Microstructure and Mechanical Properties of (Zr0.5Cu0.4Al0.1)100-xTax Bulk Metallic Glass Composites

• Okazaki Koji

  Graduate school, Tohoku University

• Zhang Wei

  Institute for Materials Research, Tohoku University

• Inoue Akihisa

  Institute for Materials Research, Tohoku University

書誌事項

タイトル別名

• Microstructure and Mechanical Properties of (Zr<SUB>0.5</SUB>Cu<SUB>0.4</SUB>Al<SUB>0.1</SUB>)<SUB>100−<I>x</I></SUB>Ta<I><SUB>x</SUB></I> Bulk Metallic Glass Composites
• Microstructure and Mechanical Properties of (Zr<SUB>0.5</SUB>Cu<SUB>0.4</SUB>Al<SUB>0.1</SUB>)<SUB>100&minus;<I>x</I></SUB>Ta<I><SUB>x</SUB></I> Bulk Metallic Glass Composites

抄録

We investigated the microstructure and mechanical properties of (Zr_0.5Cu_0.4Al_0.1)_100−xTa_x (x=0–12) bulk metallic glass composites containing dispersed Ta-rich dendrites prepared by copper mold casting. With increasing Ta content, the volume fraction of the dendrite particle increases, while other crystalline phases are precipitated in the Ta content range of over 9 at%. The compressive fracture strength and plastic strain of the composites significantly increase from 1890 MPa and 0.7%, respectively, for the x=0 alloy to 2180 MPa and 15.9%, respectively, for x=9 alloy, and then significantly decrease with further increasing Ta content. The improvement of plasticity is attributed to an increase in the density of shear bands before final fracture resulting from the increase of the fracture strength.

収録刊行物

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 47 (10), 2571-2575, 2006

  公益社団法人 日本金属学会

キーワード

• bulk metallic glass composite
• dendrite
• tantalum content
• mechanical property
• shear band

詳細情報

• CRID: 1390282679227372928
• NII論文ID: 10018310458
• NII書誌ID: AA1151294X
• DOI: 10.2320/matertrans.47.2571
• ISSN: 13475320
• ISSN: 13459678
• NDL書誌ID: 8092290
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8092290
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/47/10/47_10_2571/_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