%0 Journal Article %T Investigation of Friction and Wear Behaviors of Cu(OH)2-doped Polyelectrolyte Multilayers
掺杂Cu(OH)2纳米微粒聚电解质多层膜的摩擦磨损行为研究 %A YANG Guang-bin %A ZHAO Zhe %A WU Zhi-shen %A ZHANG Ping-yu %A
杨广彬 %A 赵喆 %A 吴志申 %A 张平余 %J 摩擦学学报 %D 2006 %I %X Molecular deposition technology was used to prepare pristine polyelectrolyte multilayers(PEMs) by sequential adsorption Poly(diallyldimethylammonium chloride)(PDDA) and poly(sodium 4-styrenesulfonate)(PSS) alternately on quartz and Si substrate.The Cu(OH)_2-doped polyelectrolyte multilayers were achieved using a series of cyclical adsorption-hydrolysis processess in which copper ions bind to the sulfonate groups of the pristine PEMs and then hydrolysis in an alkali solution.UV-vis absorption spectroscopy,atomic force microscopy and transmission electron microscopy were used to observe the structure and the morphology of before and after the in-situ synthesis copper hydroxide nanoparticles in the PEMs matrix.Tribological behaviors of the Cu(OH)_2-doped polyelectrolyte multilayers were studied on the LKDM-2000 tribology measurement apparatus,and results show that friction coefficient of the Cu(OH)_2-doped polyelectrolyte multilayers is higher and has no obvious change with increase of normal load compared with pristine PEMs.Cu(OH)_2-doped polyelectrolyte multilayers exhibit higher durability,because the inorganic nanoparticles in the PEMs enhanced load-carrying capacity.The main wear mechanism is adhesive wear,and Cu(OH)_2 nanoparticles in the PEMs mitigated plastic deformation and slowed down adhesive wear owing to their existence. %K Cu(OH)2
聚电解质多层膜 %K 纳米微粒 %K 摩擦磨损行为 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=2F467A5C6371C830162AAA01D7DAD07A&aid=5C54C8667EA614ED&yid=37904DC365DD7266&vid=96C778EE049EE47D&iid=E158A972A605785F&sid=B1E36BF7B9783A85&eid=407C905D8F0449C4&journal_id=1004-0595&journal_name=摩擦学学报&referenced_num=5&reference_num=16