轧制参数对BGRE钢轨组织的影响

Meng-jie LOU,Qing-fei ZHOU,Lin CHEN,Ya TAO,Gui-ying ZHAO,Hui-jun WANG

Journal of Inner Mongolia University of Science and Technology（2019）

Cited 1|Views3

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Abstract

采用分段冷却的方法通过Gleeble-1500D热模拟机对BGRE重载钢轨进行热处理,然后观察在不同变形温度(850,900,930,950℃)、变形量(30％,50％,70％)以及第二段冷速(3,2,0℃/s)下钢轨的微观组织组成分成以及含量,找出最佳热处理工艺,使钢轨珠光体组织的片层间距更加细小,从而使其性能达到最优.结果发现当变形量为30％,变形温度为950℃,v1=5℃/s,v2=2℃/s时,BGRE重载钢轨的片层间距较细,性能最好.

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