Formation and Structure of Nanocrystalline Al-Mm-Ni-Cu Alloys

Autor:	Jerzy Latuch, B. Ciesielska, M. Krasnowski
Rok vydání:	2002
Předmět:	chemistry.chemical_classification Materials science Base (chemistry) Alloy Analytical chemistry General Physics and Astronomy engineering.material Nanocrystalline material Mischmetal Lattice constant Nanocrystal chemistry Phase (matter) Volume fraction engineering
Zdroj:	Acta Physica Polonica A. 102:175-179
ISSN:	1898-794X 0587-4246
DOI:	10.12693/aphyspola.102.175
Popis:	This paper reports the results of a short investigation on the effect of Cu additions upon the nanocrystallization behaviour of an Al-Mm-Ni alloy. 2 at.%Cu added to a base alloy of Al 8 5 Mm 1 0 Ni 5 alloy by substitution for Mm (mischmetal). The control of cooling rate did not cause the formation of nanocrystals of fcc-Al phase. The nanocrystalline structure fcc-Al + amorphous phase in quarternary alloy was obtained by isothermal annealing and continuous heating method, but the last technique is more effective. The volume fraction, lattice parameter, and size of Al-phase were calculated.
Databáze:	OpenAIRE
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