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An investigation of the Al86Mn14 alloy and its quasicrystalline phases

Published online by Cambridge University Press:  31 January 2011

J. G. Pérez-Ramirez ,
R. Pérez ,
A. Gómez ,
L. Cota-Araiza ,
L. Martinez ,
R. Herrera  and
M. José-Yacamán
J. G. Pérez-Ramirez
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
R. Pérez
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
A. Gómez
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
L. Cota-Araiza
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
L. Martinez
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
R. Herrera
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
M. José-Yacamán
Affiliation:
Institututo de Fisica-UNAM, Apartado Postal 20-364, Delegacion Alvaro Obregon, 01000, Mexico D. F., Mexico
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Abstract

A study of the phases obtained in an aluminum manganese (Al86Mn14) alloy prepared under relatively slow solidification rates is presented. The identification of the phases presented in the alloy has been carried put using different techniques. Two of the phases were found to be crystalline in nature (Al, Al6Mn), two were amorphous (Al2O3, AlMn–O), and one of them was quasicrystalline (T phase). In the case of the quasicrystalline T phase an investigation on its structural characteristics was carried out, and a possible model for its structure is suggested, based on high-resolution images under fivefold diffraction conditions.

Type
Articles
Information
Journal of Materials Research , Volume 2 , Issue 2 , April 1987 , pp. 153 - 162
Copyright
Copyright © Materials Research Society 1987

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References

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