Effects of chromium on the microstructure and hot ductility of Nb-microalloyed steel

• 作 者: Yang Liu Yan-hui Sun Hao-tian Wu
• 机 构: CollaborativeInnovationCenterofSteelTechnology
• 出 处: 矿物冶金与材料学报:英文版
• 发表日期: 2021年6期
• 关键词: phase transformation hot ductility CHROMIUM high-angle grain boundaries grain bo
• 基金项目: This work was financially supported by the National Natural Science Foundation of China(Nos.U1860104 and 51774030).

It is well-known that the surface quality of the niobium microalloy profiled billet directly affects the comprehensive mechanical properties of the H-beam.The effects of chromium on theγ/αphase transformation and high-temperature mechanical properties of