Solid/Powder Clad Ti-6Al-4V Alloy with Low Young’s Modulus and High Toughness Fabricated by Electron Beam Melting

• Ikeo Naoko

  Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

• Ishimoto Takuya

  Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

• Hiramoto Natsumi

  Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

• Fukuda Hidetsugu

  Nakashima Medical Co., Ltd

• Ogisu Hiroyuki

  Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

• Araki Yutaro

  Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

• Nakano Takayoshi

  Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

書誌事項

タイトル別名

• Solid/Powder Clad Ti-6Al-4V Alloy with Low Young’s Modulus and High Toughness Fabricated by Electron Beam Melting

抄録

A clad structure that consists of solid and powder parts was created from powdered Ti-6Al-4V utilizing electron beam melting (EBM) technique by a single process. The input energy density required to melt the raw powder material was controlled by changing the scan speed of the electron beam from 100 to 2000 mm/s. The finished products showed several types of structures: a dense solid, a periodic layered (clad) structure made up of a solid part and an unmelted powder part, and almost full powder. The products with the clad structure showed a combination of low Young’s modulus and high toughness as characterized by the presence of a stress plateau in the stress-strain curve. Both of these qualities are necessary for feasibility as implant materials used in orthopedic fields. We conclude that the products developed in this study could be useful as bone implants in terms of the mechanical similarity to bones, despite needing only an single EBM process for fabrication.

収録刊行物

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 56 (5), 755-758, 2015

  公益社団法人 日本金属学会

キーワード

• electron beam melting
• clad structure
• biomaterials
• low Young’s modulus
• toughness

詳細情報

• CRID: 1390001204253894528
• NII論文ID: 130005065985
• NII書誌ID: AA1151294X
• DOI: 10.2320/matertrans.m2015025
• ISSN: 13475320
• ISSN: 13459678
• NDL書誌ID: 026355646
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I026355646
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/56/5/56_M2015025/_pdf
• 本文言語コード: en
• データソース種別:
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  • NDL
  • Crossref
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