Fabrication and Compressive Properties of Open-Cell Ni-Mo-Cr (Hastelloy) Foams Manufactured by Electrostatic Powder Spraying

• Autorzy: Kang Tae-Hoon , Kim Kyu-Sik , Lee Min-Jeong , Yun Jung-Yeul , Lee Kee-Ahn

Identyfikatory

DOI

10.24425/amm.2020.133221

• Języki publikacji: EN

Abstrakty

EN

An open-cell Ni-Mo-Cr foam was newly manufactured using electrostatic powder spraying process and its room-temperature compressive properties were investigated in this study. For manufacturing Ni-Mo-Cr foam, Ni-Mo-Cr powders were sprayed on the polyurethane pre-form by electrostatic powder spraying process. And then, Ni-Mo-Cr powder sprayed pre-forms were sintered at 1200°C, 1250°C, and 1300°C, respectively. The relative densities of Ni-Mo-Cr foams were measured at 4 ~ 5%. Room tempera-ture compressive curves of ESP Ni-Mo-Cr foams represented the typical compressive 3-stages (elastic, plateau, densification) of open-cell metallic foam. As a result of observation of deformed specimen, the fracture mode found to be changed from brittle to ductile as sintering temperature increased. Based on these findings, correlations between structural characteristics, microstructure, and compressive deformation behavior were also discussed.

Słowa kluczowe

EN

metallic foam; electrostatic powder spraying; Ni-Mo-Cr alloy; sintering; compressive property

• 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: 2020
• Tom: Vol. 65, iss. 3
• Strony: 1081--1086
• Opis fizyczny: Bibliogr. 22 poz., fot., rys., tab., wzory

Twórcy

autor

Kang Tae-Hoon

• INHA University, Department of Material Science and Engineering, Incheon 22212, Republic of Korea

autor

Kim Kyu-Sik

• INHA University, Department of Material Science and Engineering, Incheon 22212, Republic of Korea

autor

Lee Min-Jeong

• Korea Institute of Materials Science (KIMS), Changwon 51508, Republic of Korea

autor

Yun Jung-Yeul

• Korea Institute of Materials Science (KIMS), Changwon 51508, Republic of Korea

autor

Lee Kee-Ahn

• INHA University, Department of Material Science and Engineering, Incheon 22212, Republic of Korea

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Uwagi

EN

1. This work was supported by INHA UNIVERSITY Research Grant.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).