Journal of the Korean Society for Heat Treatment (열처리공학회지)

The Korean Society for Heat Treatment (한국열처리공학회)
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The Selection of Optimum Measurement Method of Antimicrobial Activity and Constituent Phase of Yuggi Alloy according to Heat Treatment Condition

유기합금의 열처리조건에 따른 구성상의 제어와 최적 항균특성 측정방법의 선정

  • Park, Kyu-Ha (Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University) ;
  • Hwang, Dae Youn (Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute, Pusan National University) ;
  • Son, Hong-Joo (Department of Life Science and Environmental Biochemistry/Life and Industry Convergence Research Institute, Pusan National University) ;
  • Choi, Ji Woong (Department of Nanomechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University) ;
  • Kim, Hye Sung (Department of Nanomechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University)
  • 박규하 (부산대학교 바이오소재과학과) ;
  • 황대연 (부산대학교 바이오소재과학과) ;
  • 손홍주 (부산대학교 생명환경화학과) ;
  • 최지웅 (부산대학교 나노메카트로닉스공학과) ;
  • 김혜성 (부산대학교 나노메카트로닉스공학과)
  • Received : 2021.09.02
  • Accepted : 2021.09.17
  • Published : 2021.09.30
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Abstract

The mechanical, anti-tarnishing, and corrosion characteristics of Yuggi (Cu-22wt%Sn) alloy are greatly affected by fraction of constituent phases according to heat treatment method. The Yuggi heat-treated at 750℃ has a β1' phase of 98% or more, which is a high-temperature disordered beta phase, on the other hand, cast Yuggi that Sn is solid-solutioned into Cu consists with α-phase over 60v/o. This difference of constituent phases of Yuggi may cause a difference in dissolution of Cu under antimicrobial test condition. Nonetheless, few studies have been conducted on the effect of fraction of constituent phases and constituent phases in antimicrobial activity. In addition, few studies have also been conducted on the suitable method measuring the antimicrobial activity of Yuggi. Hence, the purpose of this study is to provide an optimum measurement method of antimicrobial activity, and to evaluate quantitatively the effect of constituent phases on antimicrobial activity.

Keywords

Acknowledgement

본 연구는 연구재단의 지원(NRF-2017M3CIB5018722)을 받아 수행되었습니다.

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