Ce–Cu–Fe–Al–Si Bulk Metallic Glass Alloys With High Glass Forming Ability

• Bian Zan

  Institute for Materials Research, Tohoku University

• Inoue Akihisa

  Institute for Materials Research, Tohoku University

書誌事項

タイトル別名

• Ce–Cu–Fe–Al–Si Bulk Metallic Glass Alloys With High Glass Forming Ability

抄録

New Ce–Cu–Fe–Al–Si bulk metallic glasses (BMGs) with high glass formation ability (GFA) and large supercooled liquid regions (ΔT_x, ΔT_x=T_x–T_g) were developed. Investigation shows that the addition of Fe and Si elements is very effective to improve the glass formation ability of Ce-based BMGs. For an optimizing composition, the ΔT_x value is 95 K and the alloy can be prepared into bulk metallic glass rods with the diameters of at least 10 mm. In the Ce–Cu–Al–Fe alloys, the glass transition temperature (T_g), crystallization temperature (T_x) and ΔT_x increase with increasing Fe content. The reduced glass transition temperature (T_rg=T_g⁄T_l) of the present BMG system is about 0.5–0.6 and is much lower than that of other metal base BMG systems with high GFA. Compressive fracture strength (σ_f) and Young’s modulus (E) of the Ce–Cu–Al–Fe BMGs are ∼930 MPa and ∼45 GPa, respectively, and increase with increasing Fe content.

収録刊行物

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 46 (11), 2541-2544, 2005

  公益社団法人 日本金属学会

キーワード

• cerium base bulk metallic glass
• glass formation ability
• mechanical property

詳細情報

• CRID: 1390001204249966592
• NII論文ID: 130004452666
• NII論文ID: 10016869376
• NII書誌ID: AA1151294X
• DOI: 10.2320/matertrans.46.2541
• ISSN: 13475320
• ISSN: 13459678
• NDL書誌ID: 7710826
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I7710826
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/46/11/46_11_2541/_pdf
• 本文言語コード: en
• データソース種別:
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