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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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定向凝固NiAl-28Cr-5.5Mo-0.5Hf合金中Ni2AlHf相和Ni16Hf6Si7相的研究
, PP. 1151-1154
Keywords: 定向凝固,高温合金
Abstract:
少量的Ｈｆ（０．５％）加入到定向凝固的ＮｉＡｌ－Ｃｒ（Ｍｏ）合金中,会产生Ｈｅｕｓｌｅｒ相Ｎｉ２ＡｌＨｆ,该相呈网状分布在ＮｉＡｌ／Ｃｒ（Ｍｏ）相界面区域,Ｎｉ２ＡｌＨｆ与ＮｉＡｌ之间不存在固定的晶体学取向关系,但有时也发现二者存在立方－立方取向关系「１１１」ＮｉＡｌ∥「１１１」Ｈ,（１０１）ＮｉＡｌ∥（２０２）Ｈ,并通过高分辨电子显微片分析了是面的精细结构.
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