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Micrestructure Characterization of Rapid Solidification Al Alloy Foil

机译:快速凝固铝合金箔的组织结构表征

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The AlMn and AlMnSi foils were fabricated by rapid solidification technology. The phase transformation temperatures, microstructures and distribution of elements were characterized by Differential Scanning Calorimetry (DSC), Transmission Electron Microscope (TEM), X-ray Diffraction (XRD) and Energy Disperse Spectroscopy (EDS) respectively. The result shows that the phases of AlMn7 nanofoil conclude Al, Al6Mn and quasicrystal phase, the crystal size is about 120nm; the phases of AlMn_5Si_5 nanofoil conclude Al, Al_(4.01)MnSi_(0.74) and Al_9Mn_3Si, the crystal size is about 60nm. The phase transformation temperatures of AlMn7 and AlMn5Si5 nanofoils are 543K and over 873K, respectively. The microstructure morphology of AlMn7 nanofoil are rod, block and petal-like, but the microstructure morphology of AlMn5Si5 nanofoil is homogeneous globular.
机译:AlMn和AlMnSi箔是通过快速凝固技术制造的。分别通过差示扫描量热法(DSC),透射电子显微镜(TEM),X射线衍射(XRD)和能量分散谱(EDS)表征了相变温度,元素的微观结构和分布。结果表明,AlMn7纳米箔的相为Al,Al6Mn和准晶相,晶体尺寸约为120nm。 AlMn_5Si_5纳米箔的相为Al,Al_(4.01)MnSi_(0.74)和Al_9Mn_3Si,晶体尺寸约为60nm。 AlMn7和AlMn5Si5纳米箔的相变温度分别为543K和873K以上。 AlMn7纳米箔的显微组织形态为棒状,块状和花瓣状,而AlMn5Si5纳米箔的显微组织形态为均匀球状。

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