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Mesoporous silica (MPS) with tunable mesopore channels can be used to reinforce polymers and has great potential in tribological applications, which is rarely investigated by research community. In this study, comprehensive properties of polyimide (PI)/MPS nanocomposites were investigated. The results demonstrated a slightly decreased tensile strength but increased modulus, microhardness and thermal...
The structural, electronic and mechanical properties of identified eutectic carbides of the self-designed Fe-Cr-Mo-W-V-C alloy were calculated by first-principles. The interfacial energies of γ-Fe/MxC (M=V, W or Mo) interfaces and the elastic energies were also considered to determine the stability of the carbides. The typical microstructures of this alloy at 1240°C and 1200°C were observed. The calculated...
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