Viscous flow behaviors of supercooled liquids of pre-annealed Zr 55Cu30Al10Ni5 bulk metallic glasses

T. Yamasaki, S. Maeda, T. Kikuchi, T. Fukami, Y. Yokoyama, T. Yamamoto, H. M. Kimura, A. Inoue

研究成果: Conference contribution

2 被引用数 (Scopus)

抄録

Viscous flow behavior in supercooled liquid region of as-cast and pre-annealed Zr55Cu30Al10Ni5 bulk metallic glasses has been examined by using a penetration viscometer under high-speed heating rate of 20, 200 and 400°C/min. Applied load for the cylindrical-shaped penetration indenter with a diameter of 1 mm was varied from 0.049 N to 0.294 N. Viscosity was quite independent of these applied loads. By pre-annealing the bulk metallic glasses at 400°C, the density of the glasses increased, while the viscosity and the activation energy for viscous flow in their soopercooled liquid decreased with the pre-annealing treatments. Corresponding measurements of the differential thermal calorimetry (DSC) have been also done.

本文言語English
ホスト出版物のタイトルSelected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
出版社Trans Tech Publications Ltd
ページ1271-1274
ページ数4
PART 2
ISBN(印刷版)0878494626, 9780878494620
DOI
出版ステータスPublished - 2007
外部発表はい
イベント6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 - Jeju, Korea, Republic of
継続期間: 2007 11月 52007 11月 9

出版物シリーズ

名前Materials Science Forum
番号PART 2
561-565
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Other

Other6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
国/地域Korea, Republic of
CityJeju
Period07/11/507/11/9

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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