1. 1) A. Szumura, Y. J. Xing etc., Preprints of the national meeting of J. W. S. No. 52 spring 1993, pp166-167. (in Japanese)
2. 2) A. Suzunura, Y. J. Xing, Preprints of the national meeting of J. W. S. No. 55, Autumn 1994, pp282-283. (in Japanese)
3. 3) A. A. McFayden, R. R. Kapoor and T. W. Eagar, Welding Journal, 11, 1990, pp399s-407s
4. 4) T. Enjo, K. Ikeuchi, Y. Murakami, and N. Suzuki, Trans. JWRI, v. 16, 2, 1987, pp285-292.
5. 5) Z. Li, Y. Zhou and T. H. North, Proceedings of Seminar on joining of advanced materials, 13-14 July, 1993, Kobe, Japan, pp74-83.