GH4720Li合金中析出相的研究进展
Research progress of precipitated phase in GH4720Li superalloy
查看参考文献49篇
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文摘
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GH4720Li高温合金因其具有良好的高温强度、抗疲劳和抗腐蚀性能以及长期组织稳定性,被广泛应用于高性能航空发动机涡轮盘等转动部件。本文归纳了GH4720Li高温合金中γ′相的作用机理和演变规律,并分析了γ′相与高温性能之间的关联性和γ′相与残余应力的交互影响规律。此外,还综述了GH4720Li高温合金的改型研究进展,展望了未来分区控冷技术和双组织双性能盘制备技术在高温合金中的应用。 |
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其他语种文摘
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GH4720Li superalloy has been widely employed in high-performance aero engines turbine disks and other rotating component due to the excellent high temperature strength,anti-fatigue, corrosion resistance and long-term structural stability.The mechanism of function and evolution rule ofγ′phase in GH4720Li superalloy was summed up in this paper.The relationship betweenγ′phase and high-temperature properties and the interaction law ofγ′phase and residual stress were analyzed. In addition,the research progress of the new superalloy which was designed on the basis of GH4720Li superalloy was summarized,the future application of partitioned cooling technology and dualorganization dual-performance disk preparation technology was prospected. |
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来源
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材料工程
,2020,48(8):73-83 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2020.000182
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关键词
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GH4720Li高温合金
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析出相
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热加工
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服役性能
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残余应力
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新型合金
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地址
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1.
北京钢研高纳科技股份有限公司, 北京, 100081
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钢铁研究总院, 高温合金新材料北京市重点实验室, 北京, 100081
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中国航发南方工业有限公司, 湖南, 株洲, 410000
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中国航发湖南动力机械研究所, 湖南, 株洲, 412000
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1001-4381 |
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学科
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金属学与金属工艺 |
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基金
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国家自然科学基金面上项目
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文献收藏号
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CSCD:6794670
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