期刊文献+

Cu-70%Sn合金定向凝固中包晶相的生长 被引量:2

原文传递
导出
摘要 利用定向凝固方法,对Cu-70%Sn合金中包晶η相的生长行为进行了研究.结果表明,包晶η相生长的主要机制为包晶转变,而非包晶反应.在定向凝固中停止抽拉不同时间,发现不同的凝固温度及时间对相尺度及含量有较大影响,其中停止抽拉1h的定向凝固组织中包晶η相的厚度?x与凝固温度T的关系满足:ln?x=6.5?1673/T;而包晶η相的厚度与时间的平方根呈线性关系,并随凝固温度的升高,合金扩散系数增大,包晶η相的厚度与时间的平方根关系发生偏离.
出处 《中国科学(G辑)》 CSCD 2007年第3期322-329,共8页
基金 国家自然科学基金资助项目(批准号:50395102)
  • 相关文献

参考文献16

  • 1Dobler S, Lo T S, Plapp M, et al. Peritectic coupled growth. Acta Mater, 2004, 52(9): 2795--2808
  • 2黄卫东,林鑫,王猛,沈淑娟,苏云鹏,刘振侠.包晶凝固的形态与相选择[J].中国科学(E辑),2002,32(5):577-583. 被引量:7
  • 3Park J S, Trivedi R. Convection-induced novel oscillating microstructure formation in peritectic systems. J Crystal Growth, 1998, 187(3-4): 511--515
  • 4Vandyoussefi M, Kerr H W, Kurz W. Two-phase growth in peritectic Fe-Ni alloys. Acta Mater, 2000, 48(9): 2297--2306
  • 5Umeda T, Okane T, Kurz W. Phase selection during solidification of peritectic alloys. Acta Mater, 1996, 44:4209--4216
  • 6Boettinger W J, Coriell S R, Greer A L, et al. Solidification microstructures: Recent developments future directions. Acta Mater, 2000, 48(1): 43--70
  • 7Kerr H W, Kurz W. Solidification of peritectic alloys. Inter Mater Rev, 1996, 41 (4): 129-- 164
  • 8贺谦,刘林,邹光荣,李双明,李厚补,傅恒志.Nd-Fe-B包晶合金定向凝固组织的研究[J].材料工程,2005,33(6):17-19. 被引量:7
  • 9Saunders N, Miodownik A P. Phase diagrams of binary copper alloys. USA: ASM International, 1994.412
  • 10Fredriksson H, Nylen T. Mechanism of peritectic reaction and transformations. Metal Sci, 1982, 16:283--294

二级参考文献36

  • 1邹光荣.[D].西北工业大学,2000.
  • 2Kurz W, Fisher D J. Fundamentals of Solidification.Switzerland: Trans Tech Pub. 1984:81.
  • 3St John D H, Hogan L M. Acta Metall, 1977; 25:77.
  • 4Burden M H, Hunt J D. J Cryst Growth, 1974; 22:99.
  • 5Hunt J D, Lu S Z. Metall Mater Trans, 1996; 27A(3): 611.
  • 6Brody H D, David S A. Int Conf on Solidification and Casting. London: Institute of Metals, 1977:144
  • 7Trivedi R. Metall Mater Trans, 1995; 26A: 1583
  • 8Lao T S, Dobler S, Plapp M, Karma A, Kurz W. Acta Mater, 2003; 51:599
  • 9Kerr H W, Kurz W. Int Mater Rev, 1996; 41(4): 129
  • 10Lee J H, Verhoeven J D. J Cryst Growth, 1994; 144:353

共引文献22

同被引文献27

  • 1张继文,陈长聘,高林辉,陈立新.氟处理对La_(1.8)Ca_(0.2)Mg_(14)Ni_3合金吸放氢性能的影响[J].化工学报,2004,55(S1):159-162. 被引量:4
  • 2陈江平,罗永春,张法亮,阎汝煦,康家晨,陈剑虹.退火处理对La_(1.5)Mg_(0.5)Ni_(7.0)贮氢合金相结构和电化学性能的影响[J].稀有金属材料与工程,2006,35(10):1572-1576. 被引量:9
  • 3周增林,宋月清,崔舜,林晨光,曲选辉.Nd替代La对La-Mg-Ni系A_2B_7型贮氢电极合金性能的影响[J].中国有色金属学报,2007,17(1):45-52. 被引量:21
  • 4Kadir K, Sakai T, Uehara I. Synthesis and structure determination of a new series of hydrogen storage alloys ; RMg2Ni9 ( R = La, Ce, Pr, Nd, Sm and Gd) built form MgNi2 Laves-type layers alternating with AB5 layers [ J ]. Journal of Alloys Compounds, 1997, 257: 115.
  • 5Fetcenko M A, Ovshinsky S R, Reichman B. Recent advances in Ni/MH batteries technology [ J ]. Journal of Power Source, 2007, 165(2) : 544.
  • 6Kadir K, Sakai T, Uehara I. Structural investigation and hydrogenstorage capacity of LaMg2Ni9 and ( La0.65 Ca0.35 ) ( Mg1.32 Ca0.68 ) Ni9 of the AB2 C9 type structure [ J]. J. Alloys Compd. , 2000, 302: 112.
  • 7Liu Yongfeng, Pan Hongge, Gao Mingxia. The effect of Mn substitution for Ni on the structural and electrochemical properties of La0.7 Mg0. 3 Ni2.25 - x Co0.45 Mnx hydrogen storage electrode alloys [J]. Int. J. Hydrogen Energy, 2004, 29(3) : 297.
  • 8Liu Yongfeng, Cao Yanhui, Huang Li. Rare earth-Mg-Ni-based hydrogen storage alloys as negative electrode materials for Ni/MH batteries [ J]. J. Alloys Compd. , 2011, 509(3) : 675.
  • 9Mishima R, Miyamura H, Sakai T, Kuriyama N, Ishikawa H, Uehara I. Hydrogen storage alloys rapidly solidified by the meltspinning method and their eharacteristics as metal hydride electrodes [J]. J. Alloys Compd. ,1993, 192: 176.
  • 10Li Yuan, Han Shumin, Li Jinhua, Hu Lin. Study on phase structure and electrochemical properties of MI1-x MgxNi2. 8 Co0.5 Al0. 1 (x = 0.08 - 0.28 ) hydrogen storage alloys [ J ]. Electrochemica Acta, 2007, 52: 5945.

引证文献2

二级引证文献4

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部