CO-SEGREGATION

作品数：8被引量：14H指数：3
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An effective strategy to inhibit grain coarsening:Construction of multi-element co-segregated grain boundary complexion
《Journal of Advanced Ceramics》2024年第7期1060-1071,共12页Le Fu Gabriel Arcuri Wenjun Yu Bohan Wang Zihua Lei Ying Deng Kathryn Grandfield 
the financial support of the National Natural Science Foundation of China(No.52102084);the Natural Science Foundation of Hunan Province(No.2022JJ30718);Kathryn Grandfield acknowledges funding from the Natural Sciences and Engineering Research Council of Canada(NSERC)discovery grant and research chair programs.
When exposed to moderate to high temperatures,nanomaterials typically suffer from severe grain coarsening,which has long been a major concern that prevents their wider applications.Here,we proposed an effective strate...
关键词：Zr_(2)-Si_(2) multi-element co-segregation grain boundary(GB)complexion grain coarsening atom probe tomography(APT) 
Atomic-scale mechanism of effect of co-separation of elements at interface of ferrite and austenite on Cr-depleted zone of duplex stainless steel
《Journal of Iron and Steel Research International》2024年第3期710-718,共9页Yan-hui Hou Ze-kun Xu Shi-long Zhou Guang-qiang Li 
supported by National Natural Science Foundation of China(Grant Nos.52004190 and 52274340).
Three-dimensional atom-probe tomography and first-principles calculation combined with density functional theory were used to study the effect of the co-segregation of different elements formed during the solidificati...
关键词：Duplex stainless steel Cr-depleted zone Intergranular corrosion CO-SEGREGATION First-principles calculation 
Effects of trace elements on mechanical properties of the TiZrHfNb high-entropy alloy
《Journal of Materials Science & Technology》2023年第21期135-147,共13页Xiaoyuan Yuan Yuan Wu Meisa Zhou Xiongjun Liu Hui Wang Suihe Jiang Xiaobin Zhang Honghui Wu Xiaochun Liu Zipan Chen Xiangqi Xu Zhaoping Lu 
This research was financially supported by the National Natural Science Foundation of China(Nos.11790293,52225103,51871016,52271003,52071023,52122408,and 52225103);the Funds for Creative Research Groups of China(No.51921001);Project of International Cooperation and Exchanges NSFC(No.52061135207,51961160729);National Key Research and Development Program of China(2022YFB4602101);Joint Project of NSFC(No.U20B2025111).
Refractory high-entropy alloys have great potential to be utilized as high-temperature materials,and the repeatability and reproducibility of their mechanical properties are critical for practical applications.In this...
关键词：High-entropy alloy IMPURITIES Grain boundary embrittlement Co-segregation effect 
Solute-solute interactions and their impacts on solute co-segregation and interfacial cohesion of{1012}twin boundary in zinc
《Journal of Materials Science & Technology》2023年第7期117-128,共12页Zhifeng Huang Jian-Feng Nie 
The authors acknowledge the financial support from the Australian Research Council(No.DP190102373);This work was supported by computational resources provided by the Australian Gov-ernment through National Computational Infrastructure(Raijin)and Pawsey supercomputing centre(Magnus)under the National Computational Merit Allocation Scheme(NCMAS).
Interactions of solute atoms in biodegradable zinc alloys and their effect on alloy mechanical properties have been less investigated.In this work,the interactions between the common solutes(Li,Mg,Mn,Cu,and Ag)used in...
关键词：Zinc alloys Twin boundary Solute-solute interaction Co-segregation Interfacial fracture 
Achieving high strength above 400 MPa in conventionally extruded Mg-Ca-Zn ternary alloys被引量：3
《Science China(Technological Sciences)》2022年第3期519-528,共10页DU Sen YANG Kun LI Man LI JingRen REN YuPing HUANG QiuYan PAN HuCheng QIN GaoWu 
supported by the National Natural Science Foundation of China(Grant Nos.51701211,and 51971053);the Project of Promoting Talents in Liaoning Province(Grant No.XLYC1808038);the financial assistance from Young Elite Scientists Sponsorship Program by CAST(Grant Nos.2019-2021QNRC001,and 2019-2021QNRC002);the Fundamental Research Funds for the Central Universities(Grant No.N2002011);the Joint Research Fund LiaoningShenyang National Laboratory for Materials Science(Grant No.2019JH3/30100040)。
In this work,the role of Zn content in modifying the microstructure and mechanical properties of the Mg-1.2Ca-xZn(x=0.6,2.0 wt.%,named as XZ10-0 and ZX21-0,respectively)based alloys was studied,and it is found that th...
关键词：wrought Mg alloy dynamic recrystallization mechanical property CO-SEGREGATION 
Effects of impurity elements on SiC grain boundary stability and corrosion被引量：5
《Nuclear Science and Techniques》2021年第11期77-95,共19页Jun Hui Bao-Liang Zhang Tao Liu Min Liu Wen-Guan Liu 
supported by the National Natural Science Foundation of China(Nos.11832019,11472313,11572355,and 11705264);the Science and Technology Plan Project of Guangdong Province(No.2020A0505020005);the Fundamental Research Funds for the Central Universities(No.19lgpy298);the State Key Laboratory of Powder Metallurgy;Central South University,Changsha,China。
Grain boundaries(GBs)have critical influences on the stability and properties of various materials.In this study,first-principles calculations were performed to determine the effects of four metallic impurities(Ni,Al,...
关键词：SIC First-principles calculation Grain boundary Impurity atom CO-SEGREGATION 
Overaging Phenomenon of Fe-2% Mn-Sb-Ce Structural Steels during Tempering被引量：2
《Journal of Rare Earths》2003年第S1期210-214,共5页郭爱民 袁泽喜 沈东东 贾娟 
ProjectsupportedbytheNationalNaturalScienceFoundationofHubeiProvince
The temper embrittlement of Fe-2%Mn-Sb-Ce structure steels was studied by measurements of the ductile-brittle transition temperature and observations by AES and SEM of the fracture surface of isothermally embrittle st...
关键词：temper embrittlement NON-EQUILIBRIUM CO-SEGREGATION CERIUM AES rare earths 
Fine mapping of the rice bacterial blight resistance gene Xa-4 and its co-segregation marker被引量：4
《Chinese Science Bulletin》2000年第19期1779-1782,共4页WANG Wenming ZHOU Yongli JIANG Guanhuai MA Bojun CHEN Xuewei ZHANG Qi ZHU Lihuang ZHAI Wenxue 
An F2 population developed from the Xa-4 near isogenic lines, IR24 and IRBB4, was used for fine mapping of the rice bacterial blight resistance gene, Xa-4. Some restriction fragment length polymorphism （R...
关键词：rice BACTERIAL blight resistance gene Xa-4 genetic map molecular marker. 
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