Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HASEGAWA Hiroyuki and TSUKAMOTO Shinya and SUZUKI Tetsuya,Changes in Microhardness and Microstructure of Nitride Ceramic Coatings,Journal of High Temperature Society,03871096,High Temperature Society of Japan,2007,33,2,78-83,https://cir.nii.ac.jp/crid/1390282681407164288,https://doi.org/10.7791/jhts.33.78