Physical and Chemical Principles of Obtaining Thermally Resistant Containers for Treatment of High Purity Niobium and Tantalum Compounds

被引：0
作者：
Palatnikov, M. [2 ]
Frolov, A.
Voinich, E.
Kirkova, E.
Shcherbina, O. [2 ]
Sidorov, N. [2 ]
Kalinnikov, V. [2 ]
Bormanis, K. [1 ]
机构：
[1] Univ Latvia, Inst Solid State Phys, Riga, Latvia
[2] Kola Sci Ctr RAS, Inst Chem, Moscow, Russia
来源：
FERROELECTRICS | 2011年 / 424卷
关键词：
Ceramics; niobium pentoxide; thermal resistance; coating; container; EXPANSION;
D O I：
10.1080/00150193.2011.623936
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mathematical modelling of the distribution of strain in layered quartz ceramics with protective coating of niobium (tantalum) pentoxide from two sides is reported. It is found that fragmentation of the basic layer (decreasing the area of the continuous boarder between layers) and smoothing of sharp edges of the base fragments should reduce the strains on the boundary between the substrate and coating and, correspondingly, enhance the thermal resistance of the samples. Treatment of the niobium pentoxide coating by concentrated light induces a network of fractal micro- and nano-size fractures that compensates the difference of thermal expansion between the layers.
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页码：68 / 77
页数：10
相关论文
共 19 条
  • [1] Negative thermal expansion behavior in single crystal and ceramic of Nb2O5-based compositions
    Choosuwan, H
    Guo, R
    Bhalla, AS
    Balachandran, U
    [J]. JOURNAL OF APPLIED PHYSICS, 2002, 91 (08) : 5051 - 5054
  • [2] Frolov A. A., 2007, NEW FIREPROOF MAT, V4, P38
  • [3] Frolov A. A., 2004, GLASS CERAM, V6, P21
  • [4] Frolov A. A., 1992, GLASS CERAM, V7, P14
  • [5] Frolov A. A., 2004, FIREPROOF TECHNICAL, V7, P13
  • [6] Frolov A. A., 2004, NEW FIREPROOF MAT, V9, P52
  • [7] Gogoci G. A., 1984, PROBLEMS STRENGTH, V6, P111
  • [8] HATHAIKARN M, 2003, THESIS PENNSYLVANIA
  • [9] Jijima S, 1973, ACTA CRIST A, V29, P18
  • [10] Kirkova O., 2009, P 8 STUD M SM 2009 N, P54
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