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welding (TIG) technique was employed to weld the nickel-based wrought superalloy GH625, and the microstructures, element distribution, grain boundary character and mechanical properties of the welded... to the presence of more contents of fine grains and twin boundaries, while the lower elongation in the welded joint was mainly owing to the precipitated δ phase. Key words: nickel-based wrought superalloy; TIG......
-jin, TIAN Su-gui, DONG Zhi-feng, et al. Creep behavior and damage feature of Re/Ru-containing single crystal nickel-based superalloy at high temperature[J]. The Chinese Journal of Nonferrous Metals... evolution and stability of second generation single crystal nickel-based superalloy DD5[J]. Transactions of Nonferrous Metals Society of China, 2016, 26(8): 2079-2085. [3] 孙晓峰, 金 涛, 周亦胄, 等. 镍基单晶高温合金研究进展[J......
我国高温合金的发展与创新师昌绪1,仲增墉2(1.北京市 国家自然科学基金委员会2.中国金属学会,北京 100711)摘 要:本文描述了我国高温合金的发展历程,近期的科技进步与创新和今后需进行的工作.关键词:高温合金......
, 1980: 205-214. [2] CETEL A D, DUHL D N. Second-generation nickel-base single crystal superalloy [C]//Superalloys 1988. Warrendale, PA: TMS, 1988: 235-244. [3] HU Zhuang-qi, LIU Li-rong, JIN Tao... during heat treatment [C]//Superalloys 2000. Warrendale, PA: TMS, 2000: 263-272. [14] CALDWELL E C, FELA F J, FUCHS G E. The segregation of elements in high-refractory-content single-crystal nickel-based......
, domains: 1290-1348 K, 0.2-0.5 s-1 and 1305-1370 K, 0.035-0.2 s-1; at ε=0.7, domains: 1290-1355 K, 0.042-0.26 s-1; at ε=0.9, domains: 1298-1348 K, 0.037-0.224 s-1. Key words: nickel-based superalloy; deformation activation energy; processing map; dynamic recrystallization 1 Introduction As a typical nickel-based alloy, Ni80A superalloy has been widely applied in the hot end components of a prime......
and Engineering A, 1995, 192-193: 899-907. [18] BOND S D, MARTIN J W. Surface recrystallization in a single crystal nickel-based superalloy [J]. Journal of Materials Science, 1984, 19: 3867-3872. [19] LI M...-NiMo phase; Ni3Al based single crystal superalloy 1 Introduction Single crystal superalloys possess important applications in gas turbine blades and vanes due to their excellent elevated temperature......
]. Scripta Mater, 1998, 39: 167-174. [16] HOPGOOD A A, MARTIN J W. The creep behaviour of a nickel-based single-crystal superalloy[J]. Mater Sci Eng A, 1986, 82A: 27-36. [17] CHEN Q Z, JONESA N, KNOWLES D M... of surface scale on single crystal nickel-base superalloy castings[6]. Intentional carbon addition also affects the segregation behaviour of the alloying elements. Comparison of experimentally measured......
G M, CUI C Y, ZHANG J X. Deformation mechanisms in a Co-rich nickel based superalloy with different size of γ′ precipitates[J]. Materials Letters, 2015, 152: 272-275. [6] JACKSON M P, REED R C. Heat...): 25-29. [29] ZHANG Ming-jie, LI Fu-guo, YUAN Zhan-wei, LI Jiang, WANG Shu-yun. Effect of heat treatment on the micro-indentation behavior of powder metallurgy nickel based superalloy FGH96[J]. Materials......
nickel based wrought superalloy which had been widely applied for the aerospace field, such as the turbine rotor of rockets and multiple airspace engines [1]. The chemical component of this superalloy was similar to the René 88DT superalloy, and it exhibited homologous deformation behavior characteristics as other nickel based wrought superalloys during high temperature deformation, including......
: The effects of the solution and quenching technics on the microstructure and creep properties of FGH95 nickel-based superalloy were investigated by measurement of creep properties and microstructure... why this alloy possesses relatively good creep resistance and long creep lifetime. Key words: high-temperature alloy; P/M nickel-based superalloy; FGH95 superalloy; heat treatment; microstructure......
