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Исследование трибологических свойств рельсовых и колесных сталей

Фатих Бозкурт, Юмит Эр

Аннотация


Исследованы характеристики износостойкости сталей AISI 51B60H и 30MnB5 с различным содержанием углерода и бора. Проведен анализ микроструктуры и твердости сталей. Рассчитаны удельные скорости изнашивания в условиях сухого и влажного трения, определены коэффициенты трения. Изучены изношенные поверхности образцов рельса методами электронной микроскопии. Рассмотрена возможность использования борсодержащих сталей взамен стали R260, которая применяется для изготовления высокоскоростных железных дорог.

Ключевые слова


износ рельса; мартенситные стали для рельсов; трибология рельса; борсодержащие стали; rail wear; martensitic steels for rails; tribology of rails; boron steels

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Литература


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DOI: https://doi.org/10.30906/mitom.2020.6.50-60

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