·134 北京科技大学学报 第33卷 (b)in Spectrum1 Fe h恤Fe 0 6789 Full Scale 14985 ets Cursor9.905 (9 cts) keV 10μm Electron Image 1 图7出LF的典型夹杂物照片(a)和能谱(b) Fig.7 SEM image a)and energy spectrum b)of typical inclusions after the LF process Spectrum4 新 Fe 0 2345678910 10μm Electron Image 1 Full Scale 27681 ets Cunsor:9.905(18 cts) keV 图8RH复压后的典型夹杂物照片(a)和能谱(b) Fig.8 SEM image (a)and energy spectrum(b)of typical inclusions after the RH vacuum process Fe Fe 1 23 45 7 89 10 9μm Electron Image I Full Scale 22709 cts Cursr-9905(18 ct) keV 图9钙处理后的典型夹杂物照片(a)和能谱(b) Fig.9 SEM image (a)and energy spectrum (b)of typical inclusions after the Ca treatment process ( Spectrum 1 0 Fe 人e 2 45 678910 Electron Image 1 Full Seale 27957 cts.905 (7 cts) 6um 图10中间包中的典型夹杂物照片(a)和能谱(b) Fig.10 SEM picture (a)and energy spectrum (b)of typical inclusions in the tundish北 京 科 技 大 学 学 报 第 33 卷 图 7 出 LF 的典型夹杂物照片( a) 和能谱( b) Fig． 7 SEM image ( a) and energy spectrum ( b) of typical inclusions after the LF process 图 8 RH 复压后的典型夹杂物照片( a) 和能谱( b) Fig． 8 SEM image ( a) and energy spectrum ( b) of typical inclusions after the RH vacuum process 图 9 钙处理后的典型夹杂物照片( a) 和能谱( b) Fig． 9 SEM image ( a) and energy spectrum ( b) of typical inclusions after the Ca treatment process 图 10 中间包中的典型夹杂物照片( a) 和能谱( b) Fig． 10 SEM picture ( a) and energy spectrum ( b) of typical inclusions in the tundish ·134·