2008•Heat treatment of metalsRequires access

Effects of heat treatments on structure and properties of a high chromium cast iron

Guo Yi

Abstract

The microstructure of high chromium cast iron samples after different heat treatment processes was analyzed by optical microscope.The hardness and impact toughness of samples were measured.The results show that after 950 ℃ to 980 ℃ oil quenching and tempering at 400 ℃ the hardness of a high chromium cast iron is higher than 60HRC and the impact toughness is not lower than 9 J/cm-2.

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Available abstract

Key concepts: Materials science, Chromium, Tempering, Cast iron, Metallurgy, Microstructure, Quenching (fluorescence), Toughness