Study on Positron Annihilation Lifetime of Amorphous Alloy Fe73.5Cu1Nb3Si13.5B9 by Magnetic Pulse Treated-Reference-Cited by-同舟云学术

Study on Positron Annihilation Lifetime of Amorphous Alloy Fe_73.5Cu₁Nb₃Si_13.5B₉ by Magnetic Pulse Treated

Published:2013-12 Issue: Volume:873 Page:60-62
ISSN:1662-8985
Container-title:Advanced Materials Research
language:
Short-container-title:AMR

Author:

Zhang Yan Hui¹,Chao Yue Sheng¹,Gu Yue²,Hao Xiao Peng³,Wang Bao Yi³,Zhang Lin¹

Affiliation:

1. Liaoning University of Petroleum and Chemical Technology

2. University of Science and Technology

3. Institute of High Energy Physics

Abstract

The effect of magnetic pulse treatments on Fe73.5Cu1Nb3Si13.5B9 amorphous alloy prepared by melt-spun technique is investigated. The structural defects of the treated specimens are investigated by position annihilation lifetime spectra. The results show that amorphous alloy Fe73.5Cu1Nb3Si13.5B9 have two kinds of free volume. One is Bernal vacancy-like which is characterized by less than an atomic volume, Another is void-like defect. Under the applied pulsed magnetic field, the annihilation lifetime and the relative intensity of treated specimens is decrease because the crystallization phase separate out from the amorphous matrix. The relative intensity I2 is increase because the larger free volumes appear at grain boundary of Cu and Nb enrichment area.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Link

https://www.scientific.net/AMR.873.60.pdf

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