HRTEM observation of Β'-phase in Cu-40.26 at.% Zn alloy

Masaaki Nishiyama*, Daisuke Hamatani, Kenji Matsuda, Tokimasa Kawabata, Yasuhiro Uetani, Susumu Ikeno

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

There have been many reports about the bainitic phase decomposition of annealed Cu-Zn alloy. During annealing at 523 K, the hardness of this alloy increased at the early stage of annealing, although the β-phase couldn't be observed in the matrix of β'-phase (CsCl). The crystal structure of β' phase, thus, was investigated by a high-resolution transmission electron microscopy (HRTEM) to find its structural change. As the result, the striations were observed in the HRTEM image of matrix at the early stage of annealing. The selected area diffraction pattern was also obtained from this area, and it showed the extra streaks which couldn't be explained by the normal CsCl structure of the β'-phase.

Original languageEnglish
Title of host publicationSelected, peer reviewed papers from The Sixth Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
PublisherTrans Tech Publications Ltd
Pages2305-2308
Number of pages4
EditionPART 3
ISBN (Print)0878494626, 9780878494620
DOIs
StatePublished - 2007
Event6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6 - Jeju, Korea, Republic of
Duration: 2007/11/052007/11/09

Publication series

NameMaterials Science Forum
NumberPART 3
Volume561-565
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference6th Pacific Rim International Conference on Advanced Materials and Processing, PRICM 6
Country/TerritoryKorea, Republic of
CityJeju
Period2007/11/052007/11/09

Keywords

  • As-quench
  • Cu-Zn
  • HRTEM
  • Orientation
  • β'-matrix

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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