Increasing thermal conductivity in aluminium-copper compound castings: modelling and experimentsCompound castingmicrostructureintermetallicsinterfacemodellingoxygen-freeenvironmentCompound cast heat sinks have various advantages over conventionally manufactured ones, but oxides present on the metals and formation of a...
aluminium has been regarded as the poor relation to copper as an electrical conductor, but recent advances have meant that it is now an exceptionally high performance product that compares very favourably with copper in terms of mechanical strength, heat stability and thermal conductivity characteristics...
Aluminium vs Copper in power lines Hi, I have a question concerning the use of aluminium in power lines. I know that it's lighter than copper and thus cheaper, which is the main reason we prefer it above copper. But in fact alumunium has a lower conductivity than copper. Why is it th...
Their CFD analysis revealed that the heat transfer and thermal conductivity coefficient increased when a nanofluid is used compared to a pure fluid. 2.2.3 Using CuO nanoparticles Copper oxide (Cuo) based nanofluids have also been widely investigated in the context of heat transfer enhancement for ...
Evaporated copper phthalocyanine (CuPc) thin films in the form of metal-CuPc-metal sandwich structures have been extensively studied, particularly with regard to their electrical conductivity and its variation on exposure to various gases. In the present work, CuPc thin films doped by prolonged ...
The effects of annealing on the low-temperature specific heat of UBe13−xAlx were investigated on three single crystals of different size (0.62 mg, 1.64 mg, 5.94 mg; cf. Methods Section). In as-grown state, the small, medium and large crystal show Tc = 0.78 K, Tc...
Mathematical model of the remelting process of aluminium thin-walled and fine charge due to convective heat transfer was developed. On the basis of this model, an engineering calculation of the specific process of remelting used aluminium cans in the liquid aluminium stream was also carried out. ...
Copper clad aluminum wire, commonly known as CCA wire, is a composite wire composed of an aluminum core coated with a thin layer of copper. This wire is widely used in various industries and applications where a combination of electrical conductivity and cost-effe...
Uhlmann and Meier [28] developed a numerical model of the heat transfer mechanism using standardised industrial inserts. In their study, the heat flow is directed orthogonal to the rake face which is then conducted through the tool into a copper heat sink. The accumulated heat is then transferre...
A starter block is inserted into a copper or aluminium mould to create a seal. Molten metal is introduced into the mould and the starter block is lowered to extrude the desired shape. Water is circulated around the mould in a manifold to cool and solidify the metal (primary cooling). ...