进给速度对冷辗扩GCr15轴承套圈硬度的影响
苏勇1, 刘灿1, 张宏伟2, 于兴福3(
), 郝天赐4
), 郝天赐4
Effect of Deformation Rate on Microstructure and Hardness of Cold-rolled GCr15 Steel Bearing Ring
SU Yong1, LIU Can1, ZHANG Hongwei2, YU Xingfu3(), HAO Tianci4
), HAO Tianci4
图8. GCr15轴承套圈冷辗扩前后不同位置的显微组织
Fig.8. Microstructure at various positions of GCr15 bearing ring before and after cold rolling expansion (a) before cold rolling expansion; (b) core region between points 2 and 5 shown in Fig.4; (c~h) points 1, 2, 3, 4, 5 and 6 shown in Fig.4
