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Melt-spun aluminum ribbons with up to 5wt.% of embedded nano/micro boron nitride (BN) phases, namely multiwalled BN nanotubes (BNNTs) or BN microparticles (BNMPs), were fabricated by melt-spinning in an argon atmosphere. The comparative structural characteristics were analyzed using X-ray diffraction, scanning and transmission electron microscopy, and internal friction measurements as a function of...
The grain size of electrodeposited ultrafine grained nickel can be reduced from ∼300nm down to ∼60–150nm by adding ceramic nanoparticles such as Al 2 O 3 or SiO 2 . The first results are presented using temperature-dependent mechanical spectroscopy (vibrating reed technique at ∼200–800Hz) applied to pure Ni as well as to Ni nanocomposites with very small (7nm) SiO 2 ...
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