Effects of Borided Cylinder Liner on Engine Performance in a Firing Diesel Engine

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• 作者：Mehmet Cakir ; İsmail Hakkı Akcay
• 关键词：Piston–cylinder friction ; Engine tribology ; Boronizing
• 刊名：Arabian Journal for Science and Engineering
• 出版年：2015
• 出版时间：November 2015
• 年：2015
• 卷：40
• 期：11
• 页码：3329-3335
• 全文大小：1,875 KB
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• 作者单位：Mehmet Cakir (1)
  İsmail Hakkı Akcay (2)
  
  1. Department of Marine Engineering Operations, Yildiz Technical University, Besiktas, 34349, Istanbul, Turkey
  2. Department of Machine Engineering, Süleyman Demirel University, 32100, Isparta, Turkey
  
• 刊物类别：Engineering
• 刊物主题：Engineering, general
  Mathematics
  Science, general
  
• 出版者：Springer Berlin / Heidelberg

文摘

The correlations between engine performance and the borided cylinder liner have been investigated experimentally on firing diesel engine. The inner surface of cast iron cylinder liners of the engine was boronized using powder box-boronizing technique at 780 °C for 4 h. The boronizing thickness was approximately 25μm at the cross section of cast iron cylinder liner after boronizing process. Diesel engine was operated with original cylinder liner and borided cylinder liner. Engine performance data were measured with the help of a hydraulic dynamometer. Indicated mean effective pressure was measured through the in-cylinder pressure detector. Indicated and brake parameters were compared for both motors. Borided engine liner temperature was measured as higher than that of original engine. Similar measurements were seen in the exhaust temperatures. Mechanical efficiency is improved about 6% with cylinder liner boronizing.