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材料工程  2015 

Al/Fe液-固界面扩散反应层生长动力学分析

DOI: 10.11868/j.issn.1001-4381.2015.05.011, PP. 62-66

Keywords: Al/Fe液-固界面,扩散反应层,生长机理,动力学方程

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Abstract:

采用镶嵌式技术制备了Al/Fe扩散偶,在铝熔点以上铁熔点以下进行扩散热处理,对Al/Fe液-固界面扩散反应层的生长动力学进行了分析,并建立了生长动力学方程.结果表明,Fe2Al5是热处理保温过程中唯一生成的新生相.在Fe2Al5连续单相层形成之前,其生长受Al原子和Fe原子的化学反应控制;一旦连续的Fe2Al5单相层形成,其生长则主要依赖于Al原子沿其晶界的扩散控制,且伴随着其晶粒尺寸的长大.在800℃以下热处理,可忽略晶粒长大对原子扩散的影响,其生长动力学方程为y=2020.96exp(-78490/RT)t0.25.但当热处理温度超过铁熔点的0.7倍后,则不能忽略晶粒长大的影响,应适当减小生长动力学方程中的生长指数值.

References

[1]  STOLOFF N S. Iron aluminides:present status and future prospects[J]. Materials Science and Engineering:A, 1998, 258(1-2):1-14.
[2]  DEEVI S C, SIKKA V K, LIU C T. Processing, properties, and applications of nickel and iron aluminides[J]. Progress in Materials Science, 1997, 42(1-4):177-192.
[3]  崔建忠. 液-固相轧制复合法生产铝不锈钢复合带[J]. 材料导报, 2001, (2):56-61.CUI Jian-zhong. Composite band of aluminum and stainless steel prepared by liquid-solid rolling method[J]. Materials Review, 2001, (2):56-61.
[4]  李红, 韩静涛. 金属板材轧制-扩散复合机理研究进展[J]. 材料工程, 2006, (增刊1):507-514.LI Hong, HAN Jing-tao. Progress in diffusion-rolling bonding mechanism of metal plate[J]. Journal of Materials Engineering, 2009, (Suppl 1):507-514.
[5]  王灿明, 孙宏飞. 高温扩散法制备铁铝金属间化合物涂层[J]. 材料保护, 2003, 36(3):35-37.WANG Can-ming, SUN Hong-fei. Fe-Al intermetallic compound coating prepared by high temperature diffusion[J]. Materials Protection, 2003, 36(3):35-37.
[6]  陈鼎, 陈振华, 陈刚, 等. 固液反应球磨制备TiAl、NiAl和FeAl金属间化合物[J]. 湖南大学学报:自然科学版, 2003, 30(2):20-25.CHEN Ding, CHEN Zhen-hua, CHEN Gang, et al. Fabrication of TiAl, NiAl & FeAl intermetallic compounds powder by solid-liquid reaction milling[J]. Journal of Hunan University:Natural Sciences, 2003, 30(2):20-25.
[7]  GLASBRENNER H, WEDEMEYER O. Comparison of hot dip aluminised F82H-mod steel after different subsequent heat treatments[J]. Journal of Nuclear Materials, 1998, 257(3):274-281.
[8]  BAHADUR A, MOHANTY O N. Aluminium diffusion coatings on medium carbon steel[J]. Materials Transactions JIM, 1995, 36(9):1170-1175.
[9]  EGGELER G, AUER W, KAESCHE H. Reactions between low alloyed steel and initially pure as well as iron-saturated aluminium melts between 670 and 800 degree C[J]. Z Metallkd, 1986, 77(4):239-244.
[10]  WANG H T, LI C J, JI G C, et al. Annealing effect on the intermetallic compound formation of cold sprayed Fe/Al composite coating[J]. Journal of Thermal Spray Technology, 2012, 21(3-4):571-577.
[11]  BOUCHE K. Etude thermocinétique de la dissolution des métaux solides (fer et nickel) dans l'aluminium liquide[D]. France :University of Provence, 1995.
[12]  BOUCHé K, BARBIER F, COULET A. Intermetallic compound layer growth between solid iron and molten aluminium[J]. Materials Science and Engineering:A, 1998, 249(1-2):167-175.
[13]  TANAKA Y, KAJIHARA M. Kinetics of isothermal reactive diffusion between solid Fe and liquid Al[J]. Journal of Materials Science, 2010, 45(20):5676-5684.
[14]  BOUAYAD A, GEROMETTA C, BELKEBIR A, et al. Kinetic interactions between solid iron and molten aluminium[J]. Materials Science and Engineering:A, 2003, 363(1-2):53-61.
[15]  蒋淑英, 李世春. Al/Fe液/固复合界面扩散溶解层研究[J]. 材料工程, 2009, (增刊2):236-240. JIANG Shu-ying, LI Shi-chun. Diffusion solution zone of Al/Fe liquid/solid interface[J]. Journal of Materials Engineering, 2009, (Suppl 2):236-240.
[16]  TANAKA Y, KAJIHARA M, WATANABE Y. Growth behavior of compound layers during reactive diffusion between solid Cu and liquid Al[J]. Materials Science and Engineering:A, 2007, 445-446(2):355-360.

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