Experimental Analysis of Cylinder-bore Corrosive Wear by Utilizing a Radioisotope Tracer (First Report)

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  • RIトレーサー法を用いたシリンダボア腐食摩耗解析（第１報）
  • RIトレーサー法を用いたシリンダボア腐食摩耗解析(第1報)燃料種および運転条件の摩耗影響
  • RI トレーサーホウ オ モチイタ シリンダボア フショク マモウ カイセキ(ダイ1ポウ)ネンリョウシュ オヨビ ウンテン ジョウケン ノ マモウ エイキョウ
  • -Influence of fuel type and engine operating conditions on wear-
  • －燃料種および運転条件の摩耗影響－

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In order to clarify the influence of fuels containing sulfur and ethanol on cylinder-bore wear, the wear measurements by utilizing a radioisotope technique were performed. The results showed that when fuels containing sulfur were used, bore wear rate increased at a specific water temperature and depended on the base number of the engine oil. For this reason, it is estimated that the corrosive wear is caused by sulfuric acid generated from sulfur in fuels.

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