TY - JOUR T1 - Experimental Investigation of the Effect of Brake Disconnished by Hvof Method AU - Babagiray, Mustafa AU - Bayrakçeken, Hüseyin AU - Çakmakkaya, Mehmet AU - Aysal, Faruk Emre AU - Karanfil, Salih PY - 2019 DA - September Y2 - 2019 DO - 10.30939/ijastech..557701 JF - International Journal of Automotive Science And Technology JO - IJASTECH PB - Otomotiv Mühendisleri Derneği WT - DergiPark SN - 2587-0963 SP - 57 EP - 61 VL - 3 IS - 3 LA - en AB - In this study; brake discsused in vehicles have investigated. The behavior of these discs during braking,wear and braking distance performance of the coated and uncoated surfacesduring the braking process were evaluated. The surface of the commerciallyproduced discs was coated with a thickness of 1 mm using the HVOF (HighVelocity Oxy-Fuel) coating method. In the coating process CoNiCrAlY, WC-Co(88/12), NiCrBSi and MoNiCrBSiFe (Mo 25%) 4 (four) different ceramic powderswere used respectively. Wear and brake distance tests of coated and uncoateddiscs were performed by braking in a total of 20 brakes in 15 seconds on thebrake-suspension tester. After the brake tests, thesurface roughness changes of the discs, surface hardness change, mass loss andthe abrasion values on the disc surfaces were determined due to the brake forceapplied to the discs during the experiment. The most wear on the discs was onthe CoNiCrAlY ceramic powder coated disc at 0,4 g, while the least wearoccurred on the disc coated with NiCrBSi ceramic powder at 0,2 g. KW - Brake Disc KW - HVOF KW - Brake Test KW - Wear KW - Ceramic CR - [[1] Bayrakçeken, H. (2002). Motorlu taşıtlarda fren performans analizi ve geliştirilen test cihazında uygulanması. Gazi Uni-versity Institute of Natural and Applied Science, PhD Thesis. CR - [2] Düzgün, M., Yıldız, Y. (2009). Soğutma Kanallı Fren Disk-lerinin Frenleme Kuvvetlerine ve Isı Değişimine Etkileri. In-ternational Advanced Technology Symposium, Karabük, Turkey. 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