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A Study of Conductive Materials and Performance Comparison According to the Manufacturing Process for Induction Heating Ceramics Container

내열 세라믹 용기의 인덕션 가열을 위한 전자기 유도용 도전 소재의 제조 공정에 따른 특성 평가

  • Jun-Woo Lee (Department of Electronic Materials Engineering, Kwangwoon University) ;
  • Ji-Hui Oh (Material Technology Center, Korea Testing Laboratory) ;
  • Yong-Nam Kim (Material Technology Center, Korea Testing Laboratory) ;
  • Sang-Mo Koo (Department of Electronic Materials Engineering, Kwangwoon University) ;
  • Dong-Won Lee (Material Technology Center, Korea Testing Laboratory) ;
  • Jong-Min Oh (Department of Electronic Materials Engineering, Kwangwoon University)
  • 이준우 (광운대학교 전자재료공학과) ;
  • 오지희 (한국산업기술시험원 재료기술센터) ;
  • 김용남 (한국산업기술시험원 재료기술센터) ;
  • 구상모 (광운대학교 전자재료공학과) ;
  • 이동원 (한국산업기술시험원 재료기술센터) ;
  • 오종민 (광운대학교 전자재료공학과)
  • Received : 2024.06.10
  • Accepted : 2024.06.21
  • Published : 2024.11.01

Abstract

Recently, as environmental issues caused by gas stoves have led to the widespread adoption of induction appliances, specialized cookware for induction is essential. However, due to the inability of ceramic containers to be directly used on induction cooktops, a conductive coating is required on the bottom of the cookware, presenting limitations such as complex deposition processes and extended coating times in existing methods including thermal spraying, dip coating, and transcription method. We confirmed the potential of heat-resistant cookware for induction use by coating the bottom of the ceramic container with Ag through a simple manufacturing process of screen-printing and measuring its thermal conductivity and reliability. The Ag-coated ceramic cookware produced by screen-printing demonstrated similar thermal conductivity and reliability to those made using the traditional method of transfer printing. In addition, the adhesive strength before and after thermal shock testing was even superior in the screen-printing method, which suggests a higher expected lifespan. As a result, it is expected that induction-compatible heat-resistant ceramic containers with excellent performance and lifespan will be manufactured through the screen-printing process, which is more cost-effective and efficient compared to other methods.

Keywords

Acknowledgement

본 연구는 산업통상자원부 전략 핵심 소재 자립화 기술 사업(No.2001914), 산업통상자원부 한국산업기술진흥원 산업혁신인재성장지원사업(P0012451), 과학기술정보통신부 한국연구재단 기초연구사업(No.RS-2023-00212985)의 지원 및 2024년도 광운대학교 우수연구자 지원 사업의 지원을 받아 수행된 연구임.

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