Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology
Bearings，regarded as the “heart” of aircraft engines，operate under extreme conditions involving high temperatures，high pressures，and high speeds，with fatigue being their primary failure mode.To enhance the performance of aerospace bearings and consequently improve the reliability and service life of...
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Editorial Department of Materials Protection
2025-07-01
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| Series: | Cailiao Baohu |
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| Online Access: | http://www.mat-pro.com/fileup/1001-1560/PDF/20250702.pdf |
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| author | ZHANG Hao, PAN Yongzhi, YANG Yanzhao, ZHUANG Qikai, LIANG Hao, MEN Xiuhua |
| author_facet | ZHANG Hao, PAN Yongzhi, YANG Yanzhao, ZHUANG Qikai, LIANG Hao, MEN Xiuhua |
| author_sort | ZHANG Hao, PAN Yongzhi, YANG Yanzhao, ZHUANG Qikai, LIANG Hao, MEN Xiuhua |
| collection | DOAJ |
| description | Bearings，regarded as the “heart” of aircraft engines，operate under extreme conditions involving high temperatures，high pressures，and high speeds，with fatigue being their primary failure mode.To enhance the performance of aerospace bearings and consequently improve the reliability and service life of aircraft engines，the application of surface strengthening technologies proves particularly crucial.Firstly，the primary failure modes of rolling contact fatigue in aerospace M50 bearing steel were reviewed based on the mechanisms of bearing failure，with subsurface-initiated rolling contact fatigue identified as the primary failure mode，and the causes of fatigue failure were subsequently discussed.Secondly，based on the severe plastic deformation mechanism，the strengthening modification effect of surface strengthening processes on the surface service performance of bearing steel was analyzed from the perspectives of grain deformation and stress strengthening.Through grain refinement and the introduction of residual compressive stress，the fatigue resistance of the material was significantly improved.Additionally，recent research progress on existing surface strengthening processes was summarized，including various methods such as ultrasonic rolling，shot peening and laser shock hardening.Finally，limitations of existing single-process approaches were identified，along with development directions for strengthening and modification processes specifically for M50 bearing steel. |
| format | Article |
| id | doaj-art-e8363a0078e24a22922b5bca6404493c |
| institution | DOAJ |
| issn | 1001-1560 |
| language | zho |
| publishDate | 2025-07-01 |
| publisher | Editorial Department of Materials Protection |
| record_format | Article |
| series | Cailiao Baohu |
| spelling | doaj-art-e8363a0078e24a22922b5bca6404493c2025-08-20T03:06:19ZzhoEditorial Department of Materials ProtectionCailiao Baohu1001-15602025-07-01587193610.16577/j.issn.1001-1560.2025.0111Research Status and Trend of M50 Bearing Steel Surface Strengthening TechnologyZHANG Hao, PAN Yongzhi, YANG Yanzhao, ZHUANG Qikai, LIANG Hao, MEN Xiuhua0(School of Mechanical Engineering，University of Jinan，Jinan 250022，China)Bearings，regarded as the “heart” of aircraft engines，operate under extreme conditions involving high temperatures，high pressures，and high speeds，with fatigue being their primary failure mode.To enhance the performance of aerospace bearings and consequently improve the reliability and service life of aircraft engines，the application of surface strengthening technologies proves particularly crucial.Firstly，the primary failure modes of rolling contact fatigue in aerospace M50 bearing steel were reviewed based on the mechanisms of bearing failure，with subsurface-initiated rolling contact fatigue identified as the primary failure mode，and the causes of fatigue failure were subsequently discussed.Secondly，based on the severe plastic deformation mechanism，the strengthening modification effect of surface strengthening processes on the surface service performance of bearing steel was analyzed from the perspectives of grain deformation and stress strengthening.Through grain refinement and the introduction of residual compressive stress，the fatigue resistance of the material was significantly improved.Additionally，recent research progress on existing surface strengthening processes was summarized，including various methods such as ultrasonic rolling，shot peening and laser shock hardening.Finally，limitations of existing single-process approaches were identified，along with development directions for strengthening and modification processes specifically for M50 bearing steel.http://www.mat-pro.com/fileup/1001-1560/PDF/20250702.pdfm50 bearing steel；service performance；fatigue failure；surface strengthening；strengthening mechanism |
| spellingShingle | ZHANG Hao, PAN Yongzhi, YANG Yanzhao, ZHUANG Qikai, LIANG Hao, MEN Xiuhua Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology Cailiao Baohu m50 bearing steel；service performance；fatigue failure；surface strengthening；strengthening mechanism |
| title | Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology |
| title_full | Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology |
| title_fullStr | Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology |
| title_full_unstemmed | Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology |
| title_short | Research Status and Trend of M50 Bearing Steel Surface Strengthening Technology |
| title_sort | research status and trend of m50 bearing steel surface strengthening technology |
| topic | m50 bearing steel；service performance；fatigue failure；surface strengthening；strengthening mechanism |
| url | http://www.mat-pro.com/fileup/1001-1560/PDF/20250702.pdf |
| work_keys_str_mv | AT zhanghaopanyongzhiyangyanzhaozhuangqikailianghaomenxiuhua researchstatusandtrendofm50bearingsteelsurfacestrengtheningtechnology |