所属单位：材料科学工程学院
发表刊物：Materials Science and Technology
项目来源：其他课题
关键字：Nitrogen alloyed austenitic steel, Cold rolling, Tensile behaviour, Microstructure, Twinning
摘要：The cold rolling strain effect on the tensile properties of a high nitrogen alloyed austenitic steel was systemically investigated. Quasi-static tensile experiments were performed on the samples with different cold rolling strain. The material possessed good balance between strength and ductility in the entire rolling strain range. Mechanical property and microstructure of the nitrogen alloyed austenitic steel were greatly affected by cold rolling strain. With the increase in cold rolling strain, the strength increased sharply but the ductility declined. That is related to the gradual changes of microstructure induced by the cold rolling process. The cold rolling process leads to substantial microstructural change, from the appearance of slip bands and twins at low cold rolling strain; the microtwins formation at intermediate cold rolling strain and followed by sequences of their bending, breaking and disappearance; and finally to the formation of drossy twins at the high cold rolling strain.
第一作者：孙世成
论文类型：期刊论文
页面范围：1
是否译文：否
发表时间：2014-02-01