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EXPERIMENTAL INVESTIGATION AND THERMODYNAMIC CALCULATION ON PHASE PRECIPITATION OF INCONEL 740 J.X. Dong1,S.Q. Zhao2,X.S. Xie1,Y. Jiang3 (1.High Temperature Materials Research Laboratories... Institute, Yinchuan 750021, China) Abstract:A novel nickel-based superalloy INCONEL 740 was under development for application in ultra-supercritical superheater tubers above 750℃. The precipitation......
Effect of second phase precipitation behavior on mechanical properties of casting Al-Cu alloys ZHAO Wen-gui(赵文贵), JIANG Qi-chuan(姜启川), WANG Jin-guo(王金国), LI Yong(李永), HOU Jing-qi(侯景琦) Key..., resulting from Ω and θ′ precipitation phases, and decreases due to Ω phases becoming coarser and θ′ precipitation decreasing with the aging time increasing from 10 h to 20 h at 165 ℃. Ω phase becoming......
Retarding the precipitation of η phase in Fe-Ni based alloy through grain boundary engineeringHonglei Hu1,2,Mingjiu Zhao1,Lijian Rong11. Key Laboratory of Nuclear Materials and Safety Assessment... treatment for long time.The reason for GBE in inhibiting precipitation of η phase can be attributed to not only introducing high fraction of SBs but also breaking the connectivity of RGB networks.As......
that the precipitates are β-Ni3Si and δ-Ni2Si phases. Key words: Cu; Cu-Ni-Si alloy; dynamics; phase transformation; precipitation; electrical conductivity 1 Introduction Cu-Ni-Si alloys are used...-Si alloy based on phase field model [J]. Materials Letters, 2008, 62: 3039-3042. [13] HUANG Fu-xiang, MA Ju-sheng, NING Hong-long, CAO Yu-wen, GENG Zhi-ting. Precipitation in Cu-Ni-Si-Zn alloy......
of solute atoms frequently bring about grain boundary precipitation of a second phase because of its making the solubility limit of the solute surpassed at grain boundaries. Until now the kinetic...GRAIN-BOUNDARY PRECIPITATION UNDER IRRADIATION IN DILUTE BINARY ALLOYS S.H.Song1,J.Liu1,R.G.Faulkner2,Z.X.Yuan1 (1.School of Materials and Metallurgy, Wuhan University of Science and Technology......
investigations of hexagonal phase precipitation in Zn-12wt%Al-1wt%Cu and Zn-27wt%Al-2wt%Cu alloys [J]. Acta Metall Mater, 1991, 39: 2177-2183. [15] ZHU Y H, TORRES-VILLASE?OR G, PI?A C. Complex microstructural... Phase transformation behavior in Al-Zn-Cu alloys by hammering CHEN Hui(陈辉), ZHENG Xi-jian(郑夕健), LUO Ji-man(罗继曼), HAN Ze-guang(韩泽光) School of Traffic and Mechanical Engineering, Shenyang Jianzhu......
peak aged at 160 oC. Correspondingly, the possible reasons for such phenomena are discussed. Key words: ageing temperature; precipitation; Al–Cu–Li–Mn–Zr alloy; T1 phase; χ (Al5Cu6Li2) phase Cite... will be the mainstay on the contrary. Moreover, numerous studies have shown that minor solute additions of Mg, Ag and Zn to Al–Cu–Li alloys can promote the precipitation of the T1 phase and precipitate......
85 μm to 30 μm, decreases the precipitation temperature of Ω phase. Moreover, the addition of Yb into Al-Cu-Mg-Ag alloy decreases the precipitates size, and improves the density and the thermal stability of Ω phase between 200 ℃ and 300 ℃. Key words: aluminum alloy; Yb addition; precipitation; microstructure; mechanical properties  ......
J. Cent. South Univ. (2017) 24: 48-55 DOI: 10.1007/s11771-017-3407-y Liquidus and phase equilibria in CaO-SiO2-5%MgO-20%Al2O3-TiO2 system SUN Li-feng(孙丽枫)1, 2, SHI Jun-jie(石俊杰)1, 2, ZHANG Bo(张波)1, 2... technique (SHTT) and high temperature equilibrium technique were combined to investigate the phase diagram of the CaO-SiO2-5%MgO-20%Al2O3-TiO2 system. The 1300 °C to 1500 °C liquidus lines......
Phase Transformation and Carbide Precipitation of Functional Gradient Semi-solid 9Cr18 SteelYong-Jin Wang1,2,Ren-Bo Song1,Ren-Feng Song31. School of Materials Science and Engineering, University of Science and Technology Beijing2. Institute of Industrial Science, The University of Tokyo3. Ansteel Mining Engineering Corporation摘 要:The unique phase......