典型文献
Study on Diffusion Behavior of 72LX Blooms in the Decarburization Process
文献摘要：
To elucidate the diffusion behavior of carbon atoms within the austenite region, the decarbonization of 72LX steel bloom was investigated. Experimental studies were performed to obtain the depth profiles of the decarburized layers within the temperature range of 950-1250 ℃. The findings show that, within a temperature range of 950-1200 ℃, both the depth of the decarburization layer of the grain interior (hin) and the depth of the decarbonization effect zone of the grain boundary (hb) increase concurrently with increasing holding temperatures and times and an inflection point is observed at 1200 ℃. By measuring the change in the sample diameter before and after the experiment, the change in the radius reduction of hFe causes by oxidation is obtained. Minimal changes are observed in hFe when the temperature is below 1050 ℃. As the temperature increases to 1100 ℃, a sudden change in hFe is observed, which corresponds to a rapid increase in oxidation. At temperatures above 1100 ℃, a more gradual change is observed. From the experimental results, a two-dimensional decarburization mathematical model is established and the carbon diffusion coefficients at different temperatures are obtained by simulation and regression fitting. The simulation values obtain from the carbon diffusion model matched well with the experimental values, thereby confirming the accuracy of the simulation process.
文献关键词：
中图分类号：
作者姓名：
XU Dong;ZHENG Bing;PANG Hongxuan;WANG Xuexi;ZOU Zhipeng
作者机构：
Technology Innovation Center for High Quality Cold Heading Steel of Hebei Province,Hebei University of Engineering,Handan 056038,China;Technology Center,Zhongyuan Special Steel Equipment Manufacturing Co.Ltd,Jiyuan 459008,China;School of Materials and Metallurgy,University of Science and Technology Liaoning,Anshan 114051,China;Engineering Research Center for High Toughness Wind Tower Steel of Hebei Province,Hebei Puyang Iron and Steel Co.Ltd,Handan 056305,China
文献出处：
引用格式：
[1]XU Dong;ZHENG Bing;PANG Hongxuan;WANG Xuexi;ZOU Zhipeng-.Study on Diffusion Behavior of 72LX Blooms in the Decarburization Process)[J].武汉理工大学学报（材料科学版）（英文版）,2022(04):716-721
A类：
72LX,Decarburization,decarburized,hFe
B类：
Study,Diffusion,Behavior,Blooms,Process,To,elucidate,diffusion,behavior,atoms,within,austenite,region,decarbonization,steel,bloom,was,investigated,Experimental,studies,were,performed,depth,profiles,layers,range,findings,show,that,both,decarburization,grain,interior,effect,zone,boundary,hb,concurrently,increasing,holding,temperatures,times,inflection,point,observed,By,measuring,sample,diameter,before,after,radius,reduction,causes,oxidation,obtained,Minimal,changes,are,when,below,increases,sudden,which,corresponds,rapid,At,above,more,gradual,From,experimental,results,two,dimensional,mathematical,model,established,coefficients,different,simulation,regression,fitting,values,from,matched,well,thereby,confirming,accuracy,process
AB值：
0.512102
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