Microstructure and Thermal Stability of Ultra Fine Grained Mg and Mg-Gd Alloys Prepared by High-Pressure Torsion-Reference-Cited by-同舟云学术

Microstructure and Thermal Stability of Ultra Fine Grained Mg and Mg-Gd Alloys Prepared by High-Pressure Torsion

Published:2005-04 Issue: Volume:482 Page:183-186
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Čížek Jakub¹,Procházka Ivan²,Smola Bohumil³^ORCID,Stulíková Ivana,Kužel Radomír²,Matěj Z.,Cherkaska V.,Islamgaliev Rinat K.⁴,Kulyasova Olya B.⁴

Affiliation:

1. Nanyang Technological University

2. Charles University

3. Charles University in Prague

4. Ufa State Aviation Technical University

Abstract

Bulk samples of pure Mg and Mg-Gd alloys were prepared by high-pressure torsion (HPT). The HPT made samples exhibit ultra fine grained (UFG) structure with grain size around 100 nm. Results of microstructure investigations of the UFG samples obtained by positron lifetime (PL) spectroscopy, transmission electron microscopy (TEM) and X-ray diffraction (XRD) are presented. In particular, lattice defects introduced by HPT were characterized. The data obtained at atomistic level are compared with macroscopic properties given by microhardness measurements.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.482.183.pdf

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