Fabrication of the Casting Products in Cu–Zn–Mn–Ni Medium-Entropy Brasses

• Nagase Takeshi

  Research Center for Ultra-High Voltage Electron Microscopy, Osaka University Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University

• Shibata Akihiro

  Osaka Research Institute of Industrial Science and Technology

• Matsumuro Mitsuaki

  Osaka Research Institute of Industrial Science and Technology

• Takemura Mamoru

  Osaka Research Institute of Industrial Science and Technology

• Semboshi Satoshi

  Institute for Materials Research, Tohoku University

抄録

The ingots of Cu_xZnMnNi (x = 1, 2) medium-entropy (ME) brasses were fabricated using metallic mold-casting process without a vacuum chamber. The molten metal was obtained by high-frequency melting of the mixture of pure Cu, pure Ni, and pre-alloy ingots of Mn–Cu and Zn–Ni using silica-based crucible in Ar flow. The metallic mold-casting ingots were obtained using centrifugal casting in air atmosphere. The composite of body-centered-cubic (BCC) and face-centered-cubic (FCC) phases were obtained in the ingots of equiatomic CuZnMnNi ME brass, while a near-single FCC phase was obtained in the ingots of non-equiatomic Cu₂ZnMnNi ME brass, where the identification of the constituent phases was mainly performed by XRD analysis. The ingots showed superior deformability and high 0.2% proof stress during compression test conducted at room temperature.   This Paper was Originally Published in Japanese in J. Japan Institute of Copper 59 (2020) 24–31. Minor corrections in abstract, main text, Figure and Table captions were performed with the translation from Japanese to English and proofreading by native speakers. Reference 43) was updated. An appendix containing figures based on the original and new experimental results has been added to the paper.

収録刊行物

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 62 (6), 856-863, 2021-06-01

  公益社団法人 日本金属学会

キーワード

• brass
• medium-entropy alloy
• casting
• solidification
• microstructure

詳細情報

• CRID: 1390851087354086400
• NII論文ID: 130008042829
• NII書誌ID: AA1151294X
• DOI: 10.2320/matertrans.mt-m2020259
• ISSN: 13475320
• ISSN: 13459678
• NDL書誌ID: 031470609
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I031470609
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/62/6/62_MT-M2020259/_pdf
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可