Research Article
A Study on Contact Fatigue Performance of Nitrided and TiN Coated Gears
Table 4
Contact fatigue life of gears under different contact stress levels.
| | Contact stress σ/MPa | Contact fatigue life ×105 | | Nitreded and TiN coated 32Cr2MoV | Nitrided 32Cr2MoV |
| | 2500 | 1.45 | 1.74 | 9.56 | 1.51 | 1.17 | 1.23 | 1.34 | 1.01 | 1.31 | 1.06 | | 2200 | 4.94 | 4.66 | 5.44 | 5.18 | 4.65 | 3.88 | 3.31 | 3.97 | 3.92 | 3.10 | | 2000 | 13.85 | 11.46 | 16.01 | 15.72 | 14.22 | 6.92 | 5.77 | 7.51 | 7.23 | 7.04 | | 1800 | 49.75 | 53.85 | 50.72 | 47.86 | 43.75 | 19.91 | 22.63 | 21.73 | 17.86 | 16.40 |
|
|
