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Tribological properties of Al/PI composites sliding with Ti-6Al-4V alloy
Liu,Ruoyu1,2; Huang,Chuanbing1; Du,Lingzhong1; Lan,Hao1; Fang,Shige1; Zhang,Weigang1,2
2019-08-09
Source PublicationMaterials Research Express
ISSN2053-1591
Volume6Issue:10
AbstractAbstract Aluminium/polyimide (Al/PI) powders were prepared via in situ. Al/PI composites were fabricated by hot pressing technology at 723 K for 30 min under Ar. The microstructure, thermal stability and tribological properties of Al/PI composites were investigated. SEM images showed that Al particles were wrapped in the composite with no gap. According to the TG analysis, 15Al/PI composite showed excellent thermal stability up to 773 K. Meanwhile, 15Al/PI composites exhibited excellent tribological behaviour at high temperature, especially at 773 K. The friction coefficient of 15Al/PI composite at 773 K was about 0.28 which was lower than that of pure PI (about 0.41). The wear rate of 15Al/PI composite at 773 K was about 65?×?10?5 mm3 Nm?1. The tribological properties of Al/PI composites was improved at high temperature. In the process of sliding tests, Al particles were transferred to the Ti-6Al-4V alloy’s surface and PI particles were pressed on the composite’s surface. The transfer of Al can protect Ti-6Al-4V alloy from wear and reduce the friction coefficient during the sliding test.
KeywordAl/PI composites in situ thermal stability tribology transfer wear mechanism
DOI10.1088/2053-1591/ab3717
Language英语
WOS IDIOP:2053-1591-6-10-ab3717
PublisherIOP Publishing
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30304
Collection中国科学院过程工程研究所
Affiliation1.State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
2.School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
Recommended Citation
GB/T 7714
Liu,Ruoyu,Huang,Chuanbing,Du,Lingzhong,et al. Tribological properties of Al/PI composites sliding with Ti-6Al-4V alloy[J]. Materials Research Express,2019,6(10).
APA Liu,Ruoyu,Huang,Chuanbing,Du,Lingzhong,Lan,Hao,Fang,Shige,&Zhang,Weigang.(2019).Tribological properties of Al/PI composites sliding with Ti-6Al-4V alloy.Materials Research Express,6(10).
MLA Liu,Ruoyu,et al."Tribological properties of Al/PI composites sliding with Ti-6Al-4V alloy".Materials Research Express 6.10(2019).
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