It is of a vital importance to reduce the frictional losses in marine diesel engines. Advanced surface textures have provided an efective solution to friction performance of rubbing pairs due to the rapid development of surface engineering techniques. However, the mechanisms through which textured patterns and texturing methods prove benefcial remains unclear. To address this issue, the tribological system of the cylinder liner-piston ring (CLPR) is investigated in this work. Two types of surface textures (Micro concave, Micro Ⅴ-groove) are processed on the cylinder specimen using diferent processing methods. Comparative study on the friction coefcients, worn surface texture features and oil flm characteristics are performed. The results demonstrate that the processing method of surface texture afect the performance of the CLPR pairs under the specifc testing conditions. In addition the micro Ⅴ-groove processed by CNCPM is more favorable for improving the wear performances at the low load, while the micro-con- cave processed by CE is more favorable for improving the wear performances at the high load. These fndings are in helping to understand the efect of surface texture on wear performance of CLPR.
Zhi-Wei Guo
,
Cheng-Qing Yuan
,
Xiu-Qin Bai
,
Xin-Ping Yan
. Experimental Study on Wear Performance and Oil Film Characteristics of Surface Textured Cylinder Liner in Marine Diesel Engine[J]. Chinese Journal of Mechanical Engineering, 2018
, 31(3)
: 52
-52
.
DOI: 10.1186/s10033-018-0252-3
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