选择性激光烧结GB/GF/PA1212的力学与摩擦学性能

doi:10.19976/j.cnki.43-1448/TF.2022032

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Abstract GB/GF/PA1212 composites were prepared by selective laser sintering (SLS) using of a mechanically blended mixture of polyamide (PA) 1212, glass fiber (GF) and glass beads (GB), where the GB and GF were acting as reinforcements. The tensile and tribological properties of SLS sintered parts were tested by a universal mechanical testing machine and a friction and wear tester to explore the influence of GB content on the properties of the composites, respectively. The results show that the presence of GB fillers at an appropriate proportion can improve the tensile properties and wear resistance of the composites. Especially, it can significantly improve the wear resistance. When the mass fraction of GB and GF is 40% and 10% respectively, the friction coefficient and wear rate of the composite are the lowest, which are 0.23 and 1.1×10^-3mm³/(N∙m) respectively.

Key words： glass bead PA1212 selective laser sintering tensile property friction and wear behavior

Received: 24 March 2022 Published: 27 January 2023

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	WU Ting
	WU Hong
	WEN Jiebin

Cite this article:

WU Ting,WU Hong,WEN Jiebin. Mechanical and tribological properties of GB/GF/PA1212 fabricated by selective laser sintering[J]. Materials Science and Engineering of Powder Metallurgy, 2022, 27(6): 569-578.

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http://pmbjb.csu.edu.cn/EN/10.19976/j.cnki.43-1448/TF.2022032 OR http://pmbjb.csu.edu.cn/EN/Y2022/V27/I6/569

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