Carbon Co-Deposition During Gas Reduction of Water-Atomized Fe-Cr-Mo Powder

• Autorzy: Ali B. , Choi S. H. , Seo S. J. , Maeng D. Y. , Lee C. G. , Kim T. S. , Park K. T.

Identyfikatory

DOI

10.1515/amm-2017-0163

• Języki publikacji: EN

Abstrakty

EN

The water atomization of iron powder with a composition of Fe-3Cr-0.5Mo (wt.%) at 1600°C and 150 bar creates an oxide layer, which in this study was reduced using a mixture of methane (CH₄) and argon (Ar) gas. The lowest oxygen content was achieved with a 100 cc/min flow rate of CH₄, but this also resulted in a co-deposition of carbon due to the cracking of CH₄. This carbon can be used directly to create high-quality, sinter hardenable steel, thereby eliminating the need for an additional mixing step prior to sintering. An exponential relationship was found to exist between the CH₄ gas flow rate and carbon content of the powder, meaning that its composition can be easily controlled to suit a variety of different applications.

Słowa kluczowe

EN

water atomization; Fe-based powder; oxide reduction; powder metallurgy; sinter-hardening alloys

• 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: 2017
• Tom: Vol. 62, iss. 2B
• Strony: 1119--1124
• Opis fizyczny: Bibliogr. 32 poz., rys., tab., wzory

Twórcy

autor

Ali B.

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, Incheon, South Korea
• Critical Materials and Semiconductor Packaging Engineering, University of Science and Technology, Daejeon, South Korea

autor

Choi S. H.

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, Incheon, South Korea
• Department of Advanced Materials Engineering, In-Ha University, Incheon, South Korea

autor

Seo S. J.

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, Incheon, South Korea

autor

Maeng D. Y.

• Samsung Electro-Mechanics Co. Ltd, South Korea

autor

Lee C. G.

• Advanced Materials & Processing Center, Institute for Advanced Engineering, Yongin-Si, South Korea

autor

Kim T. S.

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, Incheon, South Korea
• Critical Materials and Semiconductor Packaging Engineering, University of Science and Technology, Daejeon, South Korea

autor

Park K. T.

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, Incheon, South Korea

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)