"Haruna Ishizuka,Youichi Watanabe,Masao Takeyama","Surface Microstructure and Its Growth Behavior by Nitrocarburizing with Lithium Added Molten Salt in Fe-0.4mass % C Alloy",,"MATERIALS TRANSACTION",,"Vol. 62","No. 2","pp. 290-295",2021,Jan.
"Haruna Ishizuka,M. Takeyama,Youichi Watanabe","Effect of Si and Cr Additions on Surface Oxide/Nitride Layers in a Fe-0.4 wt.% C by Novel Salt-Bath Nitrocarburizing Treatment","Joint EPRI ? 123HiMAT International Conference","Proceedings of Joint EPRI ? 123HiMAT International Conference","EPRI & JSPS",,,"pp. 924-929",2019,Oct.