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  2. Plate heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Plate_heat_exchanger

    A plate heat exchanger is a type of heat exchanger that uses metal plates to transfer heat between two fluids. This has a major advantage over a conventional heat exchanger in that the fluids are exposed to a much larger surface area because the fluids are spread out over the plates.

  3. Materials for use in vacuum - Wikipedia

    en.wikipedia.org/wiki/Materials_for_use_in_vacuum

    304 stainless steel is a common choice of a stainless steel. 304L stainless steel, a low-carbon variant of 304 steel, is used for ultra-high vacuum systems. 316L stainless steel a low-carbon and low-magnetic stainless steel, used in accelerator technologies. 347 stainless steel does not accept high polish. 321 stainless steel is chosen when low ...

  4. Plate-fin heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Plate-fin_heat_exchanger

    A plate-fin heat exchanger is made of layers of corrugated sheets separated by flat metal plates, typically aluminium, to create a series of finned chambers. Separate hot and cold fluid streams flow through alternating layers of the heat exchanger and are enclosed at the edges by side bars. Principal Components of a Plate Fin Heat Exchanger

  5. Shell-and-tube heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Shell-and-tube_heat_exchanger

    Stainless Steel (e.g., 304, 316L, 904L): Stainless steel is commonly used in shell and tube heat exchangers due to its favorable combination of thermal conductivity, corrosion resistance, and mechanical strength. These alloys are suitable for a wide range of industries, including chemical, petrochemical, and food processing.

  6. List of thermal conductivities - Wikipedia

    en.wikipedia.org/wiki/List_of_thermal_conductivities

    860 Silicone Heat Transfer Compound: 0.66 8616 Super Thermal Grease II: 1.78 8617 Super thermal Grease III: 1.0 List, MG Chemicals [87] 233.15—473.15 205.15—438.15 205.15—438.15: These thermal greases have low electrical conductivity and their volume resistivities are 1.5⋅10 15, 1.8⋅10 11, and 9.9⋅10 9 Ω⋅cm for 860, 8616 and 8617 ...

  7. Direct bonding - Wikipedia

    en.wikipedia.org/wiki/Direct_bonding

    The procedural steps of the direct bonding process of wafers any surface is divided into wafer preprocessing, pre-bonding at room temperature and; annealing at elevated temperatures. Even though direct bonding as a wafer bonding technique is able to process nearly all materials, silicon is the most established material up to now. Therefore, the ...

  8. Passivation (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Passivation_(chemistry)

    In physical chemistry and engineering, passivation is coating a material so that it becomes "passive", that is, less readily affected or corroded by the environment. . Passivation involves creation of an outer layer of shield material that is applied as a microcoating, created by chemical reaction with the base material, or allowed to build by spontaneous oxidation

  9. Plasma-activated bonding - Wikipedia

    en.wikipedia.org/wiki/Plasma-activated_bonding

    Plasma-activated bonding is a derivative, directed to lower processing temperatures for direct bonding with hydrophilic surfaces. The main requirements for lowering temperatures of direct bonding are the use of materials melting at low temperatures and with different coefficients of thermal expansion (CTE) .