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2024 09 v.45 55-64
石墨/Cr_3C_2增强镍基复合材料的力学性能及摩擦学特性
基金项目(Foundation): 深圳市科技计划资助(KQTD20200820145821091); 国家自然科学基金(U20B2025)
邮箱(Email): pengxiangyang@cgnpc.com.cn;
DOI: 10.13289/j.issn.1009-6264.2024-0189
中文作者单位:

中广核研究院有限公司设备研究所;

摘要(Abstract):

采用热压烧结工艺制备了不同Cr_3C_2含量的石墨/Cr_3C_2共增强镍基复合材料,探究了不同Cr_3C_2含量的复合材料的微观结构、力学性能和摩擦性能。结果表明:热压烧结制备的镍基复合材料致密无孔隙,Cr_3C_2和石墨均匀分布于基体内部,异质界面结合良好。随着Cr_3C_2含量的增加,复合材料的割裂程度增加,硬度增加,但强度降低,断裂机制为脆性断裂。摩擦过程中,石墨具有良好的润滑作用,但Cr_3C_2造成磨粒磨损,且随着Cr_3C_2含量的升高,复合材料的摩擦系数和磨损率显著升高。

关键词(KeyWords): 镍基复合材料;微观结构;力学性能;摩擦学特性
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基本信息:

DOI:10.13289/j.issn.1009-6264.2024-0189

中图分类号:TB333

引用信息:

[1]卢朝晖,彭祥阳,钟金童等.石墨/Cr_3C_2增强镍基复合材料的力学性能及摩擦学特性[J].材料热处理学报,2024,45(09):55-64.DOI:10.13289/j.issn.1009-6264.2024-0189.

基金信息:

深圳市科技计划资助(KQTD20200820145821091); 国家自然科学基金(U20B2025)

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