Title: Microstructures and solidification mode of continuous casting slabs of austenitic stainless steel Cr17Mn6Ni4Cu2N
Abstract:Continuous casting slabs of austenitic stainless steel Cr17Mn6Ni4Cu2N were prepared by using AOD and LF refine technique and continuous casting technique.Optical metallographic examination was perform...Continuous casting slabs of austenitic stainless steel Cr17Mn6Ni4Cu2N were prepared by using AOD and LF refine technique and continuous casting technique.Optical metallographic examination was performed for their surface layer and central region,and composition variation in microstructures was studied with electron probe microanalyzer to determine their casting microstructures.The result showed that morphologies of casting microstructures were all various residual δ-ferrite with the form of skeletal,lathy and vermiculate respectively inward into casting slabs on the austenitic matrix.According to the microstructure of continuous casting slabs,their solidification mode was determined that the ferrite solidified as primary phase,and subsequently the austenitic formed through solid state transformation.Cooling rates were determined by secondary dendrite arming spaces of ferrite on surface layer.Analysis result showed that cooling rates varying from 5~20 ℃/s had no influence on solidification mode.Read More
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
Access and Citation
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot