| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Formation and Compression Behavior of Two-Phase Bulk Metallic Glasses with a Minor Addition of Aluminum |
| ZONG Hai-Tao1,2, MA Ming-Zhen1, ZHANG Xin-Yu1, QI Li1, LI Gong1, JING Qin1, LIU Ri-Ping1**
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1State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004
2College of Physics and Chemistry, Henan Polytechnic University, Jiaozuo 454000
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ZONG Hai-Tao, MA Ming-Zhen, ZHANG Xin-Yu et al 2011 Chin. Phys. Lett. 28 036103 |
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Abstract A remarkable enhancement in room-temperature compressive deformability is realized by the minor-addition of 1.5 at.% Al in ZrTi-based bulk metallic glass. Two amorphous phases are observed by transmission electron microscopy in the Al-containing alloys and this explains the improvement of compression deformability. The studies suggest that phase separation might occur in glass forming alloys with a negative enthalpy of mixing.
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| Keywords:
61.43.Dq
62.20.Fe
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Received: 01 September 2010
Published: 28 February 2011
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