Microstructure and wear properties of selective laser melting 316L

被引：60
作者：
Huang, Yubao [1 ]
Yang, Shanglei [1 ,2 ]
Gu, Jiaxing [1 ]
Xiong, Qi [1 ]
Duan, Chenfeng [1 ]
Meng, Xuan [1 ]
Fang, Yu [1 ]
机构：
[1] Shanghai Univ Engn Sci, Sch Mat Engn, Shanghai 201620, Peoples R China
[2] Shanghai Collaborat Innovat Ctr Laser Adv Mfg Tec, Shanghai 201620, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2020年 / 254卷
基金：
中国国家自然科学基金;
关键词：
SLM; 316L; Microstructure; Wear behavior; STAINLESS-STEEL; 316L; MECHANICAL-PROPERTIES; HEAT-TREATMENT; BEHAVIOR; ORIENTATION;
D O I：
10.1016/j.matchemphys.2020.123487
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Selective laser melting (SLM) is a promising additive manufacturing technology. In this paper, the printing system is composed of a control system and a printer. Modeled on the control system, the laser was used to print the powder layer by layer, and 316L stainless steel was successfully prepared. At room temperature and a constant frequency of 5HZ, the effects of different forming surfaces (XOY, XOZ, YOZ) and different loads (2 N, 5 N, 10 N) on the wear behavior of SLM 316L and rolled 316L were studied. The wear properties of SLM 316L and rolled 316L were compared. From the perspective of microstructure, the relationship between structure and wear performance was studied. The results show that due to the typical microstructure of SLM 316L, the wear performance of SLM 316L is better than that of rolled 316L. In addition, the load has little effect on the coefficient of friction, while the wear rate increases with the increase of load. When the load is small, abrasive wear mainly occurs. With the increase of load, adhesive wear and oxidation wear occur.
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页数：8
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