Influence of water and oil immersion on the tribological properties of Excentrodendron hsienmu
Science China Technological Sciences(2016)
摘要
Modern composite materials and lignum vitae are widely studied and used in water-lubricated bearings. Noise, wear and tear, environmental pollution, and limited resources restrict the application of these materials. Thus, alternatives to lignum vitae for water-lubricated bearings should be identified and developed. In this work, the chemical composition and mechanical and tribological properties of water-, vegetable oil-, and gear oil-immersed and wax- and water-extracted Excentrodendron hsienmu ( E. hsienmu ) samples were studied. Results showed that the friction coefficients of the water- and gear oil-immersed and waxand water-extracted E. hsienmu samples are significantly smaller than those of the wax- and water-extracted lignum vitae samples. The grinding crack widths of the water-extracted gear oil-immersed E. hsienmu samples are smaller than those of the water-immersed lignum vitae samples. The preliminary results show that it is possible to provide an environmentally friendly method that could replace lignum vitae and other composite materials for water-lubricated bearings.
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关键词
tribology, mechanics, water immersion, oil immersion, Excentrodendron hsienmu
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