Structural relaxation of Zr55Ni25Al20 ball-milled amorphised powder

被引：1
|
作者：
Illekova, E
Jergel, M
Kuhnast, FA
Held, O
机构：
[1] Slovak Acad Sci, Inst Phys, Bratislava 84228, Slovakia
[2] Univ Nancy 1, LCSM, LMT, F-54506 Vandoeuvre Nancy, France
来源：
MECHANICALLY ALLOYED, METASTABLE AND NANOCRYSTALLINE MATERIALS, PART 2 | 1998年 / 269-2卷
关键词：
mechanical alloying; planar flow casting; amorphized metallic powders; metallic glasses; X-ray diffraction DSC; structural relaxation; DNLR model; kinetics;
D O I：
10.4028/www.scientific.net/MSF.269-272.583
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The relation between the structure and thermodynamic state of the amorphised powder produced by planetary ball-milling of a mixture of crystalline single component powders and the same chemical composition planar flow-casted glassy ribbon is discussed. It was found that the powder samples are more structuraly ordered at shorter distances, however: this ordering vanishes more rapidly at larger distances in comparison with the ribbon samples. The relaxation of amorphised powder consists of several independent processes, the traditional structural relaxation being only the final stage at the highest temperature.
引用
收藏
页码：583 / 588
页数：6
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