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manu factured nickel-based superalloy.关键词:...The simultaneous improvements of strength and ductility in additive manufactured Ni-based superalloy via controlling cellular subgrain microstructureYanan Zhao1,Zongqing Ma1,Liming Yu1,Ji......
粉末冶金高温合金FGH97的低周疲劳断裂特征张莹1,张义文1,张娜1,刘明东1,刘建涛1(1.北京市钢铁研究总院高温材料研究所)摘 要:研究了粉末冶金镍基高温合金FGH97在650℃,30-980 MPa,1 Hz实验条件下的低周疲劳断口的宏观及微观特征,裂纹源的类型及其形貌特征,以及裂纹源的位置,缺陷类型,形状和尺寸对低周疲劳寿命的影响.结果表明,在本次实验条件下该合金的低周疲劳寿命均超过了5000 cyc;统计得出,低周疲劳断口裂纹源在表面的试样占23%,在亚表面的占47%,在试样内部的占30%;裂纹源分平......
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% Al, respectively. Excellent high temperature oxidation resistance and superior pore conformation stability for the Ni-16Cr-xAl based superalloy foam with 9% Al can be mainly attributed to the formation of relatively continuous and protective Al2O3 oxides on the surface of the foam.Key words:Ni-Cr-Al based superalloy foam？ high temperature oxidation？ oxide scale？ pore conformation stability......
Recrystallizaiton Behavior of Directionally Solidified DZ4 Superalloy TAO Chun-Hu1,LI Yun-ju1,ZHANG Wei-fang1 (1.Failure Analysis Center of AVIC, Beijing Institute of Aeronautical Materials, Beijing, China) 摘要:This article investigated effects of degrees of deformation, heat treatment temperatures and holding times on the recrystallization behavior of directionally solidified DZ4 superalloy......
Trans. Nonferrous Met. Soc. China 29(2019) 338-348 Numerical simulation of dendrite growth in Ni-based superalloy casting during directional solidification process Xue-wei YAN1, Xiong GUO2,3, Yan... dendrite arm spacing. Key words: numerical simulation; directional solidification; dendrite growth; Ni-based superalloy 1 Introduction Ni-based superalloy turbine blades serving under a high temperature......
? precipitates in weld heat affected zone microfissuring of a nickel-based superalloy[J]. Materials Science and Engineering A, 2005, 403: 77–86. [10] ZHONG Min-lin, SUN Hong-qing, LIU Wen-jin, ZHU Xiao-feng...-lin, YANG Lin, LIU Wen-jin. Laser rapid manufacturing of special pattern Inco 718 nickel based alloy component[J]. Proc of SPIE, 2005, 5629: 59?66. [6] HUANG Wei-dong, YANG Hai-ou, CHEN Jing, LIN Xin......
Effect of Ce+ Ion Implantation upon Oxidation Resistance of Superalloy K38G Li Meishuan1,Qian Yuhai2,Zhao Youming3,Duo Shuwang1 (1.Shenyang National Laboratory for Materials Sciences, Institute... Company,Zhenjiang 212000,China) Abstract:The oxidation behavior (isothermal and cyclic oxidation) of cast superalloy K38G and the effect of Ce+ ion implantation with dose of 1×1017 ions/cm2 upon its......
and applications [M]. Cambridge: Cambridge University Press, 2006. [4] JABLONSKI P, COWEN C. Homogenizing a nickel-based superalloy: Thermodynamic and kinetic simulation and experimental results [J... coefficients were compared with other two commercial Nb-bearing superalloys. Key words: INCONEL718; superalloy; homogenization; Laves phase; segregation 1 Introduction Ni-based superalloys......
