3Masaoka T, Mizuoka S, Kobayashi H, et al. Improvement of Centerline Segregation in Continuously Cast Slab With Soft Reduction Technique [ A ]. Steelmaking Conference Proceeding [ C ]. Cilicago : Iron and Steel Society, 1989:63.
4Kyung Shik Oh, Park J K, Kwon O D, et al. Development of Soft Reduction Technology for the Bloom Caster at Pohang Works of POSCO [ A ]. Steelmaking Conference Proceedings [ C]. Nashville:Iron and Steel Society, 1995:301.
