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용사처리에 의한 자동차 브레이크용 마찰재료의 마찰성능개선에 관한 연구
김윤해(Y. H. Kim),배창원(C. W. Bae),손태관(T. K. Shon),김봉식(B. S. Kim) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.11_1
Friction materials that are used in brake linings and clutches have severe performance requirements. The principal function of such frictional elements is to convert kinetic energy to heat and then either to absorb or otherwise dissipate the heat while simultaneously, through friction, reducing the relative movement between the friction material and the part to which it is engaged. In order to achieve these objectives, the coefficient of friction must be as high as possible, independent of variations in operating conditions, and the necessary energy conversion must be accomplished with a minimum of wear on the contacting parts. The friction material, in addition to having a relatively high coefficient of friction, should be durable and heat stable, and should generate little or no noise while in rubbing contact with the engaged part. This study focused on the improved frictional performance of friction material by spray treatment. In the case of the spray treatment the aluminum bronze sprayed specimen showed the most excellent frictional characteristics and anti-corrosive effect in our experimental ranges.