| Summary: | 碩士 === 國立成功大學 === 材料科學及工程學系碩博士班 === 96 === In this research, we used phenolic resin, copper powder, and copper fiber to manufacture friction material. By changing carbonization temperature and the relative content of copper powder and copper fiber, we understood the effects of carbonization temperature and copper fiber content on mechanical and tribological properties of copper/phenolic resin-based semi-metallic friction material. The results are as follows:
The results of mechanical properties of materials show that compressive strength and hardness decrease with increasing carbonization temperature and fiber conten.
Materials show little difference of average friction coefficient, about lying between 0.294 and 0.34, and carbonization C2 materials show the highest average friction coefficient. The friction temperature increases with increasing carbonization temperature and fiber content, but the fiber cotent shows large effective. Wear loss decrease when carbonization temperature and fiber content increases. Surface roughness increases with increasing carbonization temperature and fiber content.
In repeatable wear test,it shows that all specimens of average friction coefficient be stable. The average friction coefficient increases when carbonization temperature increases and fiber content decreases. Wear loss decreases when carbonization temperature increases and fiber content decreases.
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