|About this Abstract
||2016 TMS Annual Meeting & Exhibition
||Characterization of Minerals, Metals, and Materials
||Influence of Al and C Content on Mechanical Properties of Sub-rapidly Solidified Fe–20Mn–xAl–yC Low-density Steels
||Libing Liu, Zheng Yan Shen, Yang Yang, Chang Jiang Song, Qi Jie Zhai
|On-Site Speaker (Planned)
Low density steels (Fe-Mn-Al-C alloys) with high manganese and high aluminum content have received much attention recently because their potential of more than 10wt.% reduction of density, excellent mechanical properties and multiphase microstructures. Sub-rapidly solidified Fe–20Mn–xAl–yC low-density steels with different Al(5, 9,wt.%) and C(0.4, 0.6, 0.8, 1.0,wt.%) content have been studied to understand the influence of Al and C content on mechanical properties, phases content, and structures. The sub-rapidly solidified steels exhibited great advantage to these steels produced by hot rolled and cold rolled with series of incidental heat treatment. The ordered phase DO3 (AlMn0.75Fe2.25) directly formed in austenite matrix of the strip from X-ray diffraction and TEM diffraction pattern data. The orientation relationship between ferrite and the D03 phase was α//D03. The 20Mn-9Al-0.8C shows the highest tensile strength and elongation among all compositions studied, were 952 MPa and 46%, respectively.
||Planned: A print-only volume