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Assessment of thermo-mechanical fatigue in a nickel-based single-crystal superalloy CMSX-4 accounting for temperature gradient effects

文献类型：期刊论文

作者Sun JY(孙靖宇)1,3; Yang Shun3; Yuan Huang2,3
刊名MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
出版日期2021-03-30
卷号809页码:17
关键词Thermal gradient mechanical fatigue (TGMF) Temperat u r e gradient Thermal-mechanical phase angle Single crystal superalloy Fatigue life model
ISSN号0921-5093
DOI10.1016/j.msea.2021.140918
通讯作者Yuan, Huang(yuan.huang@tsinghua.edu.cn)
英文摘要Turbine blades are working under comple x thermal gradient mechanical loading conditions. In the present study, a nickel-based single-crystal superalloy CMSX-4 is experimentally and computationally investigated under the thermo-mechanical fatigue (TMF) and thermal gradient mechanical fatigue (TGMF) loading conditions of the in-phase and out-of-phase thermal-mechanical angel. The fatigue li f e of TGMF with and without the thermal barrier coating was studied. It was confirmed that the lifetime of TGMF is affected by the temperature gradient significantly and substantially differs from conventional isothermal high temperature fatigue and thermo-mechanical fatigue. Since conventional fatigue models fai l to characterize the TGMF, a modified model con-siders temperature gradient effects and thermal-mechanical phase angle and can describe the TGMF lifetime of the single-crystal superalloy reasonably.
分类号一类
资助项目National Natural Science Foundation of China[12002185] ; National Natural Science Foundation of China[51775294]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000633047700002
资助机构National Natural Science Foundation of China
源URL[http://dspace.imech.ac.cn/handle/311007/86368]  
专题力学研究所_非线性力学国家重点实验室
作者单位1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing, Peoples R China
2.Tsinghua Univ, Inst Aero Engines, Beijing, Peoples R China;
3.Tsinghua Univ, Sch Aerosp Engn, Beijing, Peoples R China;
推荐引用方式
GB/T 7714		 Sun JY,Yang Shun,Yuan Huang. Assessment of thermo-mechanical fatigue in a nickel-based single-crystal superalloy CMSX-4 accounting for temperature gradient effects[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2021,809:17.
APA 孙靖宇,Yang Shun,&Yuan Huang.(2021).Assessment of thermo-mechanical fatigue in a nickel-based single-crystal superalloy CMSX-4 accounting for temperature gradient effects.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,809,17.
MLA 孙靖宇,et al."Assessment of thermo-mechanical fatigue in a nickel-based single-crystal superalloy CMSX-4 accounting for temperature gradient effects".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 809(2021):17.

入库方式： OAI收割

来源：力学研究所

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