<p>1: Challenges in the engineering design, manufacture, and testing of polymer gears<br>2: Basic characteristics of polymers for polymer-based gear<br>3: Polymer formulations for gears<br>4: Gear geometry<br>5: Tooth form optimization of plastic gears<br>6: Multicriteria design of polymer gears according to VDI 2736 guideline<br>7: Recent developments in hybrid metal-composite gears<br>8: The asymmetric gears and innovative approaches to increase performance and durability of polymer gears<br>9: Deformability, noise, and vibrations of polymer gears<br>10: Temperature prediction in polymer gears: semianalytical modeling<br>11: Tooth profile design for reduced sliding velocity and wear<br>12: Design of gears and noninvolute gears: theory and experiment<br>13: Mold design and injection molding simulations for polymer gear<br>14: Manufacturing of polymer gears by machining<br>15: Failure analysis of polymer gears made by additive manufacturing<br>16: Additive manufacturing of polymer gears<br>17: Complementary properties of optical, tactile, and computed tomography measurement principles<br>18: Optical areal geometrical quality control of gears<br>19: Experimental testing of polymer gears with consideration of their thermomechanical behavior<br>20: Tribology of polymer gears: friction coefficient and wear<br>21: A combined numerical and optical analysis of failure attributes in polymer nanocomposite gears<br>22: Computational fluid dynamics model for polymer gears with oil lubrication<br>23: Performance of autoclave-cured carbon fiber reinforced polymer composite gears<br>24: Efficiency of polymer gears<br>25: Incorporating image processing for postanalysis of polymer-based gears<br>26: Lifetime testing of polymer gears<br>27: Application of bio-based fibers for polymer reinforcement<br>28: Application of polymer bevel gears for car suspension system<br>29: Applications of PEEK gears for high-power transmissions</p>