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Surface Modification of Automobile Rubber by Various Plasma Treatments  

Lee, Seung-Hun (Department of Mechanical Engineering, Graduate School, Kyungpook National University)
Kim, Seock-Sam (School of Mechanical Engineering, Kyungpook National University)
Publication Information
KSTLE International Journal / v.9, no.1_2, 2008 , pp. 26-30 More about this Journal
Abstract
This study examined the surface modification characteristics of NBR using sealing in automobile. Surfaces of NBR were modified by RF power Ar plasma treatment. In experiment, pressure, flux, temperature were fixed and RF bias voltage. Treatment time was changed. In friction test, we used PTFE grease. After modification, surfaces of NBR showed many grooves, hydrophilic functional groups, and lipophilic functional groups. As increasing treating voltage and time, the amount of them was increased. And wetting angle and friction coefficient was decreased with increasing treating voltage and time. However, the pattern of changing friction coefficient was not fixed.
Keywords
Ar plasma; NBR; molecular structure; wetting angle; friction coefficient;
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