نتایج جستجو برای: copper composite
تعداد نتایج: 202928 فیلتر نتایج به سال:
Strengthening of copper matrix by dispersion of metallic oxides particles as an efficient way to increase strength without losing thermal and electrical conductivities has been recognized for many years. Such a composite can withstand high temperatures and keep its properties. Such copper alloys have many applications especially in high temperature including resistance welding electrodes, elect...
How to thermal decomposition of ammonium perchlorate and the energy realeased from it’s decomposition is effective on the burning rate of propellant.Therefore, various catalysts can be used to improve the combustion properties of ammounium perchlorate .Crystalline transition metal oxides (TMOs) with diverse morphological structure have attracted tremendous attention during the last decade. Amon...
A flexible non-enzymatic electrochemical sensor based on a braided copper cobaltite/MWCNT composite capable of detecting acetylcholine at sub-nanomolar level was developed to monitor released by human neural cells.
The details of a potentiodynamic preparation method for a composite nickel(II) and copper(II) hexacyanoferrate (MeHcF) and poly[8-(3-acetylimino-6-methyl-2,4-dioxopyran)-1-aminonaphthaline] (PAMDAN) on a platinum electrode, (Pt |PAMDAN|MeHcF) are reported. The cyclic voltamograms recorded the direct deposition and growth of inner layer (PAMDAN) and the outer layer (MeHcF) from their solutions. ...
Electrospinning is one of the most feasible techniques for producing nanoceramic fibers. In this paper, YBa2Cu3O7-δ (YBCO) superconductor nanofibers synthesized using electrospinning. The first step was preparation of a composite that is formed by mixing yttrium, barium, and copper acetates with different percent of polyvinyl alcohol (PVA). Then, the composite polymer has been electrospun to pr...
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