Abstract: Fe-C-B alloy, with excellent wear resistance and cost-effectiveness, has the potential to become the new generation of wear-resistant materials, whose broad application is limited due to its relatively low toughness caused by meshed boride. The progress of research on Fe-C-B alloy toughening mechanism is reviewed, including adjustment to boron content, heat treatment under high temperature, alloying and modification. It can be suggested that alloys with boron content ranging in 2.0%—4.0% has good performance, as the hardness reaches 60HRC and the impact toughness is about 6 J/cm2. High temperature heat treatment at 1 000—1 050 ℃ is favorable for alloy toughening. Also, toughness can be improved to a certain extent through alloying or modification. In-depth studies on the toughening mechanism of Fe-C-B alloy are necessary for further improvement of toughness by combining various toughening methods.
牟楠, 卢静, 周海铭, 闵小兵, 罗丰华. 铸造Fe-C-B耐磨合金增韧研究与进展*[J]. 《材料导报》期刊社, 2017, 31(15): 68-74.
MU Nan, LU Jing, ZHOU Haiming, MIN Xiaobing, LUO Fenghua. Research and Development of the Toughening of Cast Fe-C-B Wear-resistant Alloys. Materials Reports, 2017, 31(15): 68-74.
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