Experimental Study on Tribological Properties of Polymer-based Composite Nano-additives Suitable for Armored Vehicle Engine Lubricating OilBingli Fan, Zhengjie Li, Annan Sun, Yiwei Guo, Xiaowen Qi and Changxin LiuMATEC Web Conf., 358 (2022) 01009DOI: https://doi.org/10.1051/matecconf/202235801009