Spectroscopic and Mechanical Studies on the Fe-based Amorphous Alloy 2605SA1

Authors

  • Agustín Cabral-Prieto Instituto Nacional de Investigaciones Nucleares
  • Juan Antonio Contreras-Vite Universidad Autónoma del Estado de México
  • Irma García-Sosa Instituto Nacional de Investigaciones Nucleares
  • Noel Nava Instituto Mexicano del Petróleo
  • Federico García-Santibáñez Universidad Autónoma del Estado de México

DOI:

https://doi.org/10.29356/jmcs.v54i1.959

Keywords:

Amorphous alloys, Mössbauer spectroscopy, annihilation of positrons, free-volume, defects, micro hardness, brittleness

Abstract

The Vickers micro-hardness of this alloy was unusually dependent on the heat treatment from 300 to 634K, inferring important micro-structural changes and the presence of amorphous grains before its phase transition. Once the alloy is crystallized, the microhardness is characteristic of a brittle alloy, the main problem of these alloys. Within the amorphous state, other properties like free-volume, magnetic states and Fe-Fe distances were followed by PALS and MS, respectively, to analyze those micro-structural changes, thermally induced, which are of paramount interest to understand their brittleness problem.

 

 

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Author Biographies

Agustín Cabral-Prieto, Instituto Nacional de Investigaciones Nucleares

Departamento de Química

Juan Antonio Contreras-Vite, Universidad Autónoma del Estado de México

Facultad de Ciencias

Irma García-Sosa, Instituto Nacional de Investigaciones Nucleares

Departamento de Química

Federico García-Santibáñez, Universidad Autónoma del Estado de México

Facultad de Ciencis

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Published

2019-06-17

Issue

Vol. 54 No. 1 (2010): Special Issue of the J. Mex. Chem. Soc. in Honor of Dr. Silvia Bulbulian

Section

Regular Articles

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