Wettability between molten slag and dolomitic refractory

Wettability between molten slag and dolomitic refractory
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熔渣与白云质耐火材料之间的润湿性

DOI:
10.1016/j.ceramint.2016.07.113
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发表时间:
2016-11
影响因子:
5.2
通讯作者:
Wang Qiangqiang
Wang Qiangqiang
中科院分区:
材料科学1区
文献类型:
--
作者:
Shen Ping;Zhang Lifeng;Wang Yi;Sridhar Seetharaman;Wang Qiangqiang

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本文研究了钢包精炼过程中熔渣与钢包中的铁系耐火材料之间的润湿性。随着温度的升高,熔渣与刚玉质基体的接触角减小。碱度较低的炉渣更容易在基体上铺展,并渗透到基体中更深。随着保温时间的延长,熔渣在耐火材料中的渗透深度增加。耐火材料中的CaO溶解成炉渣,然后炉渣被CaO饱和。炉渣与基体反应生成了Ca3SiO5固体,减缓了炉渣向耐火材料中的进一步渗透。
In the current study, the wettability between molten slag and dolomitic refractory materials used in the ladle during steel refining was investigated. The contact angle between molten slag and dolomitic substrate decreased with increasing temperature. The slag with lower basicity spread on the substrate more easily and penetrated deeper into the substrate. The penetration depth of slag into the refractory increased with the extension of holding time. The CaO in the refractory dissolved into slag which was then saturated with CaO. The reaction between slag and substrate resulted in the formation of solid Ca3SiO5, which slowed down the further penetration of slag into the refractory.
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