A Phenomenological Analysis of Freckling in Directional Solidification of Ni-Base Superalloy: The Role of Edge and Curvature in Casting Components

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A Phenomenological Analysis of Freckling in Directional Solidification of Ni-Base Superalloy: The Role of Edge and Curvature in Casting Components

机译：Ni碱超合金定向凝固中雀斑的现象学分析：边缘和曲率在铸造组分中的作用

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The geometrical factor in freckle formation has rarely been taken into account. In this work, freckle formation in superalloy components is examined. It is found that freckle formation is subject to the effects of the edge and curvature. In polygonal casting sections, freckles are formed preferably on the convex edges. In the components with a curved contour, freckles are exclusively formed on the outward-curving surface having positive curvature.

机译：很少考虑雀斑形成的几何因素。在这项工作中，检查了超合金组分中的祛斑形成。发现祛斑形成受边缘和曲率的影响。在多边形铸件部分中，优选地在凸边上形成雀斑。在具有弯曲轮廓的部件中，雀斑专用于具有正曲率的向外弯曲表面上。

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《Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science》 |2020年第1期|共5页
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1. 在不同直径坩埚中定向凝固Sn−Ni包晶合金的宏观偏析和热溶质对流引起的雀斑缺陷 [J] . 彭鹏, 李升渊, 郑万朝, 中国有色金属学报：英文版 . 2021,第010期
2. A Phenomenological Analysis of Freckling in Directional Solidification of Ni-Base Superalloy: The Role of Edge and Curvature in Casting Components [J] . Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2020,第1期

机译：Ni碱超合金定向凝固中雀斑的现象学分析：边缘和曲率在铸造组分中的作用
3. Freckle Defect Formation near the Casting Interfaces of Directionally Solidified Superalloys [J] . Jianping Hong, Dexin Ma, Jun Wang, Materials . 2016,第11期

机译：定向凝固超合金铸造界面附近的雀斑缺陷形成
4. IDENTIFICATION AND EVALUATION OF FRECKLES IN DIRECTIONALLY SOLIDIFIED CASTING MADE OF PWA 1426 NICKEL-BASED SUPERALLOY [J] . B. CHMIELA, M. SOZANSKA, J. CWAJNA Archives of Metallurgy and Materials . 2012,第2期

机译：PWA 1426镍基高温合金定向凝固铸件中缺陷的鉴定与评估
5. Defect Reduction and Improved Casting Quality in Large Ni-Base Superalloy Castings via the Liquid-Metal Cooled (LMC) Directional Solidification Technique [C] . Andrew J. Elliott, Ganjiang Feng, Stephen J. Balsone, International Symposium on Processing and Fabrication of Advanced Materials(PFAM) XIV and Symposium on Frontiers in Materials Science 2005: Innovative Materials and Manufacturing Techniques; 20050925-28; Pittsburgh,PA(US) . 2005

机译：液态金属冷却（LMC）定向凝固技术在大型镍基高温合金铸件中减少缺陷并提高铸件质量
6. Directional solidification of large cross-section nickel-base superalloy castings via liquid-metal cooling. [D] . Elliott, Andrew J. 2005

机译：通过液态金属冷却对大截面镍基高温合金铸件进行定向凝固。
7. Freckle Defect Formation near the Casting Interfaces of Directionally Solidified Superalloys [O] . Jianping Hong, Dexin Ma, Jun Wang, 2016

机译：定向凝固超合金铸造界面附近的雀斑缺陷形成
8. A Phenomenological Analysis of Freckling in Directional Solidification of Ni-Base Superalloy: The Role of Edge and Curvature in Casting Components [O] . D. X. Ma, Z. H. Dong, F. Wang, 2019

机译：Ni碱超合金定向凝固中雀斑的现象学分析：边缘和曲率在铸造组分中的作用
9. Characterization of Casting Defects in Typical Castings of a Directionally Solidified Superalloy [R] . Marder, J. M., Kortovich, C. S. 1979

机译：定向凝固高温合金典型铸件铸造缺陷的表征

A Phenomenological Analysis of Freckling in Directional Solidification of Ni-Base Superalloy: The Role of Edge and Curvature in Casting Components

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