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首页> 外文期刊>Journal of Microscopy >Scanning and transmission electron microscopy microstructure characterization of mechanically alloyed Nb-Ti-Al alloys
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Scanning and transmission electron microscopy microstructure characterization of mechanically alloyed Nb-Ti-Al alloys

机译：机械合金化的Nb-Ti-Al合金的扫描和透射电镜显微组织表征

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摘要

Results are presented of an investigation of the microstructure development during mechanical alloying and following consolidation of an Nb15Ti15Al alloy. The alloy was synthesized from elemental as well as pre-alloyed powders. The microstructure of this material was examined by transmission electron microscopy, scanning electron microscopy and X-ray diffraction. The use of pre-alloyed TiAl powder for synthesis of the Nb15Ti15Al alloy meant that a much shorter time was required to complete the mechanical alloying process compared with the synthesis of elemental powders. The investigation indicates that three phases were present in the consolidated materials: the Nb solid solution, the Nb3Al intermetallic phase and the dispersoid.
机译：呈现了对机械合金化过程中以及固结Nb15Ti15Al合金后组织发展的研究结果。该合金是由元素粉末和预合金粉末合成的。通过透射电子显微镜，扫描电子显微镜和X射线衍射检查该材料的微观结构。使用预合金TiAl粉末来合成Nb15Ti15Al合金意味着与元素粉末的合成相比，完成机械合金化过程所需的时间要短得多。研究表明，固结材料中存在三个相：Nb固溶体，Nb3Al金属间相和弥散相。

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