| 过热度对Ti-47Al-2Cr-2Nb缩孔缩松的影响研究 |
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| 引用本文： | 纪玮,刘宗德,张虎. 过热度对Ti-47Al-2Cr-2Nb缩孔缩松的影响研究[J]. 华北电力大学学报(自然科学版), 2011, 38(2) |
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| 作者姓名： | 纪玮 刘宗德 张虎 |
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| 作者单位： | 1. 华北电力大学,能源动力与机械工程学院,北京,102206
2. 北京航空航天大学,材料科学与工程学院,北京,100083 |
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| 摘 要： | 使用CaO坩埚真空感应熔炼的方法对Ti-47Al-2Cr-2Nb进行铸锭,然后通过改变过热度,从宏观和微观两方面对钛铝合金铸锭中缩孔缩松的位置及含量分别进行分析,经过大量实验,最终得出过热度对Ti-47Al-2Cr-2Nb铸锭缩孔缩松的影响规律。
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| 关 键 词： | 钛铝合金 缩孔缩松 过热度 |
Effect of overheat on shrinkage and porosity of Ti -47Al -2Cr -2Nb |
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| JI Wei,LIU Zong-de,ZHANG Hu. Effect of overheat on shrinkage and porosity of Ti -47Al -2Cr -2Nb[J]. Journal of North China Electric Power University, 2011, 38(2) |
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| Authors: | JI Wei LIU Zong-de ZHANG Hu |
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| Abstract: | Vacuum induction melting with CaO crucible was used for ingot casting Ti-47Al-2Cr-2Nb alloy in this paper.By changing the Superhat,the location and content of shrinkage and porosity in TiAl intermetallics were analyzed from macroscopic and microcosmic aspects.The rule of effections of superhat on shrinkage and porosity were obtained by many experiments. |
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| Keywords: | TiAl intermetallics shrinkage and porosity superhat |
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