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Elevated-temperature impact toughness of Mg–(Gd, Y)–Zr alloy
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Mu, Y. L., Wang, Q. D., Hu, M. L., Janik, Vit and Yin, D. D. (2013) Elevated-temperature impact toughness of Mg–(Gd, Y)–Zr alloy. Scripta Materialia, Volume 68 (Number 11). pp. 885-888. doi:10.1016/j.scriptamat.2013.02.031 ISSN 1359-6462.
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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2013.02.031
Abstract
The Charpy impact results for Mg–10Gd–3Y–0.5Zr and Mg–11Y–5Gd–2Zn–0.5Zr alloys at various temperatures showed that Mg–10Gd–3Y–0.5Zr was more sensitive to temperature. The increase in impact toughness with temperature was related to the blunt crack-tip at high temperatures. The delamination and local melt of matrix were responsible for the brittle-to-ductile transition of GW103 alloy. The branch and bridging of cracks resulting from ordered phases played an import role in the change in fracture mode from cleavage fracture to quasi-cleavage and dimple-fracture for WGZ1152 alloy.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > T Technology (General) T Technology > TN Mining engineering. Metallurgy |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Library of Congress Subject Headings (LCSH): | Magnesium alloys, Magnesium -- Metallurgy | ||||
Journal or Publication Title: | Scripta Materialia | ||||
Publisher: | Elsevier Ltd | ||||
ISSN: | 1359-6462 | ||||
Official Date: | June 2013 | ||||
Dates: |
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Volume: | Volume 68 | ||||
Number: | Number 11 | ||||
Number of Pages: | 4 | ||||
Page Range: | pp. 885-888 | ||||
DOI: | 10.1016/j.scriptamat.2013.02.031 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC), Hi-Tech Research and Development Program of China, National Key Technology R&D Program of China | ||||
Grant number: | 51074106 (NSFC), 2009AA033501 (HTRDPC), 2011BAE22B01-5 (NKTRDPC), 2006BAE04B01-2 (NKTRDPC) |
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