Sliding interface characteristics and self-lubrication mechanism of B4C-Al2O3 4 C-Al 2 O 3 composite ceramics

doi:10.1016/j.triboint.2024.110004

IMR OpenIR

	Sliding interface characteristics and self-lubrication mechanism of B4C-Al2O3 4 C-Al 2 O 3 composite ceramics
	Zhang, Wei 1; Zhang, Jie 1,2
通讯作者	Zhang, Wei(cnzhangwei2008@126.com)
	2024-11-01
发表期刊	TRIBOLOGY INTERNATIONAL
ISSN	0301-679X
卷号	199 页码:12
摘要	B4C 4 C ceramics are an important structural material in the field of engineering. However, B4C 4 C ceramics have two fatal drawbacks: low fracture toughness and high friction coefficient. The design strategy and tribological mechanism of B4C 4 C ceramics with low friction are studied in this paper. The results show that the incorporation of Al2O3 2 O 3 as a second phase can not only increase the fracture toughness but also reduce the friction coefficient of B4C 4 C ceramics, achieving the self-lubrication of B4C 4 C ceramics. The low friction design strategy of B4C 4 C ceramics is realized by incorporating a second phase of Al2O3 2 O 3 to change the physical characteristic of the sliding surface. The sliding interface characteristic of in situ formed surface texture with an appropriate proportion of valleys in the sliding process is the most important factor for the improved tribological properties of B4C-Al2O3 4 C-Al 2 O 3 composite ceramics. As the amount of Al2O3 2 O 3 incorporated is 30 wt%, B4C-Al2O3 4 C-Al 2 O 3 composite ceramics have the most appropriate proportion of valleys in the surface texture, thus exhibiting the lowest friction coefficient. The clean phase boundary makes the bonding between B4C 4 C and Al2O3 2 O 3 grains firm, which is the key to achieving the function of the surface texture formed in situ. B4C-Al2O3 4 C-Al 2 O 3 composite ceramics with both high fracture toughness and low friction coefficient will open a wider range of applications.
关键词	Sliding interface Friction coefficient Surface texture Self-lubrication
资助者	Natural Science Foundation of Liaoning Province of China ; Starting Grants of Institute of Metal Research, Chinese Academy of Sciences ; Shenyang National Laboratory for Materials Science
DOI	10.1016/j.triboint.2024.110004
收录类别	SCI
语种	英语
资助项目	Natural Science Foundation of Liaoning Province of China[2022-MS-013] ; Starting Grants of Institute of Metal Research, Chinese Academy of Sciences[E255L401] ; Shenyang National Laboratory for Materials Science[E21SL412]
WOS研究方向	Engineering
WOS类目	Engineering, Mechanical
WOS记录号	WOS:001279250100001
出版者	ELSEVIER SCI LTD
引用统计	被引频次：9[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/188414
专题	中国科学院金属研究所
通讯作者	Zhang, Wei
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China 2.Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Wei,Zhang, Jie. Sliding interface characteristics and self-lubrication mechanism of B4C-Al2O3 4 C-Al 2 O 3 composite ceramics[J]. TRIBOLOGY INTERNATIONAL,2024,199:12.
APA	Zhang, Wei,&Zhang, Jie.(2024).Sliding interface characteristics and self-lubrication mechanism of B4C-Al2O3 4 C-Al 2 O 3 composite ceramics.TRIBOLOGY INTERNATIONAL,199,12.
MLA	Zhang, Wei,et al."Sliding interface characteristics and self-lubrication mechanism of B4C-Al2O3 4 C-Al 2 O 3 composite ceramics".TRIBOLOGY INTERNATIONAL 199(2024):12.