6Fu Hanguang, Xiao Qiang, Kuang Jiacai, et al. Effect of rare earth and titanium additions on the microstructures and .properties of low carbon Fe-B cast steel [J]. Materials Science and Engineering, 2007, 466A: 160-165.
8Fang L, Zhou Q D, Li Y J. Wear and material hardness in three-body abrasion [C]// American Society of Mechanical Engineers. Proc. of Int. Conf. on Wear of Materials, April 7-11, 1991, Xi'an Jiaotong University, Xi'an, Shaanxi. NewYork: ASME, c1991: 513-520.
