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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Ce对AZ91镁合金铸态组织细化的影响
, PP. 443-448
Keywords: AZ91镁合金,铈,显微组织细化
Abstract:
借助电子探针(EPMA)和X射线衍射仪(XRD)研究了Ce对AZ91镁合金铸态显微组织的影响。结果表明，少量的Ce对α-Mg基体有明显地细化作用，β-Mg17Al12相变得弥散细小，而且组织中形成了针状或杆状的Al4Ce化合物。随Ce量的增加，β-Mg17Al12相数量逐渐减少，Al4Ce化合物变得粗大。利用能谱分析和液淬技术研究了铸态组织的细化机制。
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