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Analysis of Nucleation Characteristics and Vickers Hardness of Acicular Ferrite
Author(s): 
Pages: 55-58
Year: Issue:  3
Journal: Journal of Gansu Sciences

Keyword:  Acicular ferriteNucleationVickers hardness;
Abstract: 为了分析针状铁素体组织的形貌特点,进行了金相光学显微镜和扫描电子显微镜(SEM)观察.通过金相光学显微组织观察,发现了具有相同生长方向的针状铁素体组织和类似于在夹杂物形核的现象.通过SEM观察到不同晶界处形核的特点不同,在平直晶界处形核长大的针状铁素体组织比大曲率晶界处的组织更具规则性.测量出针状铁素体组织的维氏硬度约为377 HV3.并指出维氏硬度值不能准确反映针状铁素体显微组织的本征硬度.
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