Abstract��Based on the fracture of loco axle made by 40Cr steel , the macro / micro fracture feature and microstructure of the axle have been investigated; the fracture mode and nature reason to the axle also have been discussed. It is regarded that the fracture mode of the axle belonged to rotating-bending fatigue which originated from R8.Not having been quenched, the wearing band and micro-crack existing in the surface of R8,caused rotating-bending fatigue fracture of the axle.
���� Ҧ�к� ������ ����ǿ. ���س�����ƣ�Ͷ��ѷ���[J]. �й������ڿ���, 2009, 27(5): 54-54.
WU Li-Xin . Analysis on Fatigue Fracture of Loco Axle. Chinese Journal of Iron and Steel, 2009, 27(5): 54-54.
2009, Vol. 27 
