·714 北京科技大学学报 第33卷 8]Zhou H,Chen F,Yang Y G,et al.Study on the property of 45 Surf Eng,2010.doi:10.1179/026708410X12786785573193. steel by low temperature multielements penetrating.J Beijing In- In press stitute Petro-Chemical Technol,2007,15 (4):1 [12]Murakami Y,Endo M.Effects of defects,inclusions and inho- (周海，陈飞，杨英歌，等.45钢表面低温气体多元共渗研 mogeneities on fatigue strength.Int J Fatigue,1994,16:163 究.北京石油化工学院学报.2007,15(4)：1) [13]Lu L T,Zhang J W,Zhang Y B,et al.Rotary bending fatigue 9]Shiozawa K,Lu L,Ishihara S.S-V curve characteristics and sub- property of 1750 axle steel in gigacycle regime.China Rail surface crack initiation behaviour in ultra-ong life fatigue of a high Soe,2009,31(5):37 carbon-chromium bearing steel.Fatigue Fract Eng Mater Struct, (鲁连涛，张继旺，张艳斌，等.L☑50车轴钢超长寿命旋转弯 2001,24:781 曲疲劳性能.铁道学报，2009,31(5)：37) [10]Sakai T,Sato Y,Oguma N.Characteristic SV properties of [14]Lu L T,Shiozawa K,Morii Y,et al.Fatigue fracture process of high-carbon-chromium-bearing steel under axial loading in long- a high carbon chromium bearing steel in ultra long life regime. life fatigue.Fatigue Fract Eng Mater Struct,2002,25:765 Acta Metall Sin,2005,41(10):1066 [11]Zhang J W.Lu LT,Cui G D,et al.Effeet of gas oxynitrocar- (鲁连涛，盐泽和章，西野精一，等.高碳铬轴承钢超长寿命 burizing on the properties of medium carbon railway axle steel. 疲劳破坏过程的研究.金属学报，2005,41(10)：1066)北 京 科 技 大 学 学 报 第 33 卷 ［8］ Zhou H，Chen F，Yang Y G，et al． Study on the property of 45 steel by low temperature multi-elements penetrating． J Beijing In￾stitute Petro-Chemical Technol，2007，15( 4) : 1 ( 周海，陈飞，杨英歌，等． 45 钢表面低温气体多元共渗研 究． 北京石油化工学院学报． 2007，15( 4) : 1) ［9］ Shiozawa K，Lu L，Ishihara S． S-N curve characteristics and sub￾surface crack initiation behaviour in ultra-long life fatigue of a high carbon-chromium bearing steel． Fatigue Fract Eng Mater Struct， 2001，24: 781 ［10］ Sakai T，Sato Y，Oguma N． Characteristic S-N properties of high-carbon-chromium-bearing steel under axial loading in long￾life fatigue． Fatigue Fract Eng Mater Struct，2002，25: 765 ［11］ Zhang J W，Lu L T，Cui G D，et al． Effect of gas oxynitrocar￾burizing on the properties of medium carbon railway axle steel． Surf Eng，2010． doi: 10． 1179 /026708410X12786785573193． In press ［12］ Murakami Y，Endo M． Effects of defects，inclusions and inho￾mogeneities on fatigue strength． Int J Fatigue，1994，16: 163 ［13］ Lu L T，Zhang J W，Zhang Y B，et al． Rotary bending fatigue property of LZ50 axle steel in gigacycle regime． J China Railw Soc，2009，31( 5) : 37 ( 鲁连涛，张继旺，张艳斌，等． LZ50 车轴钢超长寿命旋转弯 曲疲劳性能． 铁道学报，2009，31( 5) : 37) ［14］ Lu L T，Shiozawa K，Morii Y，et al． Fatigue fracture process of a high carbon chromium bearing steel in ultra long life regime． Acta Metall Sin，2005，41( 10) : 1066 ( 鲁连涛，盐泽和章，西野精一，等． 高碳铬轴承钢超长寿命 疲劳破坏过程的研究． 金属学报，2005，41( 10) : 1066) ·714·