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1994•Journal of The Surface Finishing Society of JapanOpen access

Plasma-Carburizing of Powder Metallurgy Chromium.

Nobuyuki Kanayama, Yuzuru Horie

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Abstract

Plasma-carburizing treatment of powder metallurgy chromium was carried out and the following results were obtained.1) X-ray diffraction analysis showed the formation of Cr3C2, Cr7C3 and Cr23C6 .2) Cr23C6 was formed in the surface at the early stages of the carburizing process, but Cr7C3 and Cr3C2 were formed as treatment proceeded.3) The thickness of the carbide layer was proportional to the square root of treatment time Key Words : Carburizing, Glow Discharge, Sintered Chromium, Surface Hardening, Chromium Carbide 1.

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Plasma-carburizing treatment of powder metallurgy chromium was carried out and the following results were obtained.1) X-ray diffraction analysis showed the formation of Cr3C2, Cr7C3 and Cr23C6 .2) Cr23C6 was formed in the surface at the early stages of the carburizing process, but Cr7C3 and Cr3C2 were formed as treatment proceeded.3) The thickness of the carbide layer was proportional to the square root of treatment time Key Words : Carburizing, Glow Discharge, Sintered Chromium, Surface Hardening, Chromium Carbide 1.

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Available abstract

Plasma-carburizing treatment of powder metallurgy chromium was carried out and the following results were obtained.1) X-ray diffraction analysis showed the formation of Cr3C2, Cr7C3 and Cr23C6 .2) Cr23C6 was formed in the surface at the early stages of the carburizing process, but Cr7C3 and Cr3C2 were formed as treatment proceeded.3) The thickness of the carbide layer was proportional to the square root of treatment time Key Words : Carburizing, Glow Discharge, Sintered Chromium, Surface Hardening, Chromium Carbide 1.

Key concepts: Carburizing, Powder metallurgy, Chromium carbide, Metallurgy, Carbide, Chromium, Materials science, Plasma

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