Carbon nanotube(CNT)-reinforced 6061Al(CNT/6061Al)composites with directionally aligned CNT were fabricated,and their wear behavior was investigated.The results indicate that the wear properties of CNT/6061Al composit...Carbon nanotube(CNT)-reinforced 6061Al(CNT/6061Al)composites with directionally aligned CNT were fabricated,and their wear behavior was investigated.The results indicate that the wear properties of CNT/6061Al composites exhibited a significant anisotropy.A certain CNT concentrations(1 wt%and 2 wt%)could effectively improve the wear resistance of CNT/6061Al composites along the CNT circumferential and CNT radial directions for the load transfer,grain refinement and self-lubrication effect of CNT.The Brass{011}<211>and{112}<110>textures inhibited the load transfer effect of CNT along the CNT radial direction,resulting in a better wear resistance along CNT circumferential direction than CNT radial direction.Along the CNT axial direction,the weak deformability of composites caused by the intensifying<111>fiber texture was the main reasons for the poor wear resistance of CNT/6061Al composites with increasing CNT concentration.展开更多
基金supported by the National Key R&D Program of China(No.2021YFA1600704)the National Natural Science Foundation of China(Nos.52120105001,51931009,52192594,52192595,51871215,51871214)+4 种基金the Liao Ning Revitalization Talents Program(No.XLYC1902058)the Shenyang Young and Middle-Aged Scientific and Technological Innovation Talents Support Plan(No.RC210490)the Youth Innovation Promotion Association CAS(No.2020197)the IMR Innovation Fund(No.2022-PY03)the Natural Science Foundation of Liaoning Province(Nos.2022-YQ-01 and 2021-BS-002).
文摘Carbon nanotube(CNT)-reinforced 6061Al(CNT/6061Al)composites with directionally aligned CNT were fabricated,and their wear behavior was investigated.The results indicate that the wear properties of CNT/6061Al composites exhibited a significant anisotropy.A certain CNT concentrations(1 wt%and 2 wt%)could effectively improve the wear resistance of CNT/6061Al composites along the CNT circumferential and CNT radial directions for the load transfer,grain refinement and self-lubrication effect of CNT.The Brass{011}<211>and{112}<110>textures inhibited the load transfer effect of CNT along the CNT radial direction,resulting in a better wear resistance along CNT circumferential direction than CNT radial direction.Along the CNT axial direction,the weak deformability of composites caused by the intensifying<111>fiber texture was the main reasons for the poor wear resistance of CNT/6061Al composites with increasing CNT concentration.
