Deformation behaviour of nanocrystalline Mg-AI alloys during nanoindentation

Diao, Hui, Yan, Cheng, Bell, John M., Lu, Li, Deng, Shengtao, Zhang, Haifeng, & Zhang, Guangping (2010) Deformation behaviour of nanocrystalline Mg-AI alloys during nanoindentation. In Chu, Paul (Ed.) The 3rd International Nanoelectronics Conference Proceedings, IEEE, Hongkong, China, pp. 1459-1460.

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Abstract

The deformation behaviour of Mg-5%AI alloys and its dependence with gain size and strain rate were investigated using nanoindentation. The grain sizes were successfully reduced below 100 nm via mechanical alloying method. It was found that the strain rate sensitivity increased with decreasing grain size. The smaller activation volumes and the plastic deformation mechanisms involving grain boundary activities are considered to contribute to the increase of strain rate sensitivity in the nanocrystalline alloys.

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ID Code: 58397
Item Type: Conference Paper
Refereed: Yes
ISBN: 9781424435449
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Solid Mechanics (091308)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanoscale Characterisation (100712)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2010 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 19 Mar 2013 01:51
Last Modified: 19 Mar 2013 02:00

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