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Nanoparticles are potentially effective microstructural reinforcements for cementitious composites. Many properties of composites may change with the addition of nanoparticles. In this work, the workability, mechanical and microstructure properties of mortar containing four kinds of nanoparticles were evaluated, and these four kinds of nanoparticles were nano-Al2O3, nano-SiO2, nano-TiO2 and nano-ZnO...
An attractive way to enhance the ductility of ODS ferritic steels is to develop an alloy with a bimodal grain size distribution, in which the micron-sized coarse grains provide high ductility. The nanometer-sized fine grains enhance the tensile strength. The microstructures were obtained by blending the gas-atomized powders and mechanical alloyed powders, followed by hot forging and annealing. The...
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