NbSe2纳米颗粒的合成及减摩性能
Synthesis and Antifriction Performance of NbSe2 Nanoparticles
摘 要
将硒粉和铌粉按一定比例混合后, 压成片状密封于石英管中于850 ℃焙烧, 再粉碎球磨后得到NbSe2纳米颗粒; 采用X射线衍射仪、透射电子显微镜和扫描电子显微镜等对所得产物进行了表征, 采用摩擦磨损试验机测定了NbSe2纳米颗粒作为添加剂加入到N40润滑油后的摩擦学性能, 并与NbSe2纳米纤维进行了对比。结果表明: 制备的NbSe2纳米颗粒直径在150～300 nm之间, 具有明显的层状结构和良好的结晶性; 添加纳米颗粒的基础油具有优良的减摩性能, 同纳米纤维相比, 纳米颗粒的减摩性能更好。
纳米纤维
纳米颗粒
减摩性能
NbSe2
nanofiber
nanoparticle
antifriction performance
Abstract
The mixed powders of Nb and Se according to a certain proportion were pressed into pellets, which were sealed into a quartz tube and sintered at 850 ℃. Then NbSe2 nanoparticles were obtained after milled and crushed the sintered body. The products were characterized by means of XRD, TEM and SEM. The tribological properties were tested by friction and wear machine for N40 lubricating oil with NbSe2 nanoparticles as additive, and compared with those of nanofibers. The results show that the NbSe2 nanoparticles with diameter of 150-300 nm had obvious lamellar structure and good crystalline. The base oil with nanoparticles had good antifriction performance. Compared with the nanofibers, nanoparticles had better antifriction performance.
中图分类号 TH117.1
所属栏目
基金项目 国家自然科学基金资助项目(50471051); 科技部“863”计划项目(2007AA032300)
收稿日期 2010/7/22
修改稿日期 2011/4/9
网络出版日期
作者单位点击查看
备注李长生(1957-), 男, 吉林长春人, 博士生导师, 教授。
引用该论文: LI Chang-sheng,ZHANG Wei,LIU Yan-qing,YU Yun-ming. Synthesis and Antifriction Performance of NbSe2 Nanoparticles[J]. Materials for mechancial engineering, 2011, 35(9): 48～51
李长生,张伟,刘艳清,余运明. NbSe2纳米颗粒的合成及减摩性能[J]. 机械工程材料, 2011, 35(9): 48～51
被引情况:
【1】李娇,孙义明,彭少贤,程燕, "MPU/UHMWPE共混体系的摩擦学性能及拉伸性能",机械工程材料 39, 35-38(2015)
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参考文献
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【4】TARASOV S, KOLUBAEV A, BELYAEV S, et al. Study of friction reduction by nanocopper additives to motor-oil[J]. Wear,2002,252:63-69.
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【7】CHEN J, TAO Z L, LI S L, et al. Synthesis of TiSe2 nanotubes/nanowires[J]. Adv Mater,2003,15(16):1379-1382.
【8】PERUMAL S, ERIC C, GREYSON J, et al.Synthesis of nano-scale NbSe2 materials from molecular precursors[J]. J Am Chem Soc,2005,127:2054-2055.
【9】李长生,郝茂德,刘艳清, 等.NbSe2 纤维的制备及其摩擦学行为[J].复合材料学报, 2008,25(6):181-185.
【10】徐滨士.纳米表面工程[M].北京:化学工业出版社,2004.
【11】RAPOPORT L, LESHCHINSKY V, LAPSKER I, et al.Tribological properties of WS2 nanoparticles under mixed lubrication[J]. Wear,2003,255:785-793.
【12】GOLAN Y, DRUMMOND C, ISRAELACHVILI J, et al.In situ imaging of shearing contacts in the surface forces apparatus[J]. Wear,2000,245:190-195.
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【14】岳美娥,周惠娣.纳米微粒在摩擦学中的应用研究[J]. 润滑与密封,2003,2:85-87.
【15】李小红,李庆华,张治军, 等.一种可反应性纳米SiO2 的制备和表征及其摩擦磨损性能研究[J].摩擦学学报,2005,25(6):501-505.
【16】方建华,陈波水,张斌,等.纳米润滑添加剂的抗磨减磨机理[J].合成润滑材料,2001(2):16-17.
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