Structural and thermal sensitivity of Cu-Zr-Ti amorphous alloys to tension

Structural and thermal sensitivity of Cu（60-x）Zr（30＋x）Ti10 （x=0, 5, and 10 at%） amorphous alloys to the application of tension was investigated. The structural sensitivity to tension decreases with increasing Cu content. The crystallization enthalpy increases with increasing excess free volume. The...

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Bibliographic Details
Published in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2013-08, Vol.56 (8), p.1606-1610
Main Authors: Cai, AnHui, Xiong, Xiang, Liu, Yong, An, WeiKe, Zhou, GuoJun, Luo, Yun, Li, TieLin, Li, XiaoSong
Format: Article
Language:English
Subjects:
Alloys
Amorphous alloys
Astronomy
Classical and Continuum Physics
Copper
Crystallization
Enthalpy
Glass transition
Heating rate
Letter
Metallic glasses
Observations and Techniques
Physics
Physics and Astronomy
Sensitivity
Tension
张力
热灵敏度
玻璃化转变
结晶程序
结构灵敏度
自由体积
锆
非晶合金
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Summary:Structural and thermal sensitivity of Cu（60-x）Zr（30＋x）Ti10 （x=0, 5, and 10 at%） amorphous alloys to the application of tension was investigated. The structural sensitivity to tension decreases with increasing Cu content. The crystallization enthalpy increases with increasing excess free volume. The characteristic temperatures of the tensile samples can surpass those of the as-cast ones under a critical heating rate which differs in the Cu content. The increase of the excess free volume significantly influences the glass transition and crystallization procedures.
ISSN:1674-7348
1869-1927
DOI:10.1007/s11433-013-5155-9