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partitioning of ruthenium in Ni-based superalloys[C]// Superalloys. Warrendale, Pennsylvania: TMS, 2004: 735-741. [2] REED R C, YEH A C, TIN S, BABU S S, MILLER M K. Identification of the partitioning characteristics of ruthenium in single crystal superalloys using atom probe tomography[J]. Scripta Materialia, 2004, 51: 327-331. [3] GIAMEI A F, ANTON D L. Rhenium additions to a Ni-base......
; 1 Introduction Single crystal (SC) Ni-based superalloys for gas turbine have been developed to improve the thermal efficiency in industrial and jet engines due to their superior strength and better oxidation resistance. Several SC Ni-based superalloys have been developed by the modification of chemical......
Metallurgica, 1986, 20: 1395-1400. [15] BLAVETTE D, CARON P, KHAN T. An atom probe study of some fine-scale microstructural features in Ni-based single crystal superalloy[C]// Superalloys. Warrendale...; chemical segregation 1 Introduction In modern Ni-base superalloys, more and more alloying elements were added to enhance the solid solution strengthening effects, especially the refractory elements......
, GUO Jian-ting. Effect of element Hf on microstructure and mechanical behavior of hot corrosion resistant Ni-based superalloys[J]. The Chinese Journal of Nonferrous Metals, 2011, 21(5): 945-953. [11...; 文献标志码:A Influence of grain boundary sliding on ductility-dip cracking of Ni-based alloy CUI Wei, CHEN Jing......
Effects of rejuvenation heat treatment on microstructure and creep property of a Ni-based single crystal superalloyK.J.Tan1,2,X.G.Wang1,J.J.Liang1,J.Meng1,Y.Z.Zhou1,X.F.Sun11. Superalloys Division...">Both surface and internal microstructures of a second-generation Ni-based single crystal(SX) superalloy were studied after creep and rejuvenation heat treatment(RHT).It is indicated......
Densities of molten Ni-(Cr, Co, W) superalloys XIAO Feng(肖 锋)1, YANG Ren-hui(杨仁辉)1, FANG Liang(方 亮)2, LIU Lan-xiao(刘兰霄)1, ZHAO Hong-kai(赵红凯)1 1. Materials Interfacial Physical-Chemistry Research... concentrations while it decreases with increasing Cr concentration in the alloy at 1 773-1 873 K. The molar volume of Ni-based alloys increases with increasing W concentration while it decreases......
:A First-principles study of generalized stacking fault energy in Ni-based alloys WEN Yu-feng, SUN Jian, HUANG Jian,XING Hui (School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China) Abstract: The generalized stacking fault energies of Ni and Ni-based alloys with alloying elements of Cr, Co, Nb, Mo, W, Ru and Re were calculated using first-principles based......
FATIGUE CRACK PROPAGATION OF Ni-BASE SUPERALLOYS L.Z.Ma1,E.Barbero1,X.B.Liu1,K.M.Chang1 (1.Dept. of Mechanical & Aerospace Engineering, West Virginia University, Morgantown,WV 26506-6106, USA) Abstract:Time-dependent Fatigue Crack Propagation (FCP) behaviors of five Ni-base superalloys were investigated at various temperatures under fatigue with various holding times and sustained loading......
, is negative, so the substrate bears tensile stress. Both substrate and cladding layer belong to Ni-based superalloys, and their thermal expansion coefficients are almost the same. Thus, the value of residual... Microstructure of nanometer Al2O3 dispersion strengthened Ni-based high-temperature protective coatings by laser cladding WANG Hong-yu(王宏宇)1, 2, ZUO Dun-wen(左敦稳)1, SUN Yu-li(孙玉利)1, XU Feng(徐 锋)1......
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