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Microstructures of Fe-Pd Alloy Ribbons Subjected to Rapidly Solidified Melt Spinning

机译:快速凝固熔体纺制的Fe-Pd合金薄带的组织

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Microstructures of the Fe-29.6at%Pd alloy ribbons were observed with an X-ray diffractometer and a transmission electron microscope. The X-ray diffraction profiles at room temperature showed that the ribbon consists of FCT martensitic phase and FCC parent phase. Moreover, the ribbon exhibits a strongly 200-oriented texture analyzing with pole figure measurements. TEM bright field images for the cross section of the ribbon showed high-density twins in the FCT martensite. Twin-related two sets of reflections were observed in the SAED patterns taken of the FCT martensite variants. <200>_(fct) was nearly parallel to the thickness direction according to the analysis of the SAED patterns. This result corresponds to the pole figure measurements.
机译:用X射线衍射仪和透射电子显微镜观察了Fe-29.6at%Pd合金带的显微组织。室温下的X射线衍射图表明,碳带由FCT马氏体相和FCC母相组成。此外,碳带在极图测量中表现出强烈的200方向纹理分析。碳带横截面的TEM明亮场图像显示FCT马氏体中有高密度孪晶。在FCT马氏体变体的SAED模式中观察到了双胞胎相关的两组反射。根据SAED图案的分析,<200>(fct)几乎平行于厚度方向。该结果对应于极图测量。

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