Investigation on the Mechanism of the Texture Evolution from the View Point of Coincidence Boundaries in Fe-3%Si Containing MnS as an Inhibitor

晶界 纹理(宇宙学) 材料科学 强度(物理) 晶粒生长 结晶学 方向(向量空间) 凝聚态物理 衍射 巧合 晶界扩散系数 晶界强化 几何学 粒度 冶金 化学 光学 数学 物理 微观结构 图像(数学) 人工智能 替代医学 计算机科学 病理 医学
作者
Ryo Shimizu,Jirou Harase
出处
期刊:Nippon Kinzoku Gakkaishi [Japan Institute of Metals and Materials]
卷期号:53 (9): 858-865
标识
DOI:10.2320/jinstmet1952.53.9_858
摘要

Texture evolution by grain growth in an Fe-3%Si containing MnS as an inhibitor was investigated by SEM-ECP technique and X-ray diffraction method.The intensity of the {335} and {334} orientation increased by grain growth from the primary texture having a rather strong {334} and {111} orientation, while the intensity of the {111} orientation decreased by grain growth. The frequency of Σ1 and Σ3 boundary increased by grain growth. The increase in the frequency of Σ1 was considered to be due to the evolution of the rather sharp texture by grain growth and the stableness of the Σ1 boundary comparing with other boundaries.The increase in the frequency of Σ3 boundary by grain growth was considered to be due to the relatively higher frequency of orientations having Σ3 orientation relationship in the primary matrix and that these grains come in contact to form Σ3 boundaries in the course of grain growth suggesting that the Σ3 boundary is also relatively stable.The {335} and {334} orientation had rather higher value of the product of the intensity of these orientations and the intensity of the Σ9 oriented grains in relation to these orientations in the primary recrystallized stage. The mechanism of the evolution of these texture was explained by considering the special mobility of Σ9 boundaries in precipitates.
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