Linking anisotropy with Fe3C distribution in AISI 1045 steel

被引：0
作者：
Shen, Ke-chang [1 ]
Li, Gui-hua [2 ]
Sun, Yi-min [1 ]
Wang, Yong-gang [1 ]
Li, Ying-jie [1 ]
Cao, Guang-hui [3 ]
Wang, Wei-min [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab Liquid Solid Struct Evolut & Proc Mat, Jinan 250061, Peoples R China
[2] Shandong Inst Metrol, Jinan 250014, Peoples R China
[3] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2015年 / 22卷 / 12期
基金：
中国国家自然科学基金;
关键词：
carbon steel; microstructure; anisotropy; lattice constants; LOW-CARBON STEEL; CORROSION BEHAVIOR; MAGNETIC-PROPERTIES; CRYSTALLOGRAPHIC ORIENTATION; ELECTRICAL STEELS; THERMAL-EXPANSION; STAINLESS-STEEL; FERRITE; CEMENTITE; MICROSTRUCTURE;
D O I：
10.1007/s12613-015-1197-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The anisotropy of the microstructure, thermal expansion behavior, corrosion resistance and magnetic properties of AISI 1045 steel was investigated. The distribution of Fe3C lamellae in the investigation plane parallel to the radial directions of molds was observed to differ from that in the investigation plane perpendicular to the radial directions by transmission electron microscopy. The lattice constants a (0) of alpha-Fe deduced from the XRD patterns of samples prepared using a sand (S)-mold and cut parallel to the radial direction of the mold (S//) and using a metal (M)-mold and cut parallel to the radial direction (M//), the corrosion resistance measured using an electrochemical workstation, and the magnetic permeability obtained by vibrating sample magnetometry also indicated the existence of anisotropy in the tested samples. The anisotropic change of corrosion potential (E (corr)), pitting potential (E (pit)) and magnetic permeability (A mu) of the samples was observed to depend on the orientation factor F (200) of alpha-Fe in the measured samples, which is controlled by the distribution of Fe3C lamellae in the eutectoid structure.
引用
收藏
页码：1293 / 1303
页数：11
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