CUBIC

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相关作者：庄卓李学敏陈国维程秀秀岳猛更多>>
相关机构：吉林大学华中农业大学郑州大学河南工业大学更多>>
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Orientation-dependent ductility and deformation mechanisms in body-centered cubic molybdenum nanocrystals
《Journal of Materials Science & Technology》2023年第23期107-113,共7页Huayu Peng Yuxuan Hou He Zheng Ligong Zhao Ying Zhang Weiwei Meng Ting Liu Peili Zhao Shuangfeng Jia Jianbo Wang 
supported by the National Natural Science Foun-dation of China(No.52071237,12074290,51871169,52101021,and 12104345);the Natural Science Foundation of Jiangsu Province(No.BK20191187);the Young Top-notch Talent Cultivation Program of Hubei Province,the Science and Technology Program of Shenzhen(No.JCYJ20190808150407522);the China Postdoctoral Science Foundation(No.2019M652685).
The knowledge regarding anisotropic mechanical behaviors in nanoscale body-centered cubic (bcc) metals remains obscure. Herein, we report the orientation-dependent ductility in bcc Mo nanocrystals (NCs), which exhibit...
关键词：In-situ tension test DUCTILITY CRACK Deformation twinning Dislocation slips Mo nanocrystals 
Deformation-induced interfacial-twin-boundary ω-phase in an Fe_(48)Mn_(37)Al_(15) body-centered cubic metastable alloy
《Journal of Materials Science & Technology》2023年第15期252-258,共7页Huabei Peng Xiao Yang Lixin Sun Liqiu Yong Jiazhen Yan Jinyong Zhang Bingnan Qian Yuhua Wen 
supported by the National Natural Science Foundation of China(Nos.51971152 and 51601216);the Postdoctoral Research Foundation of China(No.2020M682410);the Sichuan Science and Technology Program(No.2020YJ0258).
Omega(ω)phase has a trigonal or hexagonal crystal structure and was first discovered inβ-type Ti-Cr alloys[1].Since then,theω-phase has been widely reported in numerous group IV transition metal(Ti,Ta,Hf,and Zr)bas...
关键词：alloys ALLOY DEFORMATION 
Strong size effect on deformation twin-me diate d plasticity in body-centered-cubic iron被引量：1
《Journal of Materials Science & Technology》2023年第13期235-242,共8页Ligong Zhao Guoxujia Chen He Zheng Shuangfeng Jia Kaixuan Li Renhui Jiang Lei Li Ying Zhang Huayu Peng Peili Zhao Ziyang Huang Jianbo Wang 
supported by the National Natural Science Foundation of China (Nos.52071237,12074290,51871169,52101021,and 12104345);the Natural Science Foundation of Jiangsu Province (No.BK20191187);the Young Top-notch Talent Cultivation Program of Hubei Province,the Science and Technology Program of Shenzhen (No.JCYJ20190808150407522);the China Postdoctoral Science Foundation (No.2019M652685).
Deformation twinning serves as an important mode of plastic dissipation processes in nanoscale body-centered cubic(BCC)metals,but its origin and spatio-temporal features are mysterious.Here,applying in situ tensile ex...
关键词：Size effect Full dislocation Isosceles twin boundary Twin variant rotation TB cracking 
A unified model for ductile-to-brittle transition in body-centered cubic metals
《Journal of Materials Science & Technology》2023年第10期193-198,共6页Yu-Heng Zhang En Ma Jun Sun Wei-Zhong Han 
supported by the National Natural Science Foundation of China(Grant Nos.51922082 and 51971170)and the“111 Project"of China 2.0(Grant No.BP0618008).E.M.acknowl-edges XJTU for hosting his work at the Center for Alloy Innovation and Design。
Ductile-to-brittle transition(DBT)is a well-known phenomenon in body-centered-cubic(BCC)metals,in-termetallics and semiconductor materials.A quantitative prediction of the DBT temperature,however,has so far remained i...
关键词：METALS DUCTILE BRITTLE DISLOCATION MOBILITY 
Atomic scale investigation of FCC→HCP reverse phase transformation in face-centered cubic zirconium
《Journal of Materials Science & Technology》2023年第6期8-13,共6页Wenbin Guo Fuzhou Han Geping Li Yingdong Zhang Muhammad Ali Jie Ren Qichen Wang Fusen Yuan 
The authors appreciate Dr.Jinmin Liu and Dr.Xiaolan Wang for TEM measurements.
Mechanism of FCC→HCP reverse phase transformation in face-centered cubic zirconium(FCC-Zr)along with a concomitant 70.5°rotation ofα-Zr matrix were investigated in zircaloy-4(Zr-4)cladding tube by using transmissio...
关键词：ZIRCALOY-4 Reverse phase transformation Fcc-Zr phase Interaction 
Deformation twinning in octahe dron-base d face-centere d cubic metallic structures:Localized shear-force dipoles drive atomic displacements被引量：1
《Journal of Materials Science & Technology》2022年第31期116-126,共11页Hengfei Gu Chengze Liu Fusen Yuan Fuzhou Han Yingdong Zhang Muhammad Ali Wenbin Guo Jie Ren Lifeng Zhang Songquan Wu Geping Li 
Twinning is found to impart favorable mechanical,physical and chemical properties to nanostructured materials.Deformation twinning prevails in face-centered cubic(FCC)nanocrystalline materials upon loading.In FCC stru...
关键词：deformation CUBIC DIPOLE 
Martensitic twinning transformation mechanism in a metastable IVB element-based body-centered cubic high-entropy alloy with high strength and high work hardening rate被引量：2
《Journal of Materials Science & Technology》2022年第29期217-231,共15页Yuhe Huang Junheng Gao Vassili Vorontsov Dikai Guan Russell Goodall David Dye Shuize Wang Qiang Zhu W.Mark Rainforth Iain Todd 
Engineering and Physical Sciences Research Council(EPSRC)(No.EP/P006566/1)under Manufacture using Advanced Powder Processes(MAPP);the Henry Royce Institute for Advanced Materials,funded through EPSRC(Nos.EP/R00661X/1,EP/S019367/1,EP/P02470X/1 and EP/P025285/1);the UKRI for his Future Leaders Fellowship(No.MR/T019123/1)。
Realizing high work hardening and thus elevated strength–ductility synergy are prerequisites for the practical usage of body-centered-cubic high entropy alloys(BCC-HEAs).In this study,we report a novel dynamic streng...
关键词：Metastable high entropy alloy Work hardening rate Martensitic transformation Self-accommodating martensite Twinning transformation 
Interstitial concentration effects on incipient plasticity and dislocation behaviors of face-centered cubic FeNiCr multicomponent alloys based on nanoindentation
《Journal of Materials Science & Technology》2022年第17期212-221,共10页Quanqing Zeng Kefu Gan Fei Chen Dongyao Wang Songsheng Zeng 
financially supported by the Natural Science Foundation of Hunan province(nos.2021JJ40736,2019JJ60062 and 2020JJ6090)。
Interstitial atoms that commonly occupy the octahedral or tetrahedral interstices of face-centered cubic(FCC)lattice,can significantly affect the dislocation behaviors on deformation.Recently,interstitial doping has b...
关键词：Multicomponent alloy Interstitial atoms DISLOCATION Nanoindentation pop-in Incipient plasticity 
A pathway to improve low-cycle fatigue life of face-centered cubic metals via grain boundary engineering被引量：4
《Journal of Materials Science & Technology》2022年第18期82-89,共8页X.J.Guan Z.P.Jia S.M.Liang F.Shi X.W.Li 
supported by the National Natural Science Foundation of China(NSFC)(Nos.51871048 and 52171108);the Fundamental Research Funds for the Central Universities under(No.N2002014).
To probe a pathway to improve the low-cycle fatigue life of face-centered cubic(FCC)metals via grain boundary engineering(GBE),the tension-tension fatigue tests were carried out on the non-GBE and GBE Cu-16 at.%Al all...
关键词：Cu-Al alloy Grain boundary engineering Fatigue life Crack nucleation Stress amplitude 
Forging strength-ductility unity in a high entropy steel被引量：2
《Journal of Materials Science & Technology》2022年第18期158-165,共8页S.J.Tsianikas Y.Chen J.Jeong S.Zhang Z.Xie 
supported by an Australian Research Council Discovery Project(Grant No.DP160104632);an Aus-tralian Government Research Training Program Scholarship.Y.J.Chen acknowledges the support provided by the Australian Re-search Council(Grant No.DE210101773).
Fe_(72.4)Co_(13.9)Cr_(10.4)Mn_(2.7)B_(0.34)high entropy steel was prepared by magnetron sputtering.The alloy exhibits a high yield strength of 2.92±0.36 GPa while achieving appreciable plasticity of 13.7±1.9%at the ...
关键词：Deformation mechanisms Micromechanical testing Compositional fluctuations Body-centered cubic High entropy steel 
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