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45CrNi钢外毂的激光淬火
引用本文:张连凤,武明亮,徐庆元.45CrNi钢外毂的激光淬火[J].热处理,2014(2):58-60.
作者姓名:张连凤  武明亮  徐庆元
作者单位:内蒙古第一机集团有限公司四分公司,内蒙古 包头014030
摘    要:研究了45CrNi钢外毂激光淬火后的组织和性能。结果表明,激光平面扫描速度为270 mm/min,激光功率为2 kW时,淬硬层深度为1.2 mm;内孔扫描速度为350 mm/min,激光功率1.2 kW时,淬硬层深度为0.8 mm,表面硬度达到60 HRC,符合要求。

关 键 词:激光淬火  外毂  45  CrNi钢

Laser Hardening of 45CrNi Steel Outer Hub
ZHANG Lianfeng,WU Mingliang,XU Qingyuan.Laser Hardening of 45CrNi Steel Outer Hub[J].Heat Treatment,2014(2):58-60.
Authors:ZHANG Lianfeng  WU Mingliang  XU Qingyuan
Affiliation:(Four Branch of Nei Mongol First Machine Group Co., Ltd., Baotou 014030, Nei Mongol China)
Abstract:The microstructure and properties of 45CrNi steel outer hub after laser hardening were investigated .The results show that the plane of the outer hub may be hardened to a depth of 1 .2 mm when the laser scanning speed is 270 mm/min and the laser power is 2 kW,and that the inner hole of the outer hub may be hardened to a depth of 0.8 mm when the laser scanning speed is 350 mm/min and the laser power is 1.2 kW.Furthermore, the surface hardness is as high as 60 HRC, conforming with hardness requirements .
Keywords:laser hardening  outer hub  45CrNi steel
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