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The dry sliding wear behaviors of Mg based nanocomposites were investigated using the ball-on-disk wear tester. The friction coefficient of Mg nanocomposite reinforced with 15 vol% SiC nanoparticles is much higher than pure Mg and AZ31B alloy. Its wear resistance is about 23 times higher than that of pure Mg. Analysis on the surface and debris suggests that the delamination mechanism of Mg has been...
We investigated the carrier transport mechanism at Al/n-type 4H-SiC contacts. As-deposited Al exhibited the good ohmic behavior, while the thermal annealing leads the significant degradation of contact properties, i.e., the specific contact resistance was 3.97 × 10−3, 4.1 × 10−2, and 0.153 Ω cm2 for the as-deposited, 200 and 400 °C-annealed condition, respectively. The ohmic mechanism of as-deposited...
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