典型文献
Tensile deformation behavior of nickel-free high-manganese austenitic cryogenic-temperature steel
文献摘要：
Nickel-free high-manganese austenitic Fe-24.4Mn-4.04Al-0.057C steel was produced by smelting,and the homogenized forged billet was hot-rolled.The plastic deformation mechanism was investigated through tensile testing of the hot-rolled sample.Different characterization techniques such as scanning electron microscopy,transmission electron microscopy,electron backscattered diffraction,and X-ray diffraction were used to analyze the microstructural evolution of steel under different strain levels.The steel had a single austenite phase,which was stable during deformation.After hot rolling,annealing twins were observed in the microstructure of the steel.The steel showed an excellent combination of mechanical properties,like a tensile strength of 527 MPa,impact energy of 203 J at-196℃,and an elongation of 67％till fracture.At the initial deformation stage,the dislocations were generated within the austenite grains,entangled and accumulated at the grain boundaries and annealing twin boundaries.Annealing twins participated in plastic deformation and hindered the dislocation movement.As the deformation progressed,the dislocation slip was hindered and produced stress concentration,and the stacking faults evolved into mechanical twins,which released the stress concentration and delayed the necking.
文献关键词：
中图分类号：
作者姓名：
Xin-tian Wang;Hui-bin Wu;Yang Gu;Li-xiong Xu;Peng-cheng Zhang;Qi-bo Tang
作者机构：
National Center for Materials Service Safety,University of Science and Technology Beijing,Beijing 100083,China;Collaborative Innovation Center of Steel Technology,University of Science and Technology Beijing,Beijing 100083,China
文献出处：
引用格式：
[1]Xin-tian Wang;Hui-bin Wu;Yang Gu;Li-xiong Xu;Peng-cheng Zhang;Qi-bo Tang-.Tensile deformation behavior of nickel-free high-manganese austenitic cryogenic-temperature steel)[J].钢铁研究学报（英文版）,2022(05):793-801
A类：
04Al,057C
B类：
Tensile,deformation,behavior,nickel,free,high,manganese,austenitic,cryogenic,temperature,steel,Nickel,4Mn,was,produced,by,smelting,homogenized,forged,billet,hot,rolled,plastic,mechanism,investigated,through,tensile,testing,sample,Different,characterization,techniques,such,scanning,electron,microscopy,transmission,backscattered,diffraction,ray,were,used,analyze,microstructural,evolution,under,different,strain,levels,had,single,austenite,phase,which,stable,during,After,rolling,annealing,twins,observed,microstructure,showed,excellent,combination,mechanical,properties,like,strength,impact,energy,elongation,till,fracture,At,initial,stage,dislocations,generated,within,grains,entangled,accumulated,boundaries,Annealing,participated,hindered,movement,progressed,slip,stress,concentration,stacking,faults,evolved,into,released,delayed,necking
AB值：
0.593572
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