Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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The Studies on the Fabrication and Properties of Friction Materials toy Aluminium Alloy Disk

알루미늄 합금 디스크용 마찰재의 제조 및 그 특성에 관한 연구

  • Published : 2003.08.01
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Abstract

This article deals with the manufacture and test results of asbestos-free friction material for Aluminium at toy disk. In order to obtain optimum formulation, various formulations of fibres, matrix, modifiers, fillers, etc were designed and evaluated. The constant friction and brake dynamometer tests were performed to know weak and strong point for each friction material. The C21 formulation of various tested formulations exhibited superior friction constant(0.38∼38), fade rate (18%) by JASO C406 test mode and maximum wear 1.6 mm. disc wear 0.08 mm by JASO C427 test mode. The surface morphology of AL alloy disk(before and after test) was observed by Scanning Electron Microscope(SEM) and Image Analyzer.

본 연구는 자동차용 알루미늄 합금 디스크에 적용하기 위만 마찰재 제조에 관만 내용을 제시한 것이다. 최적 마찰재 조성을 확보하기 위하여 섬유, 결합재, 충진재, 마찰 성능 조정재 등으로 분류할 수 있는 각 원재료를 채택, 배합 설기에 의한 마찰재 시편을 제작하였으며 그 특성을 실제 차량 1/5 크기의 브레이크 다이나모미터를 이용하여 평가하였다. 마찰성능을 JASO C406 Pl에 준하여 실험만 결과 마찰계수가 0.35∼0.38. fade율이 18%였으며, 내 마모성은 JASO C427에 준하여 온도별 마모시험을 실시하였는데 시험 종료후 마찰재의 마로량이 1.6mm, 디스크 마모량이 0.08mm 수준인 우수한 배합 조성을 획득할 수 있었다. 시험 전$.$후의 마찰재와 알루미늄 합금 디스크의 표면상태는 주사전자현미경을 이용하여 관찰하였다.

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