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OALib Journal期刊
ISSN: 2333-9721
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熔体处理温度对镍基单晶高温合金熔体结构和凝固组织的影响
, PP. 920-924
Keywords: Ni基单晶高温合金,熔体结构
Abstract:
对一种NiCr-Co-W-Mo-Ta-Al-Ti系镍基单晶高温合金的合金熔体进行不同温度过热处理后,观察其凝固组织,并利用液态金属X射线衍射仪测试了合金熔体结构在1450-1600℃温度范围内的变化.结果表明,随着熔体处理温度的升高,合金熔体更加均匀;一次枝晶间距减小,偏析程度减轻;γ'形貌更方整、分布弥散;枝晶干与枝晶间γ'的尺寸差别减小.
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