INFLUENCE OF TEMPERATURE OF HIGH PRESSURE SINTERING ON STRUCTURE AND PROPERTIES OF PARTIALLY STABILIZED ZIRCONIA

被引:0
|
作者
Urbanovich, V. [1 ]
Chuevski, A. [1 ]
Kopylov, A. [1 ]
Kovalenko, I. [1 ]
Ulyanova, T. [2 ]
Shevchenok, A. [3 ]
机构
[1] NASB, Joint Inst Solid State & Semicond Phys, Minsk 220072, BELARUS
[2] NASB, Inst Gen & Inorgan Chem, Minsk 220072, BELARUS
[3] NASB, Powder Metallyrg Inst, Minsk 220072, BELARUS
关键词
D O I
10.1142/9789812770950_0077
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A study of high pressure sintering of partially stabilized zirconia nanopowder at pressure of 4 GPa depending on sintering temperature in the range from 800 to 1700 degrees C is presented. With an increase of the sintering temperature a monotonous variation of phase composition takes place. The reduction of monoclinic phase content is accompanied by a non-monotonous alteration of density and microhardness, the maximal values of which reach of 5.73 g/cm(3) and 12.6 +/- 0.5 GPa, respectively. With an increase of the sintering temperature higher than 1100 degrees C the microstructure of the samples becomes coarser and the colour changes from white to black.
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页码:347 / +
页数:2
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