A Study on Contact Fatigue Performance of Nitrided and TiN Coated Gears

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="580470.fig.004a" src="https://static.hindawi.com/articles/amse/volume-2013/580470/figures/580470.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Nitrided driving gears</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="580470.fig.004b" src="https://static.hindawi.com/articles/amse/volume-2013/580470/figures/580470.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Nitrided driven gears</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="580470.fig.004c" src="https://static.hindawi.com/articles/amse/volume-2013/580470/figures/580470.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Nitrided+TiN coated driving gears</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="580470.fig.004d" src="https://static.hindawi.com/articles/amse/volume-2013/580470/figures/580470.fig.004d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Nitrided+TiN coated driven gears</td></tr></table></td></tr></table>

<table>The photograph of tooth surface after running test magnified 50 times.</table>

Advances in Materials Science and Engineering

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Figure 4

Figure 4: A Study on Contact Fatigue Performance of Nitrided and TiN Coated Gears 