期刊
PHYSICAL REVIEW B
卷 89, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.89.174113
关键词
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资金
- Austrian Science Fund, FWF [P22645-N20]
- Austrian Science Fund (FWF) [P22645] Funding Source: Austrian Science Fund (FWF)
- Austrian Science Fund (FWF) [P 22645] Funding Source: researchfish
High-precision LASER dilatometry with a unique measurement setup was applied to the bulk metallic glass alloy Zr52.5Ti5Cu17.9Ni14.6Al10 (Vit105) for specific volume studies. Employing small temperature steps of Delta T = 5 and 10 K and long measurement times effective heating rates of the order of 10(-2) K/min were realized and changes of the specific volume were measured with a resolution of Delta V/V = 10(-6) down to 573 K. The temperature regime of these experiments is far below a calorimetrically determined glass transition of T calor g = 659 K (5 K/min). The experimental results strongly support theoretical predictions for the existence of an ideal glass transition that was observed in this study at T-g = 628 K for this bulk metallic glass model alloy.
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