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Influence of Zr addition on the microstructures and mechanical properties of 14Cr ODS steels

文献类型：期刊论文

作者Zhang, Liye1; Yu, Liming1; Liu, Yongchang1; Liu, Chenxi1; Li, Huijun1; Wu, Jiefeng2
刊名MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
出版日期2017-05-17
卷号695期号:无页码:66-73
关键词Ods Steel Mechanical Property Interface
DOI10.1016/j.msea.2017.04.020
文献子类Article
英文摘要Oxide dispersion strengthened (ODS) steel is one of the most promising candidate structural materials for the high-temperature nuclear reactor application. In this study, two compositions of ODS steels (14Cr-ODS and 14Cr-Zr-ODS) were prepared to investigate the influence of Zr addition on the microstructures and mechanical properties of ODS steels. The microstructures, including dispersion morphology and crystal structures of oxide particles, particle-matrix interface coherency and particle-dislocation interactions, were characterized using TEM, HRTEM, and SEM, and the mechanical properties at room and high temperatures were measured using uniaxial tensile tests. Results show that Zr addition leads to the formation of finer precipitated particles, which was identified as rhombohedral Y4Zr3O12, with denser dispersion in the matrix. The calculation results reveal that the lattice misfit, delta, at the interface between particle and matrix increases as the particle size increases. In addition, the strength and elongation of ODS steels are improved with Zr addition due to the stronger interface bonding force between fine particles and matrix as well as the larger pinning effect of small particles to dislocation movements.
WOS关键词DISPERSION-STRENGTHENED STEEL ; OXIDE PARTICLES ; CLAM STEEL ; TEMPERATURE ; NANOPARTICLES ; SYNCHROTRON ; STABILITY ; ZIRCONIUM ; COHERENCY ; ALUMINUM
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000402354500009
资助机构International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; International Thermonuclear Experimental Reactor (ITER) Program Special Project(2014GB125006 ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; China National Funds for Distinguished Young Scientists(51325401) ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; National Nature Science Foundation of China(51474155 ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; Natural Science Foundation of Tianjin(14JCZDJC38700) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 2015GB107003) ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 11672200 ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175) ; 51674175)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/31922]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Liye,Yu, Liming,Liu, Yongchang,et al. Influence of Zr addition on the microstructures and mechanical properties of 14Cr ODS steels[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2017,695(无):66-73.
APA Zhang, Liye,Yu, Liming,Liu, Yongchang,Liu, Chenxi,Li, Huijun,&Wu, Jiefeng.(2017).Influence of Zr addition on the microstructures and mechanical properties of 14Cr ODS steels.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,695(无),66-73.
MLA Zhang, Liye,et al."Influence of Zr addition on the microstructures and mechanical properties of 14Cr ODS steels".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 695.无(2017):66-73.

入库方式： OAI收割

来源：合肥物质科学研究院

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