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作 者:Yan Zhao Hongyu Zhang Hua Wei Qi Zheng Tao Jin Xiaofeng Sun
机构地区:[1]Superalloys Division, Institute of Metal Research, Chinese Academy of Sciences [2]School of Materials Science and Engineering, Shanghai University
出 处:《Chinese Science Bulletin》2014年第15期1684-1695,共12页
基 金:supported by the National Basic Research Program of China (2010CB631206);the National Natural Science Foundation of China (50931004, 51071164, U1037601, and 50671102)
摘 要:With the development of nucleation theory,the calculation of phase diagrams(CALPHAD)method and microscopic elasto-plasticity mechanics,it is possible to apply the phase-field method to simulate the γrafting behavior of nickel-base single-crystal superalloys under the conditions of heat treatment,fatigue and creep testing.Based on the experimental progress in γrafting behavior and in combination with the microstructural simulation of the precipitation and rafting of c0phase,this paper reviews the phase-field investigation of γrafting in nickel–base single-crystal superalloys.With the development of nucleation theory, the calculation of phase diagrams(CALPHAD) method and microscopic elasto-plasticity mechanics, it is possible to apply the phase-field method to simulate the γ′ rafting behavior of nickel-base single-crystal superalloys under the conditions of heat treatment, fatigue and creep testing. Based on the experimental progress in γ′ rafting behavior and in combination with the microstructural simulation of the precipitation and rafting of γ′ phase, this paper reviews the phase-field investigation of γ′ rafting in nickel-base single-crystal superalloys.
关 键 词:镍基单晶高温合金 相场法 漂流 调查进展 镍基单晶超合金 结构模拟 弹塑性力学 成核理论
分 类 号:TG132.33[一般工业技术—材料科学与工程]
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