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정전분체코팅 공정으로 제조된 SUS316L 분말 다공체의 기공 특성에 관한 연구 KCI 등재

A Study on Pore Properties of SUS316L Powder Porous Metal Fabricated by Electrostatic Powder Coating Process

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한국분말야금학회지 (Journal of Korean Powder Metallurgy Institute)
한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

Porous metals demonstrate not only excessively low densities, but also novel physical, thermal, mechanical, electrical, and acoustic properties. Thus, porous metals exhibit exceptional performance, which are useful for diesel particulate filters, heat exchangers, and noise absorbers. In this study, SUS316L foam with 90% porosity and 3,000 μm pore size is successfully manufactured using the electrostatic powder coating (ESPC) process. The mean size of SUS316L powders is approximately 12.33 μm. The pore properties are evaluated using SEM and Archimedes. As the quantity of powder coating increases, pore size decreases from 2,881 to 1,356 μm. Moreover, the strut thickness and apparent density increase from 423.7 to 898.3 μm and from 0.278 to 0.840 g/cm3, respectively. It demonstrates that pore properties of SUS316L powder porous metal are controllable by template type and quantity of powder coating.

목차
Abstract
 1. 서 론
 2. 실험방법
 3. 결과 및 고찰
 4. 결 론
 References
저자
  • 이민정(한국기계연구원 부설 재료연구소 금속분말연구실, 울산대학교 첨단소재공학부) | Min-Jeong Lee (Metal Powder Department, Korea Institute of Materials Science (KIMS), Department of Materials Science and Engineering, University of Ulsan)
  • 이유정(한국기계연구원 부설 재료연구소 금속분말연구실, 울산대학교 첨단소재공학부) | Yu-Jeong Yi (Metal Powder Department, Korea Institute of Materials Science (KIMS), Department of Materials Science and Engineering, University of Ulsan)
  • 김현주(한국기계연구원 부설 재료연구소 금속분말연구실) | Hyeon-Ju Kim (Metal Powder Department, Korea Institute of Materials Science (KIMS))
  • 박만호(㈜아스플로 기술연구소) | Manho Park (R&D Center, ASFLOW CO. Ltd)
  • 김병기(울산대학교 첨단소재공학부) | Byoung-Kee Kim (Department of Materials Science and Engineering, University of Ulsan)
  • 윤중열(한국기계연구원 부설 재료연구소 금속분말연구실) | Jung-Yeul Yun (Metal Powder Department, Korea Institute of Materials Science (KIMS)) Corresponding Author