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rate on grain structure evolution during directional solidification(DS) of a Ni-based superalloy was explored.It was found that a high solidification rate led to sharper <001> texture...Effect of Solidifcation Rate on Grain Structure Evolution During Directional Solidifcation of a Ni-based SuperalloyXiaoli Zhang1,Yizhou Zhou1,Tao Jin1,Xiaofeng Sun1,Lin Liu21. Institute of Metal......
in the regions near the sphere-like μ phase in 4.5%Re alloy, which is a main reason reducing the stress rupture lifetimes of the alloy a small extent. Key words: single crystal nickel-based superalloy...] SIMONETTI M, CARON P. Role and behavior of ? phase during deformation of a nickel-based single crystal superalloy[J]. Mater Sci Eng A, 1998, 254: 1-12. [12] ZHAO K, MA Y H, LOU L H, HU Z Q. μ phase......
Single-walled Carbon Nanotubes Regularly Aligned in Channels of Zeolite Single Crystal Jiannong Wang1,Handong Sun1,Zi Kang Tang1 (1.Physics Department, Hong Kong University of Science and Technology,Clear Water Bay, Kowloon, Hong Kong, China) 摘要: We report the synthesis of single-wall carbon nanotubes (SWCNs) formed in 1-nm-sized channels of zeolite crystal by pyrolysis of tripropylamine......
测结果一致.成分分析表明,相同稳态条件下枝晶的一次间距变小,偏析也有所降低. 关键词:单晶高温合金; 生长速率; 跃迁; 一次间距; 微观偏析; single crystal superalloy; growth rate; transition; primary dendrite arm spacing; microsegregation; [全文内容正在添加中] ......
Design and development of a high-performance Ni-based superalloy WSU 150 for additive manufacturingPraveen Sreeramagiri,Ajay Bhagavatam,Abhishek Ramakrishnan,Husam Alrehaili,Guru Prasad... for additive manufacturing.A new Ni-based superalloy has been developed by the application of the combinatorial alloy development technique coupled with CALPHAD based solidification modeling by effectively......
Effects of solidification parameters on microstructure and mechanical property of a Ni-based superalloy K35 bladeXUE Xiang,and XU Lin National Key Laboratory for Precision Hot Processing of Metals,Harbin Institute of Technology,Harbin 150001,China摘 要:A gas turbine blade of Ni-based superalloy K35 was chosen as the test casting and the effects......
-based single crystal superalloy [J]. Rare Metal Materials and Engineering, 2007, 36(2): 332-334. (in Chinese) [11] POURANVARI M, EKRAMI A, KOKABI A H. Effect of bonding temperature on microstructure.... (in Chinese) [4] REED R C, TAO T, WARNKEN N. Alloys-by-design: Application to nickel-based single crystal superalloys [J]. Acta Materialia, 2009, 57(19): 5898-5913. [5] IDOWU O A, RICHARDS N L, CHATURVEDI M C......
Crystal Growth and Properties of Co2+ doped Y3Sc2Ga3O12 Single Crystal郭世义,袁多荣,石绪忠,程秀凤,张希清,于法鹏摘 要:Single crystal of cobalt (Co)-doped Y3Sc2Ga3O12 (YSGG) with the dimensions up to Φ20×40 mm3 and undoped YSGG crystal with the dimensions up to Φ28×60 mm3 have been grown using the Czochralski technique. The structure of the crystal was characterized by the X......
): 937-944.MA Wen-you, LI Shu-suo, QIAO Min, GONG Sheng-kai, ZHENG Yun-rong, HAN Ya-fang. Effect of heat treatment on microstructure and stress rupture life of Ni-base single crystal superalloy[J]. The Chinese...-xun, GOU Wen-xuan, YUE Zhu-feng. Crack propagation paths and fracture of Ni-based single crystal[J]. Rare Metal Materials and Engineering, 2007, 36(9): 1549-1553. [11] PARDOEN T, HUTCHINSON J W......
Technology, Pohang University of Science and Technology摘 要:The deformation behavior in magnesium single crystal under c-axis tension is investigated... at the temperature of 570 K. The non-basal slip plays an important role on the tensile deformation in magnesium single crystal at high temperatures.关键词:......