Among the available ceramic whiskers, potassium titanate whisker ([K.sub.2][O.sub.6] x Ti[O.sub.2], PTW) has been found to be a promising reinforcer for the wear resistant composites due to its unique properties, such as outstanding mechanical performance, low hardness (Mohs hardness 4), and excellent chemical stability.
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The reinforcement ceramic used was potassium titanate whiskers and were supplied by Hangzhou Dayangchem Co., Ltd., Hong Kong.
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Pei, "Preparation, damping and thermal properties of potassium titanate whiskers filled castor oil-based polyurethane/epoxy interpenetrating polymer network composites," Materials and Design, vol.
Lu, "A study on the friction and wear behavior of polytetrafluoroethylene filled with potassium titanate whiskers," Wear, vol.
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[10.] Kumar, M., Satapathy, B.K., Patnaik, A., Kolluri, D.K., and Tomar, B.S., "Hybrid Composite Friction Materials Reinforced with Combination of Potassium Titanate Whiskers and aramid Fibre: Assessment of Fade and Recovery Performance," Tribiology Int.