sphc钢铸坯夹杂物分布及组成分析.pdf

第1’坛¨t20II尔)衙会J主I越f’饪。≯欠iZ沦乏玑 SPHC钢铸坯夹杂物分布及组成分析6 杨I|J’l_,温良焚’,彭政’,舒遗‘,圳远o#!.伞斌? (1.·R】夫人。Z利料科学’j I:氍学院,,R从1000t1;{,:·,1ttIl(Of所,E『天101221) 摘要:sIlI|(:钏槭J:低碳低石曩钢种,采川留:,J缸,li的^ln必尔埘铡的危j蚌很人,采川钙处理义会,_生新的夹杂类型。本硼f究通过金棚观察、t--{描l也镜、IU r探钳’雨|今氧分析等研究方法,分析SPIIC钢铸坯的1卜金属夹杂物的形貌以及化学组成。:/fiI司位置夹杂物的数毯羽Iijfii J:统计,分析了铸坯中夹杂物的分布情况,主要夹杂物为^l∞:,夹杂和‘。些钙粥酸盐复合夹杂。关键词:SPIIC钢;铸坯:夹杂物中国分类号: 文献标识码: Analysis on Distribution position ofthe Inclusions SPHC SteeISlab Yang Zhong-pin91,Wen Liang-ying。,Pang Zhen91, ‘,Zhou Yuan-huaz,Li Bin2 ( ofMaterials Science and Engineering,Chongqing University,Chongqing 400044,China:2.,Iron and steel research Institute-Chongqing iron&Steel Co.“吐Chongqing 401221,China) Abstract:SPHC steelbelongs lOW and taskofdeoxidation undertaken by ,O{inclusions which generated by theprocess ofdeoxidation 8rc harmful thesteel,but ncwinclusions玳 generated atterbeing thiswork,the morphologies ofll011·metallic inclusions theslabwe'restudied using themetailographic observation,electron probe ,al-al percentage anddistribution ofinclusiOIlS fordifferent positions ofSPHC steeIslabWCI'einvastigatecL 1rt圮main nonmetallic inclusions SPHC steelslaba他alumina and§啪nc ofcaicium plex inclusions. Key words:SPHC steel;slab;nonmetallic inclusions 1刖舌随着对纯净钢的需求的增大,钢中夹杂