3002 リン酸エステル添加油による低速・低面圧しゅう動部の低摩擦に関する研究(S56-1 第13回卒業研究コンテスト(1),S56 第13回卒業研究コンテスト)
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Very low boundary friction coefficient less than 0.01 appears if a lubricant containing alkyl acid phosphate is employed under low speed and low contacting pressure condition. In order to elucidate the effect of alkyl acid phosphate on this very low friction, microscopic observations of a well-running-in surface by atomic force microscopy are conducted. From the FFM results by a cantilever of which tip is replaced by a glass sphere with 40μm of the diameter, it is found that reaction layers on well-running-in surface, which mainly consist of iron phosphate, has some effect but decisive factor on the low friction in this situation. Since, even in the case of the polished surface, alkyl acid phosphate exhibits a large effect on lower and more stable friction, the low friction may be mainly brought about by thick adsorbed layers of alkyl acid phosphate.
- 社団法人日本機械学会の論文
- 2007-09-07
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- 3002 リン酸エステル添加油による低速・低面圧しゅう動部の低摩擦に関する研究(S56-1 第13回卒業研究コンテスト(1),S56 第13回卒業研究コンテスト)