Kinetics of crystallization processes in Al90Y5Ni1Co4 studied by electrical resistivity

Krystyna Pękała , Piotr Jaśkiewicz , Jerzy Latuch , A. Kokoszkiewicz

Abstract

Al90Y5Ni1Co4 amorphous and partially crystalline alloys were investigated by means of differential scanning calorimetry, direct current four probe method and X-ray diffraction. The process of crystallization of particles of the order of 10 nm (nanocrystallization) was induced by decreasing the rate of the quenching process from 54 to 39 rev/s or by annealing amorphous samples. The resistivity versus temperature isochronal relation for both groups of alloys was interpreted assuming diffusion controlled growth and zero nucleation rate. The effect of yttrium on the decrease of the growth rate was assumed to be a transformation mechanism leading to nano-size crystalline phase formation.
Author Krystyna Pękała (FP / SD)
Krystyna Pękała,,
- Semiconductors Division
, Piotr Jaśkiewicz (FP / SD)
Piotr Jaśkiewicz,,
- Semiconductors Division
, Jerzy Latuch (FMSE / DCFM)
Jerzy Latuch,,
- Division of Construction and Functional Materials
, A. Kokoszkiewicz
A. Kokoszkiewicz,,
-
Journal seriesJournal of Non-Crystalline Solids, ISSN 0022-3093
Issue year1997
Vol211
No1–2
Pages72-76
ASJC Classification2505 Materials Chemistry; 3104 Condensed Matter Physics; 2503 Ceramics and Composites; 2504 Electronic, Optical and Magnetic Materials
DOIDOI:10.1016/S0022-3093(96)00627-8
URL http://www.sciencedirect.com/science/article/pii/S0022309396006278
Languageen angielski
Score (nominal)35
Score sourcejournalList
Publication indicators WoS Citations = 22; Scopus Citations = 21; Scopus SNIP (Source Normalised Impact per Paper): 1999 = 0.956; WoS Impact Factor: 2006 = 1.362 (2) - 2007=1.494 (5)
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