Influence of cooling way on microstructure and stress rupture property of DZ951 nickel base alloy

机译：冷却方式对DZ951镍基合金组织和应力断裂性能的影响

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The influence of different cooling during heat treatment on microstructure and stress rupture property of DZ951 alloy was investigated by optical microscope, SEM and TEM. The results show that the shape of MC carbide changes from Chinese script in as-cast alloy to small block with different cooling ways. The size of γ' phase decreases and the shape of γ' phase changes from cuboid to sphere with the increase of cooling rate. The γ' phase splits into eight small cuboids when the alloy is cooled by furnace cooling. The stress rupture life of the samples by air cooling is superior to that by other cooling way.

机译：通过光学显微镜，SEM和TEM研究了热处理过程中不同冷却方式对DZ951合金组织和应力断裂性能的影响。结果表明，在不同的冷却方式下，MC碳化物的形状从铸态合金到小块均发生了变化。随着冷却速率的增加，γ'相的尺寸减小，γ'相的形状从长方体变为球形。当合金通过熔炉冷却而冷却时，γ'相分裂为八个小的长方体。空气冷却样品的应力断裂寿命优于其他冷却方法。

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《International Workshop on Advanced Metallic Materials and Processing Techniques for Aeronautical Applications; 20051118-20; Nanjing(CN)》|2005年|P.90-93|共4页
会议地点 Nanjing(CN)
作者
Xia Peng-cheng; Yu Jin-jiang; Sun Xiao-feng; Guan Heng-rong; Hu Zhuan-qi;
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作者单位

Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类金属材料;
关键词
heat treatment; cooling; microstructure; stress rupture life;

机译：热处理;冷却;显微组织;应力断裂寿命;

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1. The influence of thermal exposure on the microstructure and stress rupture property of DZ951 nickel-base alloy [J] . P.C. Xia, JJ. Yu, X.F. Sun Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2007,第1a2期

机译：热暴露对DZ951镍基合金显微组织和应力断裂性能的影响
2. Influence of heat treatment on the microstructure and stress rupture property of DZ951 alloy [J] . P. C Xia, J. J. Yu, X. F. Sun, Journal of Materials Processing Technology . 2007,第1a3期

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3. Influence of Cooling Method on the Microstructure and Stress Rupture Property of a Single Crystal Superalloy [J] . Zhenxue Shi, Shizhong Liu, Xiaoguang Wang, Materials science forum . 2015,第期

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4. Influence of cooling way on microstructure and stress rupture property of DZ951 nickel base alloy [C] . Xia Peng-cheng, Yu Jin-jiang, Sun Xiao-feng, International Workshop on Advanced Metallic Materials and Processing Techniques for Aeronautical Applications . 2005

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7. The influence of composition upon the 1500⁰ F creep-rupture strength and microstructure of molybdenum-chromium-iron-nickel base alloys / [O] . Roche, T. K., U.S. Atomic Energy Commission., Union Carbide Corporation., 1958

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Influence of cooling way on microstructure and stress rupture property of DZ951 nickel base alloy

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