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Effects of electric field treatment on microstructures ofGH4199 superalloy after long-term aging LIU Yang(刘 杨)1, WANG Lei(王 磊)1, WANG Shuai(王 帅)1,QIAO Xue-ying(乔雪璎)2, WANG Yan-qing(王延庆)2 1. Key... Received 28 July 2006; accepted 15 September 2006 Abstract: The effects of electric field intensity and treatment temperature on the microstructures of GH4199 superalloy after long-term aging were......
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Mechanical properties and microstructure changes after long-term aging at 700℃ for a nickel-base superalloyShuangqun Zhao, Jianxin Dong, andXishan XieMaterials Science and Engineering School... properties and microstructure changes have been investigated on a new nickel-base superalloy after long-term aging at 700℃ It is found that the major precipitates of the tested alloy are MC, M23C6, M6C......
J. Cent. South Univ. (2020) 27: 325-333 DOI: https://doi.org/10.1007/s11771-020-4298-x Influence of long-term isothermal aging on microstructure and creep rupture properties of Ni-base superalloy... of long-term isothermal aging on microstructure and creep rupture properties of Ni-base superalloy M4706 [J]. Journal of Central South University, 2020, 27(2): 325-333. DOI: https://doi.org......
Microstructure evolution of a new directionally solidified Ni-based superalloy after long-term aging at 950 ℃ upto 1 000 h HUANG Yan1, WANG Lei1, LIU Yang1, FU Shun-ming1, WU Jian-tao2, YAN... after long-term aging at 950 °C was investigated. The results show that the γ ′ phase becomes more regular in dendritic arm and interdendritic area, while both the mass fraction and the size of γ......
">The relationship among B content,microstructure evolution and stress rupture properties of K4750 alloy during long-term aging were investigated.After aging at 800℃ for 1000 h,the decomposition degree of MC... in granular distribution and no η phases precipitation around them.Adding B could delay the agglomeration and coarsening of M23C6 carbides during long-term aging,which was because the segregation of B......
Role of Ru on the Microstructural Evolution During Long-Term Aging of Ni-Based Single Crystal SuperalloysWei Song,Xin-Guang Wang,Jin-Guo Li,Ye-Shun Huang,Jie Meng,Yan-Hong Yang,Jin-Lai Liu,Ji-De Liu... of γ′ phase of the alloy containing 2.5 and3.5 wt.% Ru during the long-term aging was controlled by the interface reaction and diff usion, respectively. The γ/γ′ lattice misfi t was more negative......
Microstructure and diffraction pattern changes resulted from long-term aging of martensite CuZnAlMnNi shape memory alloyBAI Yujun, WANG Shouren, and CI Guoqing Mechanical Department, Shandong..., China摘 要:<正>Microstructures of a CuZnAlMnNi shape memory alloy in the as-quenched and long-term aged conditions wereinvestigated by transmission......
Coarsening kinetics of γ’ precipitates in a Re-containing Ni-based single crystal superalloy during long-term agingJiachen Zhang,Lin Liu,Taiwen Huang,Jia Chen,Kaili Cao,Xinxin Liu,Jun Zhang,Hengzhi...’ precipitates in a Re-containing Ni-based single crystal superalloy were investigated during isothermal aging at 900,950 and 1000℃.After heat treatment,well-defined cuboidal γ’ precipitates with low misfit......
Microstructure Stability of V and Ta Microalloyed 12%Cr Reduced Activation Ferrite/Martensite Steel during Long-term Aging at 650℃Xiang Xiao1,2,Guoquan Liu1,3,Benfu Hu1,Jinsan Wang1,Wenbin Ma11... strength. Microstructure stability of the steel during long-term aging at 650 C was studied experimentally combined with the simulation of ThermoCalc and DICTRA software. The results show......
