2024-1-12025-04-14https://scholars.lib.ntu.edu.tw/handle/123456789/727410Semi-solid aluminum alloydeformation-induced macrosegregationhot tearingmultiscale microstructural analysissynchrotron X-ray imagingdigital image processingcomputational phase diagramphase-field methodparticulate discrete element methodrheology o半固態鋁合金變形誘發宏觀偏析熱裂多尺度微結構分析同步輻射X光顯像數位影像處理計算相圖相場方法顆粒材料離散元素法多相系統流變學有限元素法本構模型