supported by financial support from the National Natural Science Foundation of China(Nos.52275323 and 52125502).
Diffusion bonding of titanium and its alloys typically requires high temperatures,which may lead to structural deformation,grain coarsening,and deterioration in the properties of the workpiece.In this study,we achieve...
financially supported by the National Natural Science Foundation of China(Nos.51825401 and 52004077)。
Five Nb-16Si-20Ti-xMgO alloys(x=0,0.1,0.5,1.0 and 3.0)were prepared via arc melting in this study,and the effect of MgO addition on their phase composition,microstructure evolution,and mechanical properties was examin...
supported by the National Natural Science Foundation of China(Grant No.92062111);the National Key R&D Program of China(Grant No.2019YFC1903711).
Metal,as the indispensable material,is functioning the society from technology to the environment.Niobium(Nb)is considered a unique earth metal as it is related to many emerging technologies.The increasing economic gr...
the Key R&D Program of Shaanxi Province,China(No.2019ZDLGY04-05);the Natural Science Foundation of Shaanxi Province,China(No.2019JLZ-01);the Fundamental Research Funds for the Central Universities of China(Nos.19GH020302,3102019JC005,3102021ZD0401,3102021TS0406);the Science,Technology,and Innovation Commission of Shenzhen Municipality,China(No.JCYJ20180508151856806).
By taking tetragonal tungsten bronze(TTB)phase Nb_(18)W_(16)O_(93)as an example,an improved solid-state sintering method at lower temperature of 1000℃for 36 h was proposed via applying nanoscale raw materials.XRD,SEM...
This work was financially supported by the National Key R&D Projects(No.2019YFC1907101);the National Natural Science Foundation of China(No.U2002212);the State Key Laboratory for Advanced Metals and Materials(No.2019Z-05);the Fundamental Research Funds for the Central Universities(Nos.FRFIDRY-20-005 and FRF-TP-20-097A1Z);the Postdoctor Research Foundation of Shunde Graduate School of University of Science and Technology Beijing(No.2020BH012).
Combining the redox properties of Co and the acid properties of Nb in a Co_(3)-Nb-O_(x)catalyst is shown to provide superior performance in the selective catalytic reduction of NO with NH_(3)(NH_(3)-SCR).Co_(3)O_(4)sh...
National Key R&D Program of China(Grant No.2016YFF0200402).
Large-scale Josephson junction(JJ)arrays are essential in many applications,especially quantum voltage standards application for which hundreds of thousands of junctions are required to realize a high quantum voltage....
financially supported by Wuhan Iron&Steel Co.,Ltd.
The influence of Nb content on the microstructure and cryogenic mechanical properties of a 7%Ni steel was investigated within the Nb content range from 0 to 0.05%. The microstructure was characterized by optical micro...
Supported by the National 863 Program of China(No.2015AA042505);Hubei Department of Education Youth Program(No.Q20123001);Hubei Province Natural Science Foundation(No.2014 cfb177);Wuhan Huaxia Fine Blanking Technology Co.,LTD Program(No.YYYY2014-015)
The hot deformation behaviors of two medium carbon ultra-high strength steels with different niobium contents were investigated by using Zener-Hollmom parameter and processing map,and the effect of niobium addition on...
The characteristics and generation mechanism of(Ti,Nb,V)(C,N) precipitates larger than 2 μm in Nb-containing H13 bar steel were studied. The results show that two types of(Ti,Nb,V)(C,N) phases exist—a Ti-V-r...
Item Sponsored by the CITIC-CBMM Niobium Steel Research and Development Program of China(2013-D065)
The influences of nitrogen content and austenitization temperature on Nb(C, N) precipitation in niobium micro-alloyed steels were studied by different methods: optical microscopy, tensile tests, scanning electron m...