索忠源,李浩荣,张志浩,姜峰,王鑫,王毅坚

• 1:吉林化工学院机电工程学院

摘要(Abstract)：

为确定高铬铸铁构件在高温下安全使用范围,采用增重法研究了Cr26高铬铸铁在900~1200℃下的氧化动力学,利用XRD、SEM和EDS对该种合金经900~1200℃×100 h恒温氧化后的氧化膜的微观形貌、相组成及其抗氧化机理进行了分析研究。结果表明:Cr26高铬铸铁在1000~1200℃下的氧化动力学表明,随温度升高,时间延长,氧化速度加剧且氧化膜层状剥落,不抗氧化;900℃下,表面形成了完整的保护膜,且无剥落,氧化速度明显降低,抗氧化性能好。

关键词(KeyWords)： Cr26高铬铸铁;抗氧化性;微观形貌

Abstract:

Keywords:

基金项目(Foundation): 吉林市科技局项目(20166020);; 吉林化工学院项目(2016038,2016008)

作者(Author): 索忠源,李浩荣,张志浩,姜峰,王鑫,王毅坚

DOI: 10.13289/j.issn.1009-6264.2017-0035

参考文献(References)：

• [1]Chang L M,Liu J H.Effect of hot deformation on formation and growth of thermal fatigue crack in chromium wear resistant cast iron[J].Journal of Iron and Steel Research,International,2006,13(1):36-39.
• [2]朱权利,陈家坚,李微,等.耐热炉排材质的抗氧化性能研究[J].铸造,2011,60(6):579-582.ZHU Quan-li,CHEN Jia-jian,LI Wei,et al.Study on oxidation resistance of heat-resistant grate[J].Foundry,2011,60(6):579-582.
• [3]孙凯,付拴拴,唐光东,等.高铬铸铁的研究现状[J].热加工工艺,2012,41(12):53-55.SUN Kai,FU Shuan-shuan,TANG Guang-dong,et al.Research status on high chromium cast iron[J].Hot Working Technology,2012,41(12):53-55.
• [4]张安峰,邢建东,陆文华.高铬铸铁的氧化行为[J].金属学报,1993,29(6):263-268.ZHANG An-feng,XING Jian-dong,LU Wen-hua.Oxidation behavior of high Cr cast iron[J].Acta Metallurgica Sinica,1993,29(6):263-268.
• [5]王强,罗毅.RE对金属型Ni-Mo铸铁耐热性能的影响[J].特种铸造及有色合金,2006,26(6):369-372.WANG Qiang,LUO Yi.Effects of rare earth on the heat resistance of Ni-Mo cast iron in permanent mould[J].Special Casting&Nonferrous Alloys,2006,26(6):369-372.
• [6]武昭,王鹏程,赵锦龙,等.Fe-Cr26-Ni13系中碳耐热铸钢高温抗氧化性能分析[J].热加工工艺,2015,44(16):146-148.WU Zhao,WANG Peng-cheng,ZHAO Jin-long,et al.Analysis on high temperature oxidation resistance of medium carbon Fe-Cr26-Ni13 heat resistanting casting steel[J].Hot Working Technology,2015,44(16):146-148.
• [7]李铁藩.金属高温氧化和热腐蚀[M].北京:化学工业出版社,2003:189-192.LI Tie-fan.High Temperature Oxidation and Hot Corrosion of Metals[M].Beijing:Chemical Industry Press,2003:189-192.
• [8]贵永亮,谢赛,宋春燕,等.烧结机篦条材料的显微组织与抗氧化性能研究[J].铸造,2014,63(10):1056-1059.GUI Yong-liang,XIE Sai,SONG Chun-yan,et al.Study on microstructure and oxidation resistance of materials for sintering machine grate bar[J].Foundry,2014,63(10):1056-1059.
• [9]Bedolla J A,Arias L,Hernandez B.Kinetics of secondary carbides precipitation in a high-chromium white iron[J].Journal of Materials Engineering and Performance,2003,12(4):371-382.

文章评论(Comment)：