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Influences of Black Carbon Addition on Mechanical Performance of Low-Carbon MgO-C Composite

LI Lin , TANG Guangsheng , HE Zhiyong , et al

钢铁研究学报(英文版)

Carbon black-phenolic resin composite binders with various amounts of nanometer carbon black were prepared through adding KH-550 coupling agent and high-speed mixer. The effects of nanometer carbon black amount added on viscosity of the composite binders were studied. Low carbon MgO-C specimens were fabricated with these composite binders. Effects of nanoscale carbon black contents (0, 2.5%, 5%, 10%, and 15% of phenolic resin in mass) on mechanical properties of low carbon MgO-C specimens were investigated. The results revealed that the viscosity of the composite binder increased rapidly with increase of nanometer carbon black content. Moreover, it indicated that CMOR, HMOR and CCS of the specimens rose gradually with increase of nanometer carbon black content as well.

关键词: Black carbon;performancr;Mgo-C composite