Influence of High-energy Ball Milling on the Solid-Phase Sintering Kinetics of Ultrafine-Grained Heavy Tungsten Alloy

被引：12
|
作者：
Chuvil'deev, V. N. [1 ]
Nokhrin, A. V. [1 ]
Boldin, M. S. [1 ]
Sakharov, N. V. [1 ]
Baranov, G. V. [2 ]
Belov, V. Yu. [2 ]
Popov, A. A. [1 ]
Lantsev, E. A. [1 ]
Smirnova, E. S. [1 ]
机构：
[1] Lobachevsky Nizhny Novgorod State Univ, Pr Gagarina 23, Nizhnii Novgorod 603950, Russia
[2] All Russia Res Inst Expt Phys, Russian Fed Nucl Ctr, Sarov 607188, Nizhny Novgorod, Russia
来源：
DOKLADY PHYSICS | 2017年 / 62卷 / 09期
关键词：
DENSIFICATION BEHAVIOR;
D O I：
10.1134/S1028335817090075
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The mechanisms for the sintering of ultrafine-grained 95%W-3.5%Ni-1.5%Fe heavy tungsten alloy powders have been investigated. It has been established that a decrease in the activation energy of grain boundary diffusion and the formation of a nonequilibrium solid solution of nickel and iron in the surface layer of tungsten particles upon high-energy ball milling are responsible for the decrease in optimal sintering temperature.
引用
收藏
页码：420 / 424
页数：5
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