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Formation of Pd--Ni Based Bulk Metallic Glasses |
| WANG Yao-Cen;CHEN Na;YAO Ke-Fu |
| Key Laboratory for Advanced Materials Processing Technology (Ministry of Education) Department of Mechanical Engineering, Tsinghua University, Beijing100084 |
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| Cite this article: |
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WANG Yao-Cen, CHEN Na, YAO Ke-Fu 2007 Chin. Phys. Lett. 24 1653-1655 |
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Abstract Bulk metallic glasses are prepared in Pd40.5Ni40.5SixP19-x (x=0$--14 at.%)
alloys by a combination of flux treatment and water quenching technique. It is found that the thermal stability of the Pd40.5Ni40.5SixP19-x glassy alloys depends on the addition of Si content. Among the Pd40.5Ni40.5SixP19-x glassy alloys studied, the Pd40.5Ni40.5Si5P15 bulk metallic glass exhibits the largest supercooled liquid region (△T=119,K) and the highest activation energy of crystallization (283.3kJ/mol), showing enhanced glass formation ability and extraordinary glassy thermal stability.
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| Keywords:
61.10.Nz
61.43.Dq
67.55.Cx
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Received: 19 March 2007
Published: 17 May 2007
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