Features of temperature-dependent internal friction at phase decomposition of Nb-Ti alloy

被引：0
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作者：
Arzhavitin, V. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Kharkiv Inst Phys & Engn, Natl Sci Ctr, 1 Akad Skaya St, UA-61108 Kharkov, Ukraine
来源：
FUNCTIONAL MATERIALS | 2008年 / 15卷 / 03期
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T [工业技术];
学科分类号：
08 ;
摘要：
Experimental dependence of internal friction Q(-1)(T) on heating temperature T of pre-strained Nb-(48.5 +/- 1,5)Ti (wt %) alloy is a superposition of two internal friction peaks with maxima at 250 degrees C and 300 degrees C. It is shown by calculation that both the peaks are due to nucleation and subsequent diffusion-controlled growth of alpha-Ti segregates in the walls of dislocation cells. The first peak is connected with Ti diffusion in the cell boundaries while the second one, in the volumes thereof.
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页码：402 / 406
页数：5
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