Hall-Petch parameters in tension and compression in cast Mg-2Zn alloys

Mann, G., Griffiths, J. R. and Caceres, C. H. (2004). Hall-Petch parameters in tension and compression in cast Mg-2Zn alloys. In: F. Chmelik, Journal of Alloys and Compounds. Proceedings of the 9th International Symposium on Physics of Materials (ISPMA 9). 9th International Symposium on Physics of Materials (ISPMA 9), Prague, Czech Republic, (188-191). 1 - 4 September 2003. doi:10.1016/j.jallcom.2003.12.052


Author Mann, G.
Griffiths, J. R.
Caceres, C. H.
Title of paper Hall-Petch parameters in tension and compression in cast Mg-2Zn alloys
Conference name 9th International Symposium on Physics of Materials (ISPMA 9)
Conference location Prague, Czech Republic
Conference dates 1 - 4 September 2003
Proceedings title Journal of Alloys and Compounds. Proceedings of the 9th International Symposium on Physics of Materials (ISPMA 9)   Check publisher's open access policy
Journal name Journal of Alloys and Compounds   Check publisher's open access policy
Place of Publication Switzerland
Publisher Elsevier
Publication Year 2004
Sub-type Fully published paper
DOI 10.1016/j.jallcom.2003.12.052
ISSN 0925-8388
Editor F. Chmelik
Volume 378
Issue 1-2
Start page 188
End page 191
Total pages 4
Language eng
Abstract/Summary The flow stress in tension and compression has been measured as a function of plastic strain in Mg-2Zn castings with grain sizes ranging from 55 to 340 mum. Hall-Petch parameters have been calculated and are compared to those previously reported. In contrast to the behaviour of pure Mg grain refined with Zr and of hot-worked and recrystallised pure Mg and Mg-Zn alloys, the cast material shows little tension/compression asymmetry of the flow stress. The possible effects of texture and of twinning are noted. (C) 2004 Elsevier B.V. All rights reserved.
Subjects C1
291403 Alloy Materials
671001 Structural metal products
Keyword Chemistry, Physical
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Metals
Casting
Grain Boundaries
Magnesium Single-crystals
Silicon-iron
Polycrystalline 3
Mg
Slip
Microstrain
Fracture
Strength
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 04:07:28 EST