摘要
对Si_3N_4陶瓷/GCr15钢副在油性剂T406与极压抗磨剂P120复配作用下的摩擦磨损性质进行了对比试验研究。采用SSX550型扫描电子显微镜观察试件的磨损表面形貌,并用能量散射谱仪进行了磨损表面的化学元素分析。结果表明,T406与P120复配对该摩擦副有较明显的减磨抗磨协同作用,最佳复配比例为1.0%T406+2.0%P120。能谱分析结果表明,T406与P120复配时,产生的协同作用主要是在GCr15钢摩擦表面形成的化学反应膜,Si3N4陶瓷/GCr15钢副的磨损形式主要为磨料磨损和化学腐蚀磨损。
The tribological properties of Si3N4 ceramic pin sliding against GCr15 steel disc under the lubrication of 500SN base oil containing compound additive T406＋P120 were investigated on a MPX - 2000 friction-wear tester in a pin-on-disc configuration. The morphologies of the worn surfaces of the disc were observed on a SSX - 550 scanning electron microscope, while elemental compositions of the worn surfaces were determined by means of energy dispersion spectroscopy, respectively. It was found that compound additive T406 ＋P120 has obvious antifriction and antiwear synergistic effect to Si3N4 ceramic against GCr15 steel. The optimal scheme of T406＋P120 is 1.0% T406＋2.0% P120. The analytical results of energy dispersion spectroscopy show that the synergistic effect of compound additive T406 ＋P120 is mainly due to the formation of chemical-reaction film on the worn surface of GCr15 steel. The worn surfaces of the GCr15 steel disc were characterized by abrasive wear and chemical corrosive wear.
出处
《农业机械学报》
EI
CAS
CSCD
北大核心
2006年第7期181-183,170,共4页
Transactions of the Chinese Society for Agricultural Machinery
