Microstructural Characterization of a Ni-Al Alloyed Layer Prepared Using Laser Rapid Solidification

被引：0
|
作者：
Yang, Y. [1 ]
Hu, J-D. [2 ]
机构：
[1] Changchun Univ Technol, Coll Mat Sci & Engn, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Mat Sci & Engn, Minist Educ, Key Lab Automobile Mat, Changchun 130025, Peoples R China
来源：
LASERS IN ENGINEERING | 2010年 / 20卷 / 3-4期
关键词：
Nd:YAG laser; nickel-aluminium alloy; rapid solidification; solidification microstructure; solidification velocity; eutectic growth; P AMORPHOUS PHASES; ALUMINUM;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A Ni-P electroless deposited coating with crystalline morphology was prepared on an Al substrate using Nd:YAG pulsed laser. Various laser operating parameters were experimented with and a solidification microstructure was obtained at a laser power density of 5.36 x 10(9) W/m(2) and a scanning speed 3 mm/s. This solidified microstructure was characterized through its cross-section and showed a typical microstructure located in the upper part, the middle melted zone and the interface of meltpool with the Al substrate. The microstructure was further analysed by transmission electron microscopy (TEM). The actual solidification velocity was quantitatively determined by means of scanning electron microscopy (SEM). From the various means of observations the growth process of the Ni-Al eutectic phases was elucidated.
引用
收藏
页码：179 / 187
页数：9
相关论文
共 50 条
  • [41] Effect of Al Content on Reaction Laser Sintering of Ni-Al Powder
    Qin, L.
    Hu, J.
    Cui, C.
    Wang, H.
    Guo, Z.
    SCIENCE OF SINTERING, 2008, 40 (03) : 295 - 301
  • [42] Microstructural, optical, and electrical properties of Ni-Al co-doped ZnO films prepared by DC magnetron sputtering
    Jo, Young Dae
    Hui, K. N.
    Hui, K. S.
    Cho, Y. R.
    Kim, Kwang Ho
    MATERIALS RESEARCH BULLETIN, 2014, 51 : 345 - 350
  • [43] Rapid Preparation of Porous Ni-Al Intermetallics by Thermal Explosion
    Li, Zhoujun
    Cai, Xiaoping
    Ren, Xuanru
    Kang, Xueqin
    Wang, Xiaohong
    Jiao, Xinyang
    Feng, Peizhong
    COMBUSTION SCIENCE AND TECHNOLOGY, 2020, 192 (03) : 486 - 492
  • [44] Effect of Al content on reaction laser sintering of Ni-Al powder
    Qin, Linjing
    Hu, Jiandong
    Cui, Chengyun
    Wang, Hongying
    Guo, Zuoxing
    JOURNAL OF ALLOYS AND COMPOUNDS, 2009, 473 (1-2) : 227 - 230
  • [45] Studying exothermic reactions in the Ni-Al system at rapid heating rates using a nanocalorimeter
    Swaminathan, P.
    Grapes, M. D.
    Woll, K.
    Barron, S. C.
    LaVan, D. A.
    Weihs, T. P.
    JOURNAL OF APPLIED PHYSICS, 2013, 113 (14)
  • [46] OBSERVATION OF RAPID EXPLOSIVE REACTION IN NI-AL BILAYER FILMS
    JIANG, HG
    TONG, HY
    XUE, XM
    DING, BZ
    SONG, QH
    HU, ZQ
    WANG, JT
    JOURNAL OF MATERIALS SCIENCE LETTERS, 1993, 12 (21) : 1687 - 1689
  • [47] Deformation and Solidification Characteristics and Microstructure of Arc Sprayed Ni-Al Composition Coatings
    Wang, Jixiao
    Wang, Jun
    Jin, Guo
    Wang, Li
    Mo, Caisong
    Ma, Li
    Shen, Hongxian
    Cao, Fuyang
    Sun, Jianfei
    MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS, 2019, 22 (06):
  • [48] Solid/liquid interface morphologies versus solidification rate in Ni-Al alloys
    Lee, JH
    Verhoeven, JD
    SOLIDIFICATION SCIENCE AND PROCESSING, 1996, : 35 - 41
  • [49] Change of the kinetics of solidification and microstructure formation induced by convection in the Ni-Al system
    Reutzel, S.
    Hartmann, H.
    Galenko, P. K.
    Schneider, S.
    Herlach, D. M.
    APPLIED PHYSICS LETTERS, 2007, 91 (04)
  • [50] Kinetics of solidification of B2 intermetallic phase in the Ni-Al system
    Assadi, H.
    Reutzel, S.
    Herlach, D. M.
    ACTA MATERIALIA, 2006, 54 (10) : 2793 - 2800
12345