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Pin-on-disk dry sliding wear tests at sliding speeds ranging from 0.6 to 1.25m/s and under loads ranging from 3.98 to 6.37MPa (50–80N) were conducted for pin specimens of composites with Al-5083 matrices reinforced with 5 and 10wt.% B 4 C particles. The wear rate of the composite with 10wt.% B 4 C was approximately 40% lower than that of the composite with 5wt.% B 4 C under...
In order to develop high-strength and lightweight MMCs, nanostructured composite powder consisting of an Al-5083 matrix reinforced with approximately 6.5vol.% nano-sized SiC particles (25nm in size) was synthesized via cryomilling. Two bulk composites made from 100% of the composite powder and a blend of the composite powder with 50wt.% conventional coarse-grained (unmilled) Al-5083 powder, respectively,...
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