科研之友
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摘要
A right selection of filler its type shape size amount and its compatibility with other co-fillers contribute to the performance of a friction material Among various types of fillers metallic fillers are very important and multifunctional In spite of well-accepted fact that these affect all performance properties of friction materials in depth studies and systematic evaluation as per standard procedure are not documented Hence in this work three friction composites were developed in the laboratory with identical parent composition (90 wt %) except metallic filler (10 wt %) viz brass copper and iron powders while one more composite was developed without any metal contents for comparison s sake These were characterized for physical thermo-physical chemical and mechanical properties For tribo-evaluation inertia brake-dynamometer testing which reflects the most realistic performance was selected The various performance properties like friction mu sensitivity to load speed and temperature were studied as per industrial schedule
It was concluded that inclusion of metal contents improved almost all the performance properties and copper containing composite showed best tribo-behavior followed by brass
- 出版日期2010-10-28
