| 铸型搅动法细晶铸造对K418B合金整体涡轮组织和力学性能的影响 |
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| 引用本文： | 袁文明,刘发信.铸型搅动法细晶铸造对K418B合金整体涡轮组织和力学性能的影响[J].航空材料学报,1998,18(4):19-25. |
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| 作者姓名： | 袁文明 刘发信 |
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| 作者单位： | 北京航空材料研究院 |
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| 摘 要： | 铸型搅动法细晶铸造使Ｋ４１８Ｂ合金整体涡轮获得了细小、均匀的等轴晶粒，改善了合金中初生ＭＣ和γ′相的分布形态，并使它们的平均尺寸减小。细晶铸造Ｋ４１８Ｂ合金整体涡轮材料在４５０～６５０℃的低周疲劳寿命至少是普通铸造的４倍。
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| 关 键 词： | 铸造高温合金 铸型搅动 细晶铸造 低周疲劳 组织 |
INFLUENCE OF FINE GRAIN CASTING BY MOULD AGITATING ON THE STRUCTURES AND MECHNICAL PROPERTIES OF K418B INTEGRAL WHEEL |
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| Yuan Wenming,Liu Faxin,Tang xin.INFLUENCE OF FINE GRAIN CASTING BY MOULD AGITATING ON THE STRUCTURES AND MECHNICAL PROPERTIES OF K418B INTEGRAL WHEEL[J].Journal of Aeronautical Materials,1998,18(4):19-25. |
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| Authors: | Yuan Wenming Liu Faxin Tang xin |
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| Institution: | Beijing Institute of Aeronautical Materials |
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| Abstract: | |
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| Keywords: | cast superalloy fine grain casting mould agitating structures low cycle fatigue |
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