张炜,吴劲锋,黄晓鹏,王芳

• 1:甘肃农业大学工学院

摘要(Abstract)：

在磨料磨损试验机上,以农业纤维物料为磨料对不同热处理工艺下的9SiCr钢试样进行磨料磨损试验,通过测定硬度和冲击韧度观察显微组织和磨损表面的形貌,分析了农业纤维物料对9SiCr钢的磨损行为的影响。结果表明,软磨料磨损中伴有硬磨料磨损的特征;9SiCr钢的磨料磨损以显微切削机制为主导,疲劳磨损机制引起的剥落现象并不明显;在软磨料磨损中,足够高的材料硬度是9SiCr钢能够有效抵抗磨料磨损的首要前提,但硬度与耐磨性并不呈函数关系,当硬度升到适当高度时,提高韧度达到硬度和韧度的合理配合可以提高耐磨性。

关键词(KeyWords)： 农业纤维物料;9SiCr钢;热处理;磨料磨损

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51065001)

作者(Author): 张炜,吴劲锋,黄晓鹏,王芳

DOI: 10.13289/j.issn.1009-6264.2010.10.025

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