%0 Journal Article %T Structure and High Temperature Friction and Wear Behavior of Carbonaceous Mesophases Doped with Metallic Element Nickel (Ni) through Mechanical Alloying
机械合金化法掺杂镍的碳质中间相结构及其高温摩擦磨损特性研究 %A ZHANG Rui-jun %A CUI Xiao-hao %A
张瑞军 %A 崔小浩 %J 摩擦学学报 %D 2006 %I %X Incorporation of metallic element Ni into the coal tar pitch-derived carbonaceous mesophase(CM) was performed through mechanical alloying in a high energy ball mill apparatus.The structures for the raw,as-milled and Ni-doped carbonaceous mesophases were characterized by X-ray diffraction and Laser-Raman spectroscopic techniques,and the friction and wear behavior for the CMs were investigated using a SRV high temperature friction and wear tester.Results show that,the Ni-doped CM through mechanical alloying shows a drop in the crystallinity and a decrease in the size of graphite planar micro-crystals,implying a transition to the amorphous structures caused by the mechanical alloying.In addition,the CMs displayed a high temperature anti-friction and wear resistant effect,and,compared with the CMs without mechanical alloying,the Ni-doped CM through mechanical alloying can provide more evident and longer time-lasting high temperature anti-friction and wear resistant effect.Raman spectroscopic examination of the worn 45~# steel surfaces indicated a variation in the microcrystalline planar size(La) for the CMs generated by tribo-induction,and the chemical identification by XPS of the worn 45~# steel surfaces confirmed the chemical reaction between the Ni element and the tribo-surfaces.Therefore,it can be assumed that there probably exists some correlation between the variation in the microcrystalline planar size(La) for the CMs generated by tribo-induction and its high temperature anti-friction and wear resistant effect. %K carbonaceous mesophase %K mechanical alloying %K metallic element Ni %K crystalline structure %K high temperature anti-friction and wear resistant effect
碳质中间相 %K 机械合金化 %K 元素镍 %K 晶体结构 %K 高温减摩抗磨效应 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=2F467A5C6371C830162AAA01D7DAD07A&aid=ED570DDEB0CD41E5&yid=37904DC365DD7266&vid=96C778EE049EE47D&iid=E158A972A605785F&sid=6C069F4B248105A5&eid=B66C5792F4740920&journal_id=1004-0595&journal_name=摩擦学学报&referenced_num=1&reference_num=11