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首页> 外文期刊>Materials Science and Engineering. A, Structural Materials >Microstructure and properties of Fe_3Al-Fe_3AlC_(0.5) composites prepared by self-propagating high temperature synthesis casting
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Microstructure and properties of Fe_3Al-Fe_3AlC_(0.5) composites prepared by self-propagating high temperature synthesis casting

机译：自蔓延高温合成铸件制备的Fe_3Al-Fe_3AlC_（0.5）复合材料的组织和性能

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摘要

Fe_3 Al composite materials with 40,60 and 80 wt.pencent Fe_3 A1C_(0.5) were fabricated by self-propagating high temperature synthesis (SHS) casting processing and analyzed with X-ray diffraction (XRD) and scanning electron microscopy (SEM). Microhardness, bending strength and wear rate of the composites were measured. The materials mainly consisted of Fe_3 Al and Fe_3AlC_(0.5) phases. The adherence of the reinforcement and the matrix was good. There were no cracks at the interface of the phases in the materials. Hardness of the composites increased with Fe_3AlC_(0.5) fraction. Bending strength of the composites was high and that of the composite with 60 wt.pencent Fe_3AlC_(0.5) was the highest. Wear rates of the composites were low and those of the composites with 60 and 80 wt.pencent Fe_3AlC_(0.5) were lower than that of the composite with 40wt.pencnt Fe_3AlC_(0.5).
机译：通过自蔓延高温合成（SHS）铸造工艺制备了具有40,60和80重量百分比的Fe_3 AlC_（0.5）的Fe_3 Al复合材料，并通过X射线衍射（XRD）和扫描电子显微镜（SEM）进行了分析。测量了复合材料的显微硬度，弯曲强度和磨损率。所述材料主要由Fe_3Al和Fe_3AlC_（0.5）相组成。增强材料和基体的附着力很好。在材料的相界面处没有裂纹。复合材料的硬度随Fe_3AlC_（0.5）分数的增加而增加。复合材料的弯曲强度高，并且具有60重量％的Fe_3AlC_（0.5）的复合材料的弯曲强度最高。复合材料的磨损率低，并且具有60和80重量百分比的Fe_3AlC_（0.5）的复合材料的磨损率低于具有40重量百分比的Fe_3AlC_（0.5）的复合材料的磨损率。

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