The low-carbon strategy of marine intenal combustion engines is continuously carrying on.As one of the most important friction pair components,the development of anti-wear and friction-reduction technology is especially important.In this paper,the mainly arrangement,cross section and outside cylindrical surface of low speed marine ICEs piston rings were categorized.In addition,the application of base material,processing technology and surface texture in low speed engine pis-ton rings were discussed.In the end,the nowadays manufacturing technologies of low speed engine piston rings were sum-marized,which provide useful reference to the manufacture of low speed marine piston rings.
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