水基纳米WS2等温模锻润滑剂的制备与应用  

Preparation of water-based nano-WS_2 isothermal forging lubricant and its application

作　　者：石琛[1,2,3] 毛大恒[2,3] 杨续跃[1] 

机构地区：[1]中南大学材料科学与工程学院,湖南长沙410083 [2]中南大学高性能复杂制造国家重点实验室,湖南长沙410083 [3]中南大学机电工程学院,湖南长沙410083

出　　处：《中南大学学报（自然科学版）》2015年第4期1253-1259,共7页Journal of Central South University:Science and Technology

基　　金：国家自然科学基金资助项目(51205416);教育部博士点专项基金资助项目(20110162120086);中南大学博士后基金资助项目(2011)~~

摘　　要：为了制备出适于等温模锻的水基纳米WS2润滑剂,从润湿性、稳定性和润滑性能方面进行系列组分配比实验,并将制备的水基纳米WS2润滑剂应用于7085铝合金的等温模锻试验。研究结果表明:水基纳米WS2润滑剂各组分的最佳质量分数为8.0%PAO6+2.0%复合表面活性剂+9.0%纳米WS2+81.0%水,其中复合表面活性剂为Span-80,Tween-80和OP-10按43:43:14的质量比复配而成;在等温模锻试验中,水基纳米WS2润滑剂在高温模具表面成膜致密,颗粒分布均匀,模锻时所需锻压力较低,脱模时所需脱模力较低,且无黏模、飞边和裂纹现象,综合应用效果优于水基石墨润滑剂和油基石墨润滑剂。In order to prepare water-based nano-WS2 lubricant for isothermal forging, a series of experiments on wettability, stability and lubricating property were done to determine the optimum parametric mixed batch, and then the water-based nano-WS2 lubricant prepared was applied to isothermal forging of 7085 aluminium alloy. The results show that the optimum mass fraction of water-based nano-WS2 lubricant is PAO6 8.0%, compound surfactants 2.0%,nano-WS2 9.0% and water 81.0%, thereinto the mass ratio of compound surfactant is 43：43：14. During the isothermal forging experiment, water-based nano-WS2 lubricant forms film on the surface of hot mould, where the nano-particles are distributed evenly, and that can reduce the forging pressure and demoulding force, eliminate the phenomena of mold sticking, fins and cracks. The comprehensive application effect of water-based nano-WS2 lubricant is better than that of water-based graphitic lubricant or oil-based graphitic lubricant.

关 键 词：WS2 纳米 等温模锻 制备 

分 类 号：TG356.16[金属学及工艺—金属压力加工]