Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Durability and Characteristics of Ag-Pd Rod Heater for Bidet Fabricated by Screen Printing Process

스크린 프린팅 공정에 의해 제조된 비데용 Ag-Pd 봉형 발열체의 내구성 및 물성 평가

  • Tae-Ung, Park (School of Energy Materials and Chemical Engineering, Korea University of Technology and Education) ;
  • Da-Eun, Hyun (Department of Electronic Materials Engineering, Kwangwoon University) ;
  • Ik-Soo, Kim (Department of Electronic Materials Engineering, Kwangwoon University) ;
  • Sung-Chul, Lee (Winner Technology) ;
  • Yeon-Sook, Lee (Material Technology Center, Korea Testing Laboratory) ;
  • Yong-Nam, Kim (Material Technology Center, Korea Testing Laboratory) ;
  • Dong-Won, Lee (Material Technology Center, Korea Testing Laboratory) ;
  • Jong-Min, Oh (Department of Electronic Materials Engineering, Kwangwoon University)
  • 박태웅 (한국기술교육대학교 에너지신소재화학공학부) ;
  • 현다은 (광운대학교 전자재료공학과) ;
  • 김익수 (광운대학교 전자재료공학과) ;
  • 이성철 (위너테크놀로지) ;
  • 이연숙 (한국산업기술시험원 재료기술센터) ;
  • 김용남 (한국산업기술시험원 재료기술센터) ;
  • 이동원 (한국산업기술시험원 재료기술센터) ;
  • 오종민 (광운대학교 전자재료공학과)
  • Received : 2022.09.03
  • Accepted : 2022.10.11
  • Published : 2023.01.01
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Abstract

Heaters using the resistance heating principle are used in various industrial fields that require heat and are also essentially used in bidet among small home appliances. A planar heater and a coil-inserted heater mounted on a conventional commercially used bidet have disadvantages and limitations of complicated manufacturing process and local heating. In this study, silver-palladium (Ag-Pd) powder material was used for a screen-printing process that is more advantageous in achieving simplification than the existing process, and a rod-type heater for bidet was manufactured. The on-off cycle test under actual conditions was conducted to confirm the durability and the capability of the fabricated heater, and the fabricated heater operated more than 2,600 on-off cycles, which means it could be applied for a commercial product. In addition, through the on-off cycles under harsh conditions, the cause of failure was identified after the test that the durability limit temperature of the heater was 850℃. Through Ag-Pd rod heater in this study, it is expected to contribute to the efficient development of electrode materials for heaters and the improvement of the durability of heaters in the future.

Keywords

Acknowledgement

본 연구는 산업통상자원부 전략 핵심소재 자립화 기술사업(No. 2001914), 산업통산자원부 한국산업기술진흥원 산업혁신인재성장지원사업(P0012451) 및 과학기술정보통신부 한국연구재단 기초연구사업(No.2020R1F1A107349113)의 지원들을 받아 수행된 연구임.

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