TY - JOUR T1 - Oil film thickness measurement between an automotive piston ring and cylinder using an ultrasonic technique JO - World Tribology Congress 2009 - Proceedings PY - 2009/01/01 AU - Avan EY AU - Mills RS AU - Dwyer-Joyce RS AU - Akturk N ED - SP - 718 Y2 - 2024/12/27 ER -