为进一步提高镁碳砖的力学性能和抗热震性，将纳米炭黑加入酚醛树脂中，研究了纳米炭黑的加入量对镁碳砖的力学性能和热震性的影响。结果表明：添加纳米炭黑能提高镁碳砖力学性能以及抗热震性，当纳米炭黑质量分数为5％（占酚醛树脂）时，镁碳砖的综合力学性能最优。
In order to further improve the physical properties of MgO-C bricks,nanoscale carbon black was added in-to phenolic resin;the effects of adding certain amount of nanometer carbon black on the mechanical properties and thermal shock resistance of MgO-C bricks were studied.The test results reveal that the mechanical properties and thermal shock resistance of MgO-C bricks were increased with the addition of nanometer carbon black.And the best complex mechanical properties of MgO-C bricks were obtained when 5% (percentage of quality in resin)nanometer carbon black was added.
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