21世纪钢轨钢的展望

TENDENCY OF DEVELOPMENT OF RAIL STEELIN 21ST CENTURY

分析了世界铁路发展现状和今后发展趋势，指出根据铁路高速重载的要求，开发研制了新型钢轨钢，主要是贝氏体钢，马氏体钢和过共析珠光体钢轨钢，从试验室数据和线路试铺的结果看。

This paper describes the new ideas of producing rails with improved wear resistanceOne way is to produce the hypereutectite steel,another way is to produce the bainite steel and martensite steelThe experimental and industrial trials have been shown that both of them have a longer than ordinary rail steel