1) M. Kimura, H. Mioh, M. Kusaka, K. Seo and A. Fuji: Observation of the Joining Phenomena in 1st Phase of Friction Welding, in contributing.
2) K. Okita, M. Aritoshi, W. Kishimoto, S. Yamada and H. Hira: Study on the Friction Welding of Different Diameter Bars (Report 1), J. JWS, 50-2 (1981), 189-195. (in Japanese)
3) A. Hasui, M. Ogawa and K. Okada: Friction Welding of Malleable Cast Iron and Carbon Steel, J. JWS, 46-5 (1977), 258-264. (in Japanese)
4) Japan Society of Mechanical Engineers: JSME Mechanical Engineers’ Handbook A6: Thermal Engineering, Maruzen (1993), A6-181. (in Japanese)
5) Japan Friction Welding Association: Friction Welding, Corona Publishing (1979), 32. (in Japanese)