TY JOUR TI DEFINITION OF TRIBOLOGICAL CHARACTERISTICS OF THE ALUMINUM AND SILICON ALLOY DEPENDING ON THE COMPOSITION OF ADDITIVES FOR DIESEL LOCOMOTIVE PISTON KW friction ratio KW load of seizure KW wear KW lubrication KW abrasive wear JO Transport engineering AU Biryukov, V.P. AU Princ, A.N. PY 2022 IS 2022 PB Bryansk State Technical University