纳米Fe_3O_4负载石墨烯/BMI树脂基复合材料的摩擦学性能
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摘要
采用化学共沉淀法制备出类球状Fe_3O_4负载石墨烯(GNS-npFe_3O_4)和棒状Fe_3O_4负载石墨烯(GNS-nrFe_3O_4),研究了两种形貌的GNS-Fe_3O_4杂化粒子及其与双马来酰亚胺(BMI)树脂形成的复合材料的摩擦学性能.结果表明,GNS-Fe_3O_4对于BMI树脂具有明显的减摩、抗磨效果.相比于GNS-nrFe_3O_4,GNS-npFe_3O_4在石蜡油体系中展现出更低的摩擦系数和自润滑性,而且其BMI复合材料耐磨性更高.但是,由于较大尺寸的粒子更易在摩擦过程中从基体析出,因而GNS-nrFe_3O_4/BMI相比于GNS-npFe_3O_4/BMI复合材料具有更低的摩擦系数.
This contribution presents the preparation and the tribological properties study of two kinds of nano-Fe_3O_4-coated graphene/bismaleimide(BMI) resin composites differing in morphology of Fe_3O_4 nanoparticles.The graphene nanosheets coated with spheroidal Fe_3O_4 nanoparticles(GNS-npFe_3O_4) and rod-like Fe_3O_4 nanoparticles(GNS-nrFe_3O_4) were prepared by a methodology based on chemical coprecipitation.The friction and wear tests were conducted upon both the prepared GNS-Fe_3O_4 hybrid particles and the corresponding BMI resin composites.Our experiment confirmed the excellent antifriction and antiwear effect of GNS-Fe_3O_4 for BMI resin.Compared with GNS-nrFe_3O_4, the GNS-npFe_3O_4 exhibits a lower friction coefficient and a self-lubricating characteristic within paraffin oil system,and its BMI composite is more resistant to wear.On the other hand,GNS-nrFe_3O_4/BMI composites have a lower coefficient of friction than those of GNS-npFe_3O_4/BMI composites,which can be attributed to the higher precipitation tendency of GNS-nrFe_3O_4 during the friction process for its larger particle size.
This contribution presents the preparation and the tribological properties study of two kinds of nano-Fe_3O_4-coated graphene/bismaleimide(BMI) resin composites differing in morphology of Fe_3O_4 nanoparticles.The graphene nanosheets coated with spheroidal Fe_3O_4 nanoparticles(GNS-npFe_3O_4) and rod-like Fe_3O_4 nanoparticles(GNS-nrFe_3O_4) were prepared by a methodology based on chemical coprecipitation.The friction and wear tests were conducted upon both the prepared GNS-Fe_3O_4 hybrid particles and the corresponding BMI resin composites.Our experiment confirmed the excellent antifriction and antiwear effect of GNS-Fe_3O_4 for BMI resin.Compared with GNS-nrFe_3O_4, the GNS-npFe_3O_4 exhibits a lower friction coefficient and a self-lubricating characteristic within paraffin oil system,and its BMI composite is more resistant to wear.On the other hand,GNS-nrFe_3O_4/BMI composites have a lower coefficient of friction than those of GNS-npFe_3O_4/BMI composites,which can be attributed to the higher precipitation tendency of GNS-nrFe_3O_4 during the friction process for its larger particle size.
引文
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[2] Zhuo D,Gu A,Liang G,et al.Novel high performance functionalized ladderlike polyphenylsilsesquioxane/bismaleimide hybrids with very good flame retardancy,thermal,and dimensional stability[J].Journal of Materials Science,2011,46(24):7 649-7 659.
[3] Liu C,Yan H X,Lv Q,et al.Enhanced tribological properties of aligned reduced graphene oxide-Fe3O4@polyphosphazene/bismaleimi-des composites[J].Carbon,2016,102:145-153.
[4] 李瑞培,李微微,孟立,等.超高分子量聚乙烯纤维的液相氧化改性及其环氧树脂基复合材料的力学和摩擦性能[J].材料导报,2016,30(4):41-46.
[5] Su X Q,Chan C Y,Shi J Y,et al.A graphene quantum dot@Fe3O4@SiO2 based nanoprobe for drug delivery sensing and dual-modal fluorescence and MRI imaging in cancer cells[J].Biosensors and Bioelectronics,2016,92(15):489-495.
[6] Bai Z Y,Zhou C L,Xu H B,et al.Polyoxometalates-doped Au nanoparticles and reduced graphene oxide:A new material for the detection of uric acid in urine[J].Sensors and Actuators B:Chemical,2017,243:361-371.
[7] Maham M,Nasrollahzadeh M,Sajadi S M,et al.Biosynthesis of Ag/reduced graphene oxide/Fe3O4 using lotus garcinii leaf extract and its application as a recyclable nanocatalyst for the reduction of 4-nitrophenol and organic dyes[J].Journal of Colloid and Interface Science,2017,497:33-42.
[8] Song H J,Jia X H,Li N,et al.Synthesis of α-Fe2O3 nanorod/graphene oxide composites and their tribological properties[J].Journal of Materials Chemistry,2012,22(3):895-902.
[9] Zhang Y D,Yan J S,Yu L G,et al.Effect of nano-Cu lubrication additive on the contact fatigue behavior of steel[J].Tribology Letters,37(2):203-207.
[10] 薛勇,杨保平,张斌,等.纳米碳材料摩擦学应用的最新进展和未来展望[J].材料导报,2017,31(5):1-8.
[11] Chen H M,Su C,Huang T,et al.Investigation of the relationship between morphology and tribological properties of an epoxy resin based on tetraglycidyl 4,4′-diaminodiphenylmethane modified with polyetherimide oligomers[J].Journal of Applied Polymer Science,2014,131(4):39 863-39 876.
[12] Kovtyukhova N I,Ollivier P J,Martin B R,et al.Layer-by-layer assembly of ultrathin composite films from micron-sized graphite oxide sheets and polycations[J].Chemistry of Materials,1999,11(3):771-778.
[13] Liu C,Yan H X,Chen Z Y,et al.Enhanced tribological properties of bismaleimides filled with aligned graphene nanosheets coated with Fe3O4 nanorods[J].Journal of Materials Chemistry A,2015,3(19):10 559-10 565.
[14] Ding J,Li B J,Liu Y S,et al.Fabrication of Fe3O4@reduced graphene oxide composite via novel colloid electrostatic self-assembly process for removal of contaminants from water[J].Journal of Materials Chemistry A,2015,3(2):832-839.
[15] Meng Y,Su F,Chen Y.Supercritical fluid synthesis and tribological applications of silver nanoparticle-decorated graphene in engine Oil nanofluid[J].Scientific Reports,2016,6:31 246-31 258.
[16] Yang M,Zhang Z,Yuan J,et al.Growth of Mo2C nanoparticles on graphene as lubricant filler for high tribological performances of fabric self-lubricating liner composites[J].RSC Advances,2016,6:110 070-110 076.
[17] 孙月海,张新,郑惠江.蜗杆传动用摩擦副材料在滑动干摩擦条件下的摩擦磨损性能研究[J].摩擦学学报,2005,25(3):279-282.
[18] Goncalves G,Marques P A,Granadeiro C M,et al.Surface modification of graphene nanosheets with gold nanoparticles:The role of oxygen moieties at graphene surface on gold nucleation and growth[J].Chemistry of Materials,2009,21(20):4 796-4 802.
[19] Chmielewski M,Michalczewski R,Piekoszewski W,et al.Tribological behaviour of copper-graphene composite materials[J].Key Engineering Materials,2016,674:219-224.
[20] 解挺,江凯,丁亚.填料粒径对Cu/PTFE复合材料摩擦学性能影响的数值模拟[J].摩擦学学报,2016,36(1):35-41.
[21] Tyagi R,Xiong D,Li J.Effect of load and sliding speed on friction and wear behavior of silver/h-BN containing Ni-base P/M composites[J].Wear,2011,270(7):423-430.
[22] 董凤霞,侯国梁,刘亮,等.稀土改性对碳纤维增强聚酰亚胺复合材料在不同温度下摩擦学性能的影响[J].摩擦学学报,2017,37(2):148-154.
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