Soft magnetic bulk glassy alloy synthesized by flux melting and water quenching

Akihiro Makino, Teruo Bitoh, Akihisa Lnoue, A. L. Greer

研究成果: Conference contribution

6 被引用数 (Scopus)

抄録

The flux treatment was applied to increase the glass-forming ability of a glassy [(Fe0.5Co0.5)0.75B0.20Si 0.05]96Nb4 alloy. The large bulk glassy specimen with diameter of 7.7 mm was prepared by water quenching the melt immersed in the molten flux of B2O3. The diameter of the specimens is approximately 1.5 times as large as the previous result, even though the cooling rate of copper mold casting should be much higher than that of water quenching. The critical cooling rate for a glassy phase is 150 - 170 K/s, which is much slower than 500 K/s without the flux treatment. The flux treatment improves the glass-forming ability by cleaning the molten metal where heterogeneous nucleation is difficult to take place.

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1921-1925
ページ数5
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月 42006 7月 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
国/地域Canada
CityVancouver
Period06/7/406/7/8

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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