张治国,陈德东,李卫

• 1:暨南大学材料系

摘要(Abstract)：

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。

关键词(KeyWords)： 合金钢;硅含量;组织结构;冲击磨料磨损;加工硬化

Abstract:

Keywords:

基金项目(Foundation): 广东省教育部产学研结合项目(2009B090300288);; 广东省中国科学院全面战略合作项目(2010B090300059);; 广东省科技计划重大专项项目(2011A080802003)

作者(Author): 张治国,陈德东,李卫

DOI: 10.13289/j.issn.1009-6264.2013.09.019

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