(J039) Measurement of Carbon Content in Japanese Swords by Using EBSD

摘要

The steel of Japanese sword is refined from a special sponge steel (tamahagane) by a sequence of forge-folding processes. Compared to ordinary carbon steel, the steel of Japanese sword usually does not have a uniform distribution of carbon content. The carbon content of Japanese sword varies both locally and globally (Fig.1). Therefore, it is necessary to find a method for local measurement of carbon content in Japanese sword for quantitative evaluation of its microstructure.