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Behavior of Rare Earth on Modifying Inclusion in Special Steel
Author(s): 
Pages: 612-618
Year: Issue:  5
Journal: Journal of the Chinese Rare Earth Society

Abstract: 通过加入稀土金属(Ce),研究不同稀土含量对变质夹杂物的影响.发现在洁净度较高的Al脱氧特殊钢中稀土能够使氧化铝、硫化锰夹杂变质并能形成硬度较低的铝酸稀土夹杂物.研究结果表明:当稀土含量Ce<15 ppm时,钢中没有稀土夹杂物;当15 ppm≤Ce≤140 ppm时,能够生成稀土铝氧化物和稀土硫氧化物夹杂物;当Ce>140 ppm时,夹杂物进一步转变为稀土铝氧化物和稀土氧硫化物的复合夹杂物,并有部...
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