An indirect approach to measure glass transition temperature in metallic glasses

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	An indirect approach to measure glass transition temperature in metallic glasses
	H. J. Jin ; K. Lu
刊名	International Journal of Materials Research
	2006
卷号	97 期号:4 页码:388-394
关键词	metallic glasses glass transition enthalpy recovery structural relaxation hydrostatic pressure supercooled liquid region structural relaxation amorphous-alloys al-ni pressure deformation dynamics
ISSN号	1862-5282
中文摘要	Glass transition behavior of metallic glasses under some extraordinary conditions (such as under high pressures) remains unexplored. Conventional measurements of glass transition temperature, T-g, are very difficult to perform under these extraordinary circumstances. In the present paper, we introduce an indirect approach to characterize glass transition, using enthalpy recovery experiments. With annealing deeply relaxed glassy samples and subsequent DSC measurements, a variation of enthalpy change upon heating with annealing temperature can be obtained. The variation of enthalpy change, a signature of glass transition, was found to correlate well with the directly measured DSC curves for the glass transition. This unique method was successfully applied in determining Tg of several metallic glasses under hydrostatic high pressures and compression stresses.
原文出处	://WOS:000238595200008
公开日期	2012-04-13
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/34281]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	H. J. Jin,K. Lu. An indirect approach to measure glass transition temperature in metallic glasses[J]. International Journal of Materials Research,2006,97(4):388-394.
APA	H. J. Jin,&K. Lu.(2006).An indirect approach to measure glass transition temperature in metallic glasses.International Journal of Materials Research,97(4),388-394.
MLA	H. J. Jin,et al."An indirect approach to measure glass transition temperature in metallic glasses".International Journal of Materials Research 97.4(2006):388-394.