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Partial Amorphization in a Ni-Mo Alloy by Mechanical Alloying

Published online by Cambridge University Press:  02 July 2020

R. Martínez-Sánchez ,
A. Duarte-Möller ,
M. Facundo-Almeraya  and
F. Paraguay-Delgado
R. Martínez-Sánchez
Affiliation:
Advanced Materials Research Center (CIMAV), Miguel de Cervantes No. 120 C.P. 31110, Chihuahua, Chih., México
A. Duarte-Möller
Affiliation:
Advanced Materials Research Center (CIMAV), Miguel de Cervantes No. 120 C.P. 31110, Chihuahua, Chih., México
M. Facundo-Almeraya
Affiliation:
Advanced Materials Research Center (CIMAV), Miguel de Cervantes No. 120 C.P. 31110, Chihuahua, Chih., México
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Extract

In the last decades, amorphous alloys have been the focus of many researchers around the world. Rapid solidification is one of the most employed techniques in obtaining amorphous structures. Important limits of this technique are the high melting point alloys, and in many cases it is restricted to compositions near eutectic deeps. By mechanical alloying it has been possible to obtain amorphous structures in several alloy systems, and in compositions different to eutectic points.

Amorphous phases by mechanical alloying in the Ni-Mo system has been reported before. This work is focused to the characterisation of amorphous structures obtained by mechanical alloying in a Mo-47 at. % Ni alloy. This composition corresponds to the equiatomic NiMo intermetallic. The characterisation was carried-out by XRD, SEM-EDS, DSC and TEM. Full amorphization was obtained after 32.4 ks of milling in a Simoloyer ball mill, as shows conventional XRD, Figure 1.

Type
Sir John Meurig Thomas Symposium: Microscopy and Microanalysis in the Chemical Sciences
Information
Microscopy and Microanalysis , Volume 6 , Issue S2: Proceedings: Microscopy & Microanalysis 2000, Microscopy Society of America 58th Annual Meeting, Microbeam Analysis Society 34th Annual Meeting, Microscopical Society of Canada/Societe de Microscopie de Canada 27th Annual Meeting, Philadelphia, Pennsylvania August 13-17, 2000 , August 2000 , pp. 68 - 69
Copyright
Copyright © Microscopy Society of America

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Footnotes

This work was supported by CONACYT (I-28662-U) and (J32620-U).

References

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