For the purpose of improving the lubricant property, a new type lubricant with additive nanosize CaCO3 particles in the base oil was developed to enhance the friction performance of metals.

• 从改善润滑性能出发,研制了一种在基础油中添加纳米碳酸钙粒子,用以提高金属摩擦学性能的新型润滑剂。