Bulletin of JSME
Online ISSN : 1881-1426
Print ISSN : 0021-3764
The Wear Properties of Piston Rings of an Automobile Gasoline Engine : Experimental Results by Means of R.I. Method
Shoichi FURUHAMAYoshitane OYATakeichiro INOUE
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1966 年 9 巻 33 号 p. 190-199

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The Cr-plated top piston-rings were irradiated, then the each amount of the radioactive wear debris of chrome and cast iron part were separately measured by mean of R.I. method. The main results of this investigation are as follows : (i) Wear of cast iron of the side faces is a several times or more as large than chrome of the sliding face. (ii) Wear of the cast iron is influenced sensitively by the oil-film-thickness. (iii) Additives of lubricating oil prevent mainly the carrosive wear, and its effectiveness is small when the normal runnig. (iv) When the piston-ring receive a high load, moreover the knock is occur, the wear is increased very sharply, specially the chrome part. (v) Dust is the most harmful, and air cleaner plays a very important part.

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© The Japan Society of Mechanical Engineers
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