Formation and Mechanical Properties of Bulk Glassy Ni57-xTi23Zr15Si5Pdx Alloys

• Wang Limin

  Inoue Superliquid Glass Project, ERATO, JST

• Li Chunfei

  Inoue Superliquid Glass Project, ERATO, JST

• Inoue Akihisa

  Institute for Materials Research, Tohoku University

書誌事項

タイトル別名

• Formation and Mechanical Properties of Bulk Glassy Ni<SUB>57-x</SUB>Ti<SUB>23</SUB>Zr<SUB>15</SUB>Si<SUB>5</SUB>Pd<SUB>x</SUB> Alloys

抄録

The glass-forming ability in Ni_57−xTi₂₃Zr₁₅Si₅Pd_x (x=0, 5, 10, 12.5, 15 and 20) alloys as a function of Pd concentration was examined by melt-spinning and copper mold casting methods. All the melt-spun ribbons are in a glassy state. ΔT_x(ΔT_x=T_x−T_g) and T_g⁄T_m were used to evaluate the glass-forming ability, where T_g,T_x and T_m represent the glass transition, crystallization and melting temperatures, respectively. The observation of large ΔT_x and T_g⁄T_m values in the 12.5 at%Pd alloy implies a high glass-forming ability. At this composition, a cylindrical bulk alloy with a diameter of 2 mm was verified to be in a single glassy state. For the bulk cylinder of 3 mm in diameter, the volume fraction of glassy phase is approximately 92%. The compression fracture strength (σ) and Vickers hardness (H_v) of the bulk glassy alloy are 2100 MPa and 620, respectively. These results demonstrate the good mechanical performance of the present Ni-based bulk glassy alloy, which is prominent for future application.

収録刊行物

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 42 (5), 886-889, 2001

  公益社団法人 日本金属学会

キーワード

• nickel-based bulk glassy alloy
• melt-spinning
• copper mold casting
• glass-forming ability
• mechanical properties

詳細情報

• CRID: 1390001204247643904
• NII論文ID: 10006549117
• NII書誌ID: AA1151294X
• DOI: 10.2320/matertrans.42.886
• COI: 1:CAS:528:DC%2BD3MXlsVyit7k%3D
• ISSN: 13475320
• ISSN: 13459678
• NDL書誌ID: 5790487
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I5790487
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/42/5/42_5_886/_pdf
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可