Preparation and tribological properties of TiH2/Fe-based oil-containing materials with interconnected pore structures

被引：5
|
作者：
Li, Rongrong [1 ]
Yin, Yanguo [1 ,2 ]
Xu, Ming [1 ]
Li, Congmin [1 ]
Liu, Cong [1 ]
Song, Ruhong [1 ]
Chen, Qi [1 ]
机构：
[1] Hefei Univ Technol, Inst Tribol, Hefei 230009, Peoples R China
[2] Anhui Powder Met Engn Technol Res Ctr, Hefei 230009, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2022年 / 174卷
基金：
中国国家自然科学基金;
关键词：
Ball mill duration; TiH2; Iron-based oil-containing material; Friction and wear; SINTERING TEMPERATURE; WEAR BEHAVIOR; SLIDING WEAR; POWDER; FRICTION; COMPOSITE; TIH2; PARAMETERS; PARTICLES; LUBRICANT;
D O I：
10.1016/j.triboint.2022.107750
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
To build an interconnected system of pores for oil storage, a ball milling (BM) strategy that disperses TiH2 homogeneously within iron-based composites was developed. TiH2/Fe powders were pressed and sintered after ball milling at 250 r/min. Special consideration was given to the effects of the BM duration on the microstructural and tribological properties of the materials. Tribological behavior was evaluated using the rotatory sliding and incremental loading tests. Specimens were characterized before and after testing via optical microscopy and scanning electron microscopy. The results showed that the materials produced via BM offer remarkable lubrication properties. An interconnected pore structure seems to be conducive to the formation of a lubricating oil film that effectively improves friction and wear resistance.
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页数：12
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