Structural Relaxation of Pd39Ni10Cu30P21 Bulk Metallic Glass Under High Pressure

Chin. Phys. Lett.

2001, Vol. 18

Issue (4): 567-569 DOI:

Original Articles

Structural Relaxation of Pd₃₉Ni₁₀Cu₃₀P₂₁ Bulk Metallic Glass Under High Pressure

WANG Li-Min¹;ZHAN Zai-Ji¹;SUN Li-Ling¹;LI Gong^1,2;WANG Wen-Kui^1,2

¹Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080 ²College of Material Sciences and Chemical Engineering, Yanshan University, Qinhuangdao 066004

Cite this article:

WANG Li-Min, ZHAN Zai-Ji, SUN Li-Ling et al 2001 Chin. Phys. Lett. 18 567-569

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Abstract The Pd₃₉Ni₁₀Cu₃₀P₂₁ bulk metallic glass is isothermally relaxed under various pressures. The degree of the structural relaxation is evaluated in terms of the enthalpy recovery behaviours involved in the irreversible glass transition processes by using a temperature-modulated differential scanning calarimetry technique. A roughly linear increase of the recovery enthalpy is observed within the experimental pressure range from 2.67 to 4.45 GPa, which reflects the release of the frozen-in enthalpy in the as-quenched glass with increasing relaxation pressure. The pressure dependence of the time scale of the enthalpy recovery processes is also exhibited.

Keywords: 61.43.Dq 61.43.-j 62.50.+p 65.50.+m

Published: 01 April 2001

PACS:	61.43.Dq	(Amorphous semiconductors, metals, and alloys)
	61.43.-j	(Disordered solids)
	62.50.+p
	65.50.+m

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I4/0567

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	WANG Li-Min
	ZHAN Zai-Ji
	SUN Li-Ling
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