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

• Autorzy: Lee Min-Jeong , Yi Yu-Jeong , Kim Hyeon-Ju , Park Man-Ho , Kim Byoung-Kee , Yun Jung-Yeul

Identyfikatory

DOI

10.24425/amm.2019.127576

• Języki publikacji: EN

Abstrakty

EN

Porous metals show not only extremely low density, but also excellent physical, mechanical and acoustic properties. In this study, Hastelloy powders prepared by gas atomization are used to manufacture 3D geometries of Hastelloy porous metal with above 90% porosity using electrostatic powder coating process. In order to control pore size and porosity, foam is sintered at 1200~1300°C and different powder coating amount. The pore properties are evaluated using SEM and Archimedes method. As powder coating amount and sintering temperature increased, porosity is decreased from 96.4 to 94.4%. And foam density is increased from 0.323 to 0.497 g/cm³ and pore size is decreased from 98 to 560 μm. When the sintering temperature is increased, foam thickness and strut thickness are decreased from 9.85 to 8.13 mm and from 366 to 292 μm.

Słowa kluczowe

EN

electrostatic powder coating; Hastelloy; porous metal; pore properties; powder coating amount

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2019
• Tom: Vol. 64, iss. 2
• Strony: 547--550
• Opis fizyczny: Bibliogr. 19 poz., fot., rys., tab.

Twórcy

autor

Lee Min-Jeong

• Korea Institute of Materials Science (KIMS), Metal Powder Department, Changwon 51508, Korea
• University of Ulsan, Department of Materials Science and Engineering, Ulsan, Korea

autor

Yi Yu-Jeong

• Korea Institute of Materials Science (KIMS), Metal Powder Department, Changwon 51508, Korea
• University of Ulsan, Department of Materials Science and Engineering, Ulsan, Korea

autor

Kim Hyeon-Ju

• Korea Institute of Materials Science (KIMS), Metal Powder Department, Changwon 51508, Korea

autor

Park Man-Ho

• R&D Center, Asflow Co. Ltd. Suwon, Korea

autor

Kim Byoung-Kee

• University of Ulsan, Department of Materials Science and Engineering, Ulsan, Korea

autor

Yun Jung-Yeul

• Korea Institute of Materials Science (KIMS), Metal Powder Department, Changwon 51508, Korea

Bibliografia

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Uwagi

EN

1. This study was supported financially by Fundamental Research Program of the Korean Institute of Materials Science (KIMS) and by a grant from the Fundamental R&D Program for Strategic Core Technology of Materials funded by the Ministry of Trade, Industry & Energy, Republic of Korea.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).