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Tensile tests of polymethylmethacrylate (PMMA) at quasi-static loading conditions and at intermediate strain rates were performed on MTS810 materials test system and on a self-developed intermediate strain rate materials testing apparatus, respectively. The tested results show that the mechanical properties of PMMA are strongly rate sensitive: When the strain rate increases, the strength and initial...
Alumina particles reinforced aluminum-based metal matrix composite is produced by sintering an Al-10 wt.%ZnO sample at 1000 o C. During sintering, alumina particles are in situ formed by the displacement reaction between Al and ZnO. Some of the reduced Zn dissolves into the molten Al, while most of them vaporize at high temperature. It is found that the distribution of the alumina particles...
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