WitrynaThe properties of Cu and Cu alloys can be enhanced by variations in composition and manufacturing methods. For example, lead (Pb) and tellurium (Te) can be added to Cu to improve machinability. Conversely, the presence of trace impurities in Cu and Cu alloys can adversely affect the properties of finished products. Witryna3 gru 2010 · In this paper, solute effects of non‐metallic (C, Cl, O and S) and metallic (Al, Co, In, Mg, Sn, and Ti) impurities on Cu elec‐tromigration were investigated. The Cu …
Diffusion coefficients of some impurities in silicon [20].
Witryna14 kwi 2024 · Cu-based catalysts for the conversion of C2H2 to C2H4 are plagued by side reactions. Here, Cu nanodots for C2H2 semihydrogenation are reported to reach current densities >400 mA cm−2 and ... WitrynaThe role of Cu impurity on the structure and electrochemical performance of Ni-rich cathode material for lithium-ion batteries. It is a challenge to completely eliminate … cultural workers canadian heritage
The role of Cu impurity on the structure and electrochemical ...
Witryna24 mar 2024 · Nonmagnetic impurities in iron-based superconductors can provide an important tool to understand the pair symmetry and they can significantly influence the transport and the superconducting behavior. Here, we present a study of the role of strong impurity potential in the Fe plane, induced by Cu substitution, on the … WitrynaThe Table shows the results of experiments for Cu purification from impurities using zone melting with various technological parameters. The best results for Cu purification were reached at the temperature of 1233 oC over the whole range of the change of ratio of liquid zone width to the bar length. The ultra-pure Cu with high Cu content of 99. ... Witryna24 sie 2024 · Provided is a high-strength steel sheet having a tensile strength of 1180 MPa or above and an excellent component strength, stretch flangeability, bendability, and delayed fracture resistance The high-strength steel sheet comprises a steel sheet, the steel sheet having: a component composition containing, by mass, 0.090%-0.390% … cultural worker meaning