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Thermite (/ ˈθɜːrmaɪt /) [1] is a pyrotechnic composition of metal powder and metal oxide. When ignited by heat or chemical reaction, thermite undergoes an exothermic reduction-oxidation (redox) reaction. Most varieties are not explosive, but can create brief bursts of heat and high temperature in a small area.
Tantalum carbides have metallic electrical conductivity, both in terms of its magnitude and temperature dependence. TaC is a superconductor with a relatively high transition temperature of T C = 10.35 K. [15] The magnetic properties of TaC x change from diamagnetic for x ≤ 0.9 to paramagnetic at larger x.
Aluminium-silicon alloys typically contain 3% to 25% silicon content. [1] Casting is the primary use of aluminum-silicon alloys, but they can also be utilized in rapid solidification processes and powder metallurgy. Alloys used by powder metallurgy, rather than casting, may contain even more silicon, up to 50%. [1]
Overview. Eutectic bonding is based on the ability of silicon (Si) to alloy with numerous metals and form a eutectic system. The most established eutectic formations are Si with gold (Au) or with aluminium (Al). [5] This bonding procedure is most commonly used for Si or glass wafers that are coated with an Au/Al film and partly with adhesive ...
Polydimethylsiloxane (PDMS), also known as dimethylpolysiloxane or dimethicone, is a silicone polymer with a wide variety of uses, from cosmetics to industrial lubrication and passive daytime radiative cooling. [1][2][3] It is particularly known for its unusual rheological (or flow) properties. PDMS is optically clear and, in general, inert ...
Particle temperature and velocity for different thermal spraying processes [1] Thermal spraying techniques are coating processes in which melted (or heated) materials are sprayed onto a surface. The "feedstock" (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame). Thermal spraying can provide thick ...
Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint, which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light. The powder may be a thermoplastic or a thermosetting polymer.
Powder metallurgy techniques usually consist of the compression of a powder, and heating (sintering) it at a temperature below the melting point of the metal, to bind the particles together. [1] Powder for the processes can be produced in a number of ways, including reducing metal compounds, [1] electrolyzing metal-containing solutions, [1] and ...