The tribological properties of di-hydroxy stearic acid as additives in castor oil were investigated using a four-ball friction and wear tester.

• 利用四球摩擦磨损试验机考察了所合成的双羟基硬脂酸在蓖麻油中的摩擦学性能,并用扫描电子显微镜观察分析了磨斑表面的形貌。