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Showing 1 to 7 of 7 for “"high energy mechanical milling"”.
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Effects of high energy mechanical milling on the kinetics of solid state reactions
The effects of high energy mechanical milling on the kinetics of solid state reactions in two binary metallic systems, Al-Ni and Cu-Al, and two metal-oxide systems, Al-TiO₂ and Cu(Al)-CuO, have been investigated by using X-ray diffractometry (XRD), differential thermal analysis (DTA), differential …
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Microstructure, Thermal Stability and Consolidation of Nanostructured and Ultrafine Structured Cu based Metal Matrix Composite and Alloy Powders Produced by High Energy Mechanical Milling
… particles were produced using two high energy mechanical milling (HEMM) routes respectively. The microstructural evolution of the as-milled Cu and Cu-Al2O3 composite balls/granules/powder particles produced using Route 1 (12hours) and Route 2 (Route 1 + 12 hours milling under …
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Thermal Stability, Microstructures and Mechanical Properties of Nanostructured/Ultrafine Structured Cu-5vol.%Al₂O₃ Nanocomposites Fabricated by High Energy Mechanical Milling and Powder Compact Extrusion
… aspect, ultrafine structured MMNCs have a higher room temperature strength and better high temperature performance due to grain boundary strengthening, nanoparticle strengthening and Zener pinning effects compared to their metal matrices. On the scientific aspect, there is the question of …
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Production and characterisation of nanoparticulate silicon photovoltaic devices
… silicon nanoparticles produced by means of high energy mechanical milling, as well as commercially sourced nanophase intrinsic silicon powder. Results from microscopy revealed that the nanoparticles had formed clusters that were capable of transporting charge through the device. Results from …
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Microstructure and mechanical properties of aluminium based nanocomposites strengthened with alumina and silicon carbide
… have a potential for offering good ductility, high strength, and high electrical and/or thermal conductivity, which make them ideal for engineering applications such as aerospace and automobile components. In order to achieve these goals the reinforcement phase needs to be in a particulate …
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Synthesis, microstructure and mechanical properties of bulk ultrafine grained Ti-47Al-2Cr (at%) alloy
… Ti/Al/Cr composite powders were produced using high energy mechanical milling of elemental Ti, Al, Cr powders in a retsch planetary mill. The microstructure and mechanical properties of the bulk consolidated alloy produced using different processing techniques has been investigated. The …
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Study of Titanium based Composite Coatings for Resistance against Molten Aluminium Soldering on H13 Tool Steel
… is limited predominantly by chemical corrosion, mechanical failure or mechanical wear. In the aluminium high pressure die casting industry, liquid aluminium is extremely reactive with the constituents of H13 die steel and has a tendency to form intermetallic layers. This chemical interaction …