试验研究了硅含量对中碳低合金耐磨钢组织、力学性能以及耐磨性能的影响.结果表明,基体中主要组织为板条状马氏体并伴有一定量针状马氏体.随硅含量增加针状马氏体数量增多,导致硬度略有提高,而冲击韧度则在硅含量高于0.97％后不同程度降低.低冲击功下,随含硅量升高钢磨损量增加;而高冲击功下随含硅量增加钢磨损量降低.在冲击磨料磨损工况下钢表层马氏体板条束纤维化,出现了加工硬化,由于硅的固溶强化和针状马氏体增多,含硅量较高钢加工硬化效果更明显.
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