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How about the stiffness of the aluminum alloys?

Super high strength aluminum alloys can be applied in the field like aerospace, transportation and building material design and others. The strength of this alloy is higher than crystallize metal. We can detect its micro-structure and performance through the microscope and X-ray tomography. Then we can know the minimum structure of the aluminum alloys is zigzag crystal, each dental diameter is only scores of nanometer. There are two factors of the high strength. Firstly, the arrangement mode of the internal alloy element add the receptive capacity. Secondly, it can increase the tooth fitness, which can reduce the embrittlement and breakage. Because of the hierarchical structure, it can become stronger and with ductility and can resist a large pressure.