程晓农,王荣荣,李冬升,戴起勋,黄燕,刘瑜,陶亚平

• 1:江苏大学材料科学与工程学院
• 2:江苏银环精密钢管股份有限公司

摘要(Abstract)：

利用X射线衍射仪(XRD)、扫描电镜(SEM)和能谱仪(EDS)等,对800H合金高温氧化膜的增厚动力学、形貌及氧化物组成进行了分析。结果表明,700和800℃下形成的氧化膜相近,由(Cr,Fe)2O3和Mn-Cr氧化物组成;900℃时的氧化膜急剧增厚,里层依然是Cr2O3,中间层则是Cr-Fe-Mn氧化物,外层为富Ti的氧化物。通过热力学和动力学计算,提出了800H合金氧化膜形成的模型,发现TiN的存在改变了氧化膜的结构。

关键词(KeyWords)： 800H合金;高温氧化;氧化膜;热力学计算

Abstract:

Keywords:

基金项目(Foundation): 江苏省科技成果转化项目(BA2010053);; 省级重点实验室开放课题(kjsmcx1004)

作者(Author): 程晓农,王荣荣,李冬升,戴起勋,黄燕,刘瑜,陶亚平

DOI: 10.13289/j.issn.1009-6264.2012.06.021

参考文献(References)：

• [1]陈伯清.高温气冷堆的技术特点与发展前景[J].引进与咨询,2006(12):3-4.CHEN Bo-qing.Technology specialty and development outlook of high-temperature gas-cooled reactor[J].Introduction and Consulting,2006(12):3-4.
• [2]尹清辽,孙玉良.模块式高温气冷堆超临界蒸汽发生器设计[J].原子能科学技术,2006,40(6):707-713.YIN Qing-liao,SUN Yu-liang.Supercritical steam generator design of modular high-temperature gas-cooled reactor[J].Atomic Energy Science andTechnology,2006,40(6):707-713.
• [3]程晓农,戴起勋,李冬升.核电装备管件管材新材料研究进展[J].金属热处理,2010,35(12):21-23.CHENG Xiao-nong,DAI Qi-xun,LI Dong-sheng.Developments of new materials used for key tube in nuclear equipment[J].Heat Treatment ofMetals,2010,35(12):21-23.
• [4]Fulger M,Ohai D,Mihalache M,et al.Oxidation behavior of Incoloy 800 under simulated supercritical water conditions[J].Journal of NuclearMaterials,2009,385(2):288-293.
• [5]Tan L,Allen T R,Yang Y.Corrosion behavior of alloy 800H(Fe-21Cr-32Ni)in supercritical water[J].Corrosion Science,2011,53:703-711.
• [6]WANG Hai-tao,ZHANG Guo-lin,YU Hua-shun,et al.Effects of chromium,aluminum and silicon on oxidation resistance of Fe-base superalloy[J].Journal of Materials Engineering,2008(12):73-77.
• [7]Pettersson C,Jonsson T,Proff C,et al.High temperature oxidation of the austenitic(35Fe27Cr31Ni)alloy sanicro 28 in O2+H2O environment[J].Oxid Met,2010,74:93-111.
• [8]Siddique M,Hussain N.Identification of iron oxides qualitatively/quantitatively formed during the high temperature oxidation of superalloys in air andsteam environments[J].J Mater Sci Techol,2009,25(4):479-482.
• [9]郑群.Fe-Cr基耐热合金的氧化及电导特性研究[D].四川大学,2006.
• [10]KUANG Wen-jun,WU Xin-qiang,HAN En-hou,et al.The Oxidation behavior of 304 stainless steel in oxygenated high temperature water[J].Corrosion Science,2010,52:4081-4087.
• [11]WANG Hai-tao,WANG Yu-qing.Effect of composite scale on high temperature oxidation resistance of Fe-Cr-Ni heat resistant alloy[J].ChinaFoundry,2009,6(2):109-114.

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