热处理
熱處理
열처리
HEAT TREATMENT
2014年
2期
58-60
,共3页
激光淬火%外毂%45 CrNi钢
激光淬火%外轂%45 CrNi鋼
격광쉬화%외곡%45 CrNi강
laser hardening%outer hub%45CrNi steel
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。
研究瞭45CrNi鋼外轂激光淬火後的組織和性能。結果錶明，激光平麵掃描速度為270 mm/min，激光功率為2 kW時，淬硬層深度為1．2 mm；內孔掃描速度為350 mm/min，激光功率1．2 kW時，淬硬層深度為0．8 mm，錶麵硬度達到60 HRC，符閤要求。
연구료45CrNi강외곡격광쉬화후적조직화성능。결과표명，격광평면소묘속도위270 mm/min，격광공솔위2 kW시，쉬경층심도위1．2 mm；내공소묘속도위350 mm/min，격광공솔1．2 kW시，쉬경층심도위0．8 mm，표면경도체도60 HRC，부합요구。
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 .
