1. 1) Kubo, M., Iguchi, K. and Hiwatashi, S.:JSAE Annual Congress (Spring) - Summarized Paper Issued, (2022), 281.
2. 2) Hiwatashi, S.:J. Surf. Finish. Soc. Jpn., 73-8 (2022), 390-394.
3. 3) Hatamura, K.:Trans. Soc. Automot. Eng., 50-2 (2019), 564-569.
4. 4) Takahashi, M.:Nippon Steel Tech. Rep., 378 (2003), 2-6.
5. 5) Uenishi, A.:Nippon Steel Tech. Rep., 412 (2019), 8-13.