首页> 外文会议>Symposium Proceedings vol.842; Symposium on Integrative and Interdisciplinary Aspects of Intermetallics; 20041129-1201; Boston,MA(US) >Microstructure, Mechanical Properties and Wear Resistance of Fe-Al Based Alloys with Various Alloying Elements
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Microstructure, Mechanical Properties and Wear Resistance of Fe-Al Based Alloys with Various Alloying Elements

机译:各种合金元素的铁铝基合金的组织,力学性能和耐磨性

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We report on microstructure, mechanical properties and wear resistance of Fe-Al based alloys with various alloying elements. The microstructures were examined using optical and scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscope (EDS). Two types of alloys were prepared using vacuum arc melting; one is Fe-28Al based alloys (D0_3 structured) with and without alloying elements such as Mo and Zr. The other one is Fe-35Al based alloys (B2 structured) produced with same manner. For both types of alloys, equiaxed microstructures were observed by the addition of Mo, while dendritic structures were observed by the Zr addition. These microstructural features were more evinced with increasing the content of alloying elements. Concerning the mechanical properties and wear resistance, Fe-35Al based alloys with or without Mo addition superior to Fe-28Al based alloys especially in the high temperature region.
机译:我们报告了具有各种合金元素的铁铝基合金的组织,力学性能和耐磨性。使用配备有能量色散X射线光谱仪(EDS)的光学和扫描电子显微镜(SEM)检查微观结构。使用真空电弧熔化制备了两种类型的合金。一种是具有和不具有诸如Mo和Zr的合金元素的Fe-28Al基合金(D0_3结构)。另一种是以相同方式生产的Fe-35Al基合金(B2结构)。对于两种合金,通过添加Mo观察到等轴组织,而通过Zr添加观察到树突结构。随着合金元素含量的增加,这些微观结构特征更加明显。关于机械性能和耐磨性,尤其是在高温区域,添加或不添加Mo的Fe-35Al基合金要优于Fe-28Al基合金。

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