Relaxation kinetics of bulk metallic glasses below glass transition temperature

O. Haruyama, Y. Yokoyama, H. M. Kimura, A. Inoue, N. Nishiyama

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

The free volume relaxation just under the glass transition region was investigated by the high-resolution density measurement using the bulk metallic glasses with the compositions of Pd40Ni40P20 and Zr55Cu30Ni5Al10. The relaxation process was well described by a stretched exponential function with Kohlrausch exponent values less than unity. The reduced free volumes in an as-quenched state were estimated as 0.0117 and 0.0353 for Pd40Ni 40P20 glass and Zr55Cu30Ni 5Al10 glass, respectively. The specific heat curves C P(T) for Pd42.5Cu30Ni7.5P 20 alloy were obtained for the supercooled liquid, the equilibrium liquid and the crystallized alloy. The isenthalpic Kauzmann temperature T KH and isentropic Kauzmann temperature TKS were estimated as 471 K and 522 K, respectively, from the specific heat data.

本文言語English
ホスト出版物のタイトルSupplement to THERMEC 2006, 5th International Conference on PROCESSING and MANUFACTURING OF ADVANCED MATERIALS, THERMEC 2006
出版社Trans Tech Publications Ltd
ページ2059-2064
ページ数6
PART 2
ISBN(印刷版)0878494286, 9780878494286
DOI
出版ステータスPublished - 2007
イベント5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006 - Vancouver, Canada
継続期間: 2006 7 42006 7 8

出版物シリーズ

名前Materials Science Forum
番号PART 2
539-543
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Other

Other5th International Conference on Processing and Manufacturing of Advanced Materials - THERMEC'2006
CountryCanada
CityVancouver
Period06/7/406/7/8

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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