| 定向凝固涡轮叶片合金DZ22B的研究EI |
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| 引用本文： | 佘力,穆寿昌.定向凝固涡轮叶片合金DZ22B的研究EI[J].材料工程,1995(6):19-21. |
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| 作者姓名： | 佘力 穆寿昌 |
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| 作者单位： | 北京航空材料研究所 |
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| 摘 要： | ＤＺ２２Ｂ合金是在ＤＺ２２合金的基础上改型的定向凝固涡轮叶片合金，其成分特点是仅含１．０％的铪。合金的力学性能水平与美国著名的定向凝固高温合金ＰＷＡ１４２２相当。经长达５０００ｈ的高温曝晒，未发现ＴＣＰ相析出，力学性能基本稳定。合金已用作某涡轴型发动机高压涡轮叶片材料，并投入批量生产。
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| 关 键 词： | 耐热合金 定向凝固 涡轮叶片 航空发动机 |
Study of the Directionally Solidified Superalloy DZ22B for Turbine Blades |
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| She Li,Mu Shouchang, Wang Luobao.Study of the Directionally Solidified Superalloy DZ22B for Turbine Blades[J].Journal of Materials Engineering,1995(6):19-21. |
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| Authors: | She Li Mu Shouchang Wang Luobao |
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| Abstract: | Z22B is an improved directionally solidified suporalloy for turbine blades.The composition is charac-terized by only 1.0% Hf .It's mechanical properties are comparable to American famous directionally so-lidified superalloy PWA1 4 2 2.No TCP phase are found to precipitate after high temporature exposure for 500 0 hours. The mechanical properties remain steady. This alloy has been served as high pressure blade material in a aeroengine and become commercialized. |
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| Keywords: | suporalloy directional solidification turbine blade long -term exposure |
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