Positron annihilation lifetime spectroscopy study of roller burnished magnesium alloy-Reference-Cited by-同舟云学术

Positron annihilation lifetime spectroscopy study of roller burnished magnesium alloy

Published:2015-12-01 Issue:4 Volume:60 Page:789-794
ISSN:0029-5922
Container-title:Nukleonika
language:en
Short-container-title:

Author:

Zaleski Radosław¹,Zaleski Kazimierz²,Gorgol Marek¹

Affiliation:

1. Department of Nuclear Methods, Institute of Physics, Maria Curie-Skłodowska University, 1 M. Curie-Skłodowskiej Sq., 20-031 Lublin, Poland, Tel.: +48 81 537 6145, Fax: +48 81 537 6191

2. Faculty of Mechanical Engineering, Lublin University of Technology, 36 Nadbystrzycka Str., 20-618 Lublin, Poland

Abstract

Abstract The effect of roller burnishing on Vickers’ hardness and positron lifetimes in the AZ91HP magnesium alloy was studied. The microhardness increases with an increase in the burnishing force and with a decrease in the feed. The comparison of various methods of analysis of positron annihilation lifetime (PAL) spectra allowed identification of two components, which are related to solute-vacancy complexes and vacancy clusters, respectively. It was found that the increase in microhardness was related to the increase in the concentration of vacancy clusters.

Publisher

Walter de Gruyter GmbH

Subject

Waste Management and Disposal,Condensed Matter Physics,Safety, Risk, Reliability and Quality,Instrumentation,Nuclear Energy and Engineering,Nuclear and High Energy Physics

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