نتایج جستجو برای: cu cr zr nanocomposite
تعداد نتایج: 123397 فیلتر نتایج به سال:
Results are presented for a ductile metal reinforced bulk metallic glass matrix composite based on glass forming compositions in the Zr-Ti-Cu-Ni-Be system. Primary dendrite growth and solute partitioning in the molten state yields a microstructure consisting of a ductile crystalline Ti-Zr-Nb beta phase, with bcc structure, in a Zr-Ti-Nb-Cu-Ni-Be bulk metallic glass matrix. Under unconstrained m...
This paper reports experimental results demonstrating nonmonotonic changes of the solid solution concentration in process high-pressure torsion preliminary aged Cu-Cr-Zr alloy. The which is very low initial state passes through a maximum before it finally stabilizes at lower value. Such behavior is, strictly speaking, impossible for purely diffusion-controlled under stationary conditions. Obser...
The increasing industrial activities, number of vehicles on road and population in large cities causes the contamination air urban environment, eventually affect human health. Therefore, aim this study was to collect soil dust samples from twelve roadside academic institutions Dhaka City, Bangladesh. One sites is control site for study. elemental (Ca, Fe, K, Ti, Sr, Zn, Zr, Rb, Cr, Ni, Pb Cu) c...
The selection and design of modern high-performance structural engineering materials such as nanostructured metallic multilayers (NMMs) is driven by optimizing combinations of mechanical properties and requirements for predictable and noncatastrophic failure in service. Here, the Cu/X (X = Zr, Cr) nanolayered micropillars with equal layer thickness (h) spanning from 5-125 nm are uniaxially comp...
This paper investigates the microstructural evolution and grain refinement kinetics of a solution-treated Cu-0.1Cr-0.06Zr alloy during equal channel angular pressing (ECAP) at a temperature of 673 K via route BC. The microstructural change during plastic deformation was accompanied by the formation of the microband and an increase in the misorientations of strain-induced subboundaries. We argue...
Junbiao Peng 1, Kuankuan Lu 1, Shiben Hu 1 ID , Zhiqiang Fang 1, Honglong Ning 1,* ID , Jinglin Wei 1, Zhennan Zhu 1, Yicong Zhou 1, Lei Wang 1, Rihui Yao 1,* ID and Xubing Lu 2 1 Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China; [email protected] (J.P.); kk-lu@f...
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