Abstract
As an alternative to short fibers, non-woven fabrics (NWFs) were made using different types of long fibers to optimize the performance of paper-based friction materials and their technology. In this investigation, the fillers and resin were impregnated into these NWFs to prepare three kinds of wet friction material. The tribological, mechanical, and thermal properties of the new wet friction material were studied. The results indicate that the dynamic friction coefficient of the new friction material is approximately 0.12 and the static friction coefficient is approximately 0.15; the better wear rate is 0.81334 × 10-14 m3·(N·m)-1. In addition, the temperature for 10% mass loss yielded 100 °C enhancement and the tensile strength was improved by 200%, compared to previously reported values. Most importantly, the advantages include a simple preparation flow, low cost, and resource conservation. This is a promising approach for the future development of paper-based friction materials.
Highlights
Friction materials are widely used in automatic transmissions and clutches in automobiles [1,2,3]
Fiberreinforced resin-based friction material (FRRBFM) is an important category of friction material that is usually composed of fibers, adhesives, friction modifiers, and fillers [4,5,6]
Paper-based friction material is an important class of wet friction material, which is a kind of oil-immersed, polyporous FRRBFM
Summary
Friction materials are widely used in automatic transmissions and clutches in automobiles [1,2,3]. As a kind of reinforcement, fibers impart physical strength to friction materials and provide thermal shock resistance. Cai et al [7] studied the effect of the aspect ratios of aramid fiber on the mechanical and tribological performances of friction material. Li et al [8] proposed the idea of a carbon fiber reinforced resin-based friction material. To improve the performance of a paper-based friction material, many researchers have undertaken theoretical studies on the composition of raw materials [1,2,3,4,5,6]. Zhou et al [1] studied the effect of the synergistic effect of liquid carboxylated nitrile rubber and epoxy resin on a soft paper-based friction material. The preforms have low strength and a large amount of water is consumed in the production process
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