Affiliation: | aTechnical Development Bureau, Nippon Steel Corp. (now Japan Technical Information Services Corporation), 20-1 Shintomi, Futtsu, Chiba 293-8511, Japan;bKimitsu R&D Lab., Nippon Steel Corp., 1 Kimitsu, Kimitsu, Chiba 299-1141, Japan;cAdvanced Technology Research Labs., Nippon Steel Corp., 20-1 Shintomi, Futtsu, Chiba 293-8511, Japan |