卢旭东,田素贵,陈涛

• 1:沈阳理工大学装备工程学院
• 2:沈阳工业大学材料科学与工程学院

摘要(Abstract)：

采用X射线(XRD)、扫描电镜(SEM/EDAX)等手段,研究了一种镍基合金在850℃和950℃熔融Na Cl的热腐蚀行为。结果表明:腐蚀期间,合金发生了高温氧化和热腐蚀行为;合金表面腐蚀产物分为3层,外层氧化物由Al2O3、Al Ta O4和Ni Cr2O4组成,中间层氧化物为Cr Ta O4、Ni WO4和WO3,而内层形成Al2O3内氧化物;且随腐蚀温度提高,合金表面的腐蚀层厚度及Al2O3内氧化层深度增加。

关键词(KeyWords)： 镍基合金;热腐蚀;熔盐

Abstract:

Keywords:

基金项目(Foundation): 辽宁省博士科研启动基金(20141088);; 辽宁省教育厅资助项目(L2012063);; 沈阳理工大学重点学科开放基金

作者(Author): 卢旭东,田素贵,陈涛

DOI: 10.13289/j.issn.1009-6264.2015.05.028

参考文献(References)：

• [1]WANG Xin-yue,LI Xin,WANG Fu-hui et al.Influence of sputtered nanocrystalline coating on oxidation and hot corrosion of a nickel-based superalloy M951[J].Journal of Materials Science and Technology,2014,30(9):867-868.
• [2]Md Zafir Alama,Chatterjee D,Venkataraman B,et al.Effect of cyclic oxidation on the tensile behavior of directionally solidified CM-247LC Ni-based superalloy at 870℃[J].Materials Science and Engineering A,2010,527:6211-6212.
• [3]卢旭东,田素贵,王涛,等.溅射Ni Cr Al Y纳米晶涂层在900℃的热腐蚀行为[J].材料热处理学报,2013,34(10):153-154.LU Xu-dong,TIAN Su-gui,WANG Tao,et al.Hot corrosion behavior of sputtered Ni Cr Al Y nanocrystalline coating in molten sulfate at 900℃[J].Transactions of Materials and Heat Treatment,2013,34(10):153-154.
• [4]ZHAO Shuang-qun,XIE Xi-shan,Gaylord D Smith.The oxidation behavior of the new nickel-based superalloy Inconel 740 with and without Na2SO4deposit[J].Surface and Coatings Technology,2004,185:181-182.
• [5]卢旭东,田素贵,于兴福,等.Ni-Cr-Ta-Al-Co-Mo合金在900℃和1000℃的恒温氧化行为[J].材料研究学报,2011,25(4):430-431.LU Xu-dong,TIAN Su-gui,YU Xing-fu,et al.Isothermal oxidation behaviour of Ni-Cr-Ta-Al-Co-Mo alloy at 900℃and 1000℃[J].Chinese Journal of Materials Research,2011,25(4):430-431.
• [6]Li Y S,Spiegel M,Shimada S.Corrosion behaviour of various model alloys with Na Cl-KCl coating[J].Materials Chemistry and Physics,2005,(93):221-222.
• [7]MA Jun,JIANG Su-Meng,GONG Jun,et al.Hot corrosion properties of composite coatings in the presence of Na Cl at 700℃and 900℃[J].Corrosion Science,2013,70:29-34.
• [8]Gosipathala C,Raja V S.Hot corrosion of YSZ/Al2O3dispersed Ni Cr Al Y plasma-sprayed coatings in Na2SO4-10wt.%Na Cl melt[J].Corrosion Science,2010,52:2600-2601.
• [9]Charng C T,Jams C R,Chaur J W et al.The hot corrosion of 310 stainless steel with pre-coated Na Cl/Na2SO4mixtures at 750℃[J].Materials Chemistry and Physics,2005,89:446-447.

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