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[1]刘文扬a,张建波b,邬善江a,等.Si对Ti3SiC2/Al复合材料的摩擦性能影响[J].有色金属科学与工程,2017,(05):89-94.[doi:10.13264/j.cnki.ysjskx.2017.05.013]
 LIU Wenyanga,ZHANG Jianbob,WU Shanjianga,et al.Effects of Si on friction properties of Ti3SiC2/Al composites[J].,2017,(05):89-94.[doi:10.13264/j.cnki.ysjskx.2017.05.013]
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Si对Ti3SiC2/Al复合材料的摩擦性能影响(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2017年05期
页码:
89-94
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
Effects of Si on friction properties of Ti3SiC2/Al composites
作者:
刘文扬1a张建波1b邬善江1a胡美俊1a陈婷婷1a郭丽丽2
1. 江西理工大学,a.材料科学与工程学院;b. 工程研究院, 江西 赣州 341000;2.中色奥博特铜铝业有限公司, 山东 临清 252600
Author(s):
LIU Wenyang1a ZHANG Jianbo1b WU Shanjiang1a HU Meijun1a CHEN Tingting1a GUO Lili2
1a.School of Material Science and Engineering;1b.Engineering Research Institute,Jiangxi University of Science and Technology,Ganzhou 341000, China;2.CNMC Albett Albronze Co. Ltd., Linqing 252600, China
关键词:
铝基复合材料摩擦磨损自润滑表面形貌
分类号:
TB331,TF125.2
DOI:
10.13264/j.cnki.ysjskx.2017.05.013
文献标志码:
A
摘要:
MAX相因其独特的晶体结构和优良的自润滑性能受到广泛的关注,作为新型固体润滑剂添加到金属基复合材料可获得良好的摩擦磨损性能. 采用铝粉、硅粉、Ti3SiC2粉为原材料,通过冷压成型无压烧结法制备了Ti3SiC2增强铝硅基复合材料. 研究发现,复合材料的组成物相除Al、Si及外加Ti3SiC2相之外,在烧结的过程中生成了Al2O3和Al4C3. 随着硅元素含量质量分数的增加,大的圆球形Ti3SiC2逐渐减小,摩擦系数和磨损失重均呈现先减小后增大的规律. 当硅的含量为12.5 %时,摩擦系数最低,其值为0.18,磨损失重也达最低; 随着硅含量的增加,材料的硬度先增大后趋于平缓,致密度呈线性下降趋势. 通过磨损表面SEM分析初步揭示了金属基自润滑的机理,复合材料的磨损机制为磨粒磨损、剥层磨损和氧化磨损并存.

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备注/Memo

备注/Memo:
收稿日期:2017-03-10
基金项目:国家自然科学基金(51461017,51561008);江西省科技自然科学基金(20161BAB206137)
通信作者:张建波(1981- ),男,副教授,主要从事自润滑复合材料方面的研究, E-mail:metal0302@126.com.
更新日期/Last Update: 2017-10-20