热浸镀铝和化学氧化处理对Q235铝液腐蚀的影响
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摘要
采用热浸镀铝、化学氧化处理方法在Q235表面成功制备了连续Al_5Fe_2金属间化合物层,表面包裹连续的氧化铝膜,研究了其在铝液中的腐蚀失重率和腐蚀形貌,并对腐蚀机理进行了分析。结果表明,经氧化处理的样品腐蚀失重率远低于未经过氧化处理的样品,且其腐蚀界面平直,未产生局部剥落;未经过氧化处理的样品腐蚀截面有明显局部剥落,分析形成机制为无氧化膜处优先腐蚀导致的。
The continuous Al-5 Fe_2 intermetallic compound was successfully prepared on the surface of Q235 by hot-dipped aluminum and chemical oxidation treatment method.The surface was coated with continuous aluminum oxide film.The corrosion weightless rate and corrosion morphology in liquid aluminum were studied.The corrosion mechanism was also analyzed.It is found that the corrosion weightless rate of the oxidized sample is much lower than that of the sample which has not been oxidized.The corrosion interface is flat,and there is no local flaking.The erosion sections of samples unoxidized have obvious local flakings because of the priority corrosion of the non-oxidation film.
The continuous Al-5 Fe_2 intermetallic compound was successfully prepared on the surface of Q235 by hot-dipped aluminum and chemical oxidation treatment method.The surface was coated with continuous aluminum oxide film.The corrosion weightless rate and corrosion morphology in liquid aluminum were studied.The corrosion mechanism was also analyzed.It is found that the corrosion weightless rate of the oxidized sample is much lower than that of the sample which has not been oxidized.The corrosion interface is flat,and there is no local flaking.The erosion sections of samples unoxidized have obvious local flakings because of the priority corrosion of the non-oxidation film.
引文
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[2]王世卫. 316L不锈钢在锌铝液中的腐蚀行为研究[D].广州:华南理工大学,2013.WANG Shiwei. Corrosion behavior of 316L stainless steel in liquid zinc-aluminium[D]. Guangzhou:South China University of Technology,2013.
[3]张春华,刘杰,吴臣亮,等. 316L不锈钢表面激光熔覆钴基合金组织及锌蚀机理[J].焊接学报,2015,36(1):19-22.ZHANG Chunhua, LIU Jie, WU Chenliang, et al.Microstructure and zinc corrosion mechanism of laser cladding cobalt-based alloys on 316L stainless steel[J].Journal of Welding,2015,36(1):19-22.
[4]谭成,马党参,王华昆,等. H13钢压铸模具的失效分析[J].机械工程材料,2016,40(1):106-110.TAN Cheng, MA Dangshen, WANG Huakun, et al.Failure analysis for casting die of H13 steel[J].Mechanical Engineering Materials, 2016,40(1):106-110.
[5]朱文雅,阳海棠,曾德文.合金材料在相变储能材料中的腐蚀行为研究[J].无机盐工业,2015,47(8):14-18.ZHU Wenya,YANG Haitang,ZENG Dewen. Corrosion behavior of alloy materials in phase change energy storage materials[J]. Inorganic Salt Industry,2015,47(8):14-18.
[6]邹向,张仁元,范绮莲.金属相变储热容器的高温腐蚀和防护[J].腐蚀与防护,1992(3):111-114.ZOU Xiang, ZHANG Renyuan, FAN Yilian. High temperature corrosion and protection of metal phase transition heat storage vessel[J]. Corrosion and Protection,1992(3):111-114.
[7]王晓亮,孙明旭,付云飞,等.渗硼对Q235钢耐铝液腐蚀性能的影响[J].有色金属工程,2014,4(6):14-17.WANG Xiaoliang,SUN Mingxu,FU Yunfei,et al. Effect of boronizing on corrosion resistance of Q235 steel in liquid aluminium[J]. Nonferrous Metal Engineering,2014(6):14-17.
[8]罗洪峰,史留勇,林茂. H13钢耐铝液腐蚀表面处理的研究进展[J].铸造技术,2017,38(3):493-496.LUO Hongfeng, SHI Liuyong, LIN Mao. Progress in corrosion resistant surface treatment of H13 steel[J].Foundry Technology,2017,38(3):493-496.
[9]肖勇. Q235钢渗硼工艺及渗层耐铝液腐蚀情况研究[D].沈阳:东北大学,2009:5-23.XIAO Yong. Study on boronizing process of Q235 steel and corrosion resistance of boronized layer to liquid aluminum[D]. Shenyang:Northeast University,2009:5-23.
[10]王晓亮,付云飞,孙明旭,等.渗N对Q235钢耐铝液腐蚀性能的影响[J].特种铸造及有色合金,2014,34(11):1166-1168.WANG Xiaoliang,FU Yunfei,SUN Mingxu,et al. Effect of nitriding on corrosion resistance of Q235 steel in liquid aluminium[J]. Special Casting and Nonferrous Alloys,2014,34(11):1166-1168.
[11]孙向雷.热电偶保护套管耐铝液腐蚀性研究[D].太原:太原理工大学,2012.SUN Xianglei. Study on corrosion resistance of thermocouple cannula to liquid aluminum[D]. Taiyuan:Taiyuan University of Science and Technology,2012.
[12]孙健. 8407模具钢表面渗铝氧化处理及其热熔损、热疲劳性能研究[D].沈阳:东北大学,2011.SUN Jian. Study on surface aluminizing and oxidation treatment of 8407 die steel and its hot melting loss and thermal fatigue properties[D]. Shenyang:Northeast University,2011.
[13]谢春洋,孔德军. Cr12MoV钢渗硼后的组织与性能分析[J].粉末冶金材料科学与工程,2015,20(4):609-615.XIE Chunyang, KONG Dejun. Microstructure and properties analysis of Cr12MoV steel after boronizing[J].Powder Metallurgical Materials Science and Engineering,2015,20(4):609-615.
[14]毕娜.氧化铝陶瓷热浸镀铝机理研究[D].北京:清华大学,2014.BI Na. Study on the mechanism of hot dip aluminum plating on alumina ceramics[D]. Beijing:Tsinghua University,2014.
[15]毕娜,宁晓山.氧化铝热浸镀铝膜结晶取向研究[J].稀有金属材料与工程,2013,42(增刊1):396-399.BI Na. Study on the crystallization orientation of alumina hot dip-plated aluminium film[J]. Rare Metal Materials and Engineering,2013,42(supplement 1):396-399.
[16]仇宁,钟黎君,吴锦波.α氧化铝-铝合金的润湿现象及其机理[J].复合材料学报,1990,7(1):24-29.QIU Ning, ZHONG Lijun, WU Jinbo. Wetting phenomenon and mechanism ofαalumina-aluminum alloy[J]. ACTA of Composites,1990,7(1):24-29.
[17]张伟.热浸镀铝钢Al2O3/渗铝层界面空洞生长动力学研究[J].材料工程,2007(5):36-38.ZHANG Wei. Study on growth kinetics of interfacial voids in Al2O3/aluminizing layer of hot dip aluminized steel[J]. Material Engineering,2007(5):36-38.
[18]贾涓,朱微微,熊玮,等.扩散方式对不锈钢热浸镀铝镀层形貌的影响[J].材料热处理学报,2014,35(增刊1):205-209.JIA Juan,ZHU Weiwei,XIONG Wei,et al. Effect of diffusion mode on the morphology of hot dip aluminum coating of stainless steel[J]. Journal of Heat Treatment of Materials,2014,35(supplement 1):205-209.
[19]陈维平,刘路生,张先满,等.热处理对Fe-Cr-B铸钢组织和耐铝液腐蚀性能的影响[J].铸造,2017,66(1):58-63.CHEN Weiping,LIU Lusheng,ZHANG Xianman,et al.Effect of heat treatment on microstructure and corrosion resistance of Fe-Cr-B cast steel in liquid aluminum[J].Foundry,2017(1):58-63.
[20]CHEN S,YANG D,ZHANG M,et al. Interaction Between the Growth and Dissolution of Intermetallic Compounds in the Interfacial Reaction Between Solid Iron and Liquid Aluminum[J]. Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2016,47(10):5088-5100
[21]CHEN S,YANG D,ZHANG M,et al. Interaction between the growth and dissolution of intermetallic compounds in the interfacial reaction between solid iron and liquid aluminum[J]. Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2016,47(10):5088-5100.
[22]陈维平,刘路生,张先满,等.热处理对Fe-Cr-B铸钢组织和耐铝液腐蚀性能的影响[J].铸造,2017,66(1):58-63.CHEN Weiping,LIU Lusheng,ZHANG Xianman,et al.Effect of heat treatment on microstructure and aluminum corrosion resistance of Fe-Cr-B cast steel[J]. Casting,2017,66(1):58-63.