Actual Problems in Machine Building 2015 No. 2

Актуальные проблемы в машиностроении. 2015. №2 Материаловедение в машиностроении ____________________________________________________________________ 415 INVESTIGATION OF THE CHMN-35M CAST-IRON TRIBOLOGICAL PROPERTIES Gabets D. A. 1 , Ph.D. student, e-mail: gabets22@mail.ru Kargin V. V. 1 , Ph.D. student, e-mail: w_w_k@mail.ru Markov A. M. 1 , D.Sc. (Engineering), Professor, e-mail: andmarkov@inbox.ru Gabets A. V. 2 , Ph.D. (Engineering), Development director 1 I.I. Polzunov Altai State Technical University, 46 Lenina avenue, Barnaul, Altai region, 656038, Russian Federation 2 Altai Steel Casting Factory (ASCF), 116/52 Kalinina st., Barnaul, 656037, Russian Federation Abstract In this paper we consider a version of upgrading the freight-car bogie using wear-resistant materials. Wear resistant characteristics of materials used in the construction of freight car bogie units are revealed. Some results of comparative tests of the tribological assembly are provided and cast-iron and steel tribological properties are described. Keywords friction, wear-resistant, Fe-C, special ChMN-35M cast iron, investigation of tribological properties