Journal
SCRIPTA MATERIALIA
Volume 76, Issue -, Pages 33-36Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.12.007
Keywords
Mg-Y alloys; Boriding; Age-hardening repsonse; Hardness
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Funding
- NSFC [51101142, 50821001, 51102206]
- New Century Excellent Talents in University of Ministry of Education of China [NCET-12-0690]
- Heibei Province Scientific Program [13961002D, Y2012019]
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A YB12 strengthening precipitate of 9 nm is reported for the first time in a Mg-7 wt.% Y alloy after high-pressure bonding processing. The formation of nanoscale YB12 particles with a high melting point improves the strength of the Mg-Y alloy significantly and this is coupled with its thermal stability. In addition, the age-hardening response is weakened because of the decrease in yttrium supersaturation in the Mg matrix. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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