Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32817
Title: Localized solid-state amorphization at grain boundaries in a nanocrystalline Al solid solution subjected to surface mechanical attrition
Authors: Wu, X
Tao, N
Hong, Y
Lu, J
Lu, K
Issue Date: 2005
Publisher: Institute of Physics Publishing
Source: Journal of physics. D, Applied physics, 2005, v. 38, no. 22, p. 4140-4143 How to cite?
Journal: Journal of physics. D, Applied physics 
Abstract: Using high-resolution electron microscopy, localized solid-state amorphization (SSA) was observed in a nanocrystalline (NC) Al solid solution (weight per cent 4.2 Cu, 0.3 Mn, the rest being Al) subjected to a surface mechanical attrition treatment. It was found that the deformation-induced SSA may occur at the grain boundary (GB) where either the high density dislocations or dislocation complexes are present. It is suggested that lattice instability due to elastic distortion within the dislocation core region plays a significant role in the initiation of the localized SSA at defective sites. Meanwhile, the GB of severely deformed NC grains exhibits a continuously varying atomic structure in such a way that while most of the GB is ordered but reveals corrugated configurations, localized amorphization may occur along the same GB.
URI: http://hdl.handle.net/10397/32817
ISSN: 0022-3727
EISSN: 1361-6463
DOI: 10.1088/0022-3727/38/22/019
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

14
Last Week
0
Last month
0
Citations as of Oct 9, 2017

WEB OF SCIENCETM
Citations

13
Last Week
0
Last month
0
Citations as of Oct 15, 2017

Page view(s)

78
Last Week
5
Last month
Checked on Oct 15, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.