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題名 | 不鏽鋼連鑄之凝殼成長與δ-Ferrite含量及分佈研究=Shell Growth and δ-Ferrite Content and Its Distribution in Austenitic Stainless Steel Slabs |
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作者 | 陸木榮; 林文豪; | 書刊名 | 鑛冶 |
卷期 | 41:4=160 1997.12[民86.12] |
頁次 | 頁100-108 |
分類號 | 472.3 |
關鍵詞 | 奧斯田纖系不鏽鋼; 連鑄; 肥粒鐵含量; Austenitic stainless steel; Continous casting; Ferrite content; |
語文 | 中文(Chinese) |
中文摘要 | The solidification process and shell growth of austenitic stainless steel during continuous casting has been studied. The thickness of breakout shell measured and the shell growth in stainless steel was compared with that in carbon steel. The δ-ferrite content of slabs was measured for various casting conditions. Except in the narrow face, the ferrite distribution in the slab has been observed to be in "M-like" shape. Computer analysis was carried out to evaluate the diffusion time available for δ→τ transformation. Steel composition has been observed to be primary controling the solidification mode and δ-ferrite content, while cooling rate affects the δ-ferrite distribution. Therefore, steel chemistry control, including Creq/Nieq and P,S elements in steelmaking, is essential for crack-sensitive stainless steels. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。