation reactor tubing in ammoniacal sulfate solution[J]. Corrosion,2008,64(4):301-314.
【26】SONG B,VOISEY K T,HUSSAIN T. High temperature chlorine-induced corrosion of Ni50Cr coating:HVOLF,HVOGF,cold spray and laser cladding[J]. Surface and Coatings Technology,2018,337:357-369.
【27】INOUE H,MAEDA Y,MIZUNO T. Corrosion-potential fluctuations and polarization resistance measurements in high-subcritical and supercritical water oxidation environment[C]//2004 Corrosion. Houston,TX:NACE International,2004.
【28】KRITZER P,BOUKIS N,DINJUS E. Review of the corrosion of nickel-based alloys and stainless steels in strongly oxidizing pressurized high-temperature solutions at subcritical and supercritical temperatures[J]. Corrosion,2000,56(11):1093-1104.
【29】MACDONALD D D,GUAN X. Volume of activation for the corrosion of type 304 stainless steel in high subcritical and supercritical aqueous systems[J]. Corrosion,2009,65(7):427-437.
【30】SUN C,SUN J B,WANG Y,et al. Synergistic effect of O2,H2S and SO2 impurities on the corrosion behavior of X65 steel in water-saturated supercritical CO2 system[J]. Corrosion Science,2016,107:193-203.
【31】卢建树,李肖华,张九渊,等. 316不锈钢和825镍基合金在超临界水氧化毒死蜱介质中的腐蚀[J]. 腐蚀科学与防护技术,2002,14(4):187-190.
【32】舒勇华,王福会,周龙江,等. 水蒸气和固态NaCl作用下Ti60合金的腐蚀[J]. 材料研究学报,1999,13(6):613-620.
【33】万先松,师玉英,马军,等. 电弧离子镀CrN涂层盐雾腐蚀行为[J]. 金属学报,2010,46(5):600-606.
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