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2 results about "Self-propagating high-temperature synthesis" patented technology
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Self-propagating high-temperature synthesis (SHS) is a method for producing both inorganic and organic compounds by combustion-like exothermic reactions in solids of different nature. A variant of this method is known as solid state metathesis (SSM). If the reactants, intermediates, and products are all solids, it is known as a solid flame. Since the process occurs at high temperatures, the method is ideally suited for the production of refractory materials with unusual properties, for example: powders, metallic alloys, or ceramics with high purity, corrosion–resistance at high–temperature or super-hardnessity.
A method for preparing ceramic matrix composite coatings based on laser-induced self-propagating high-temperature synthesis using powder-core wire.
ActiveCN117987831BMetallic material coating processesSelf-propagating high-temperature synthesisHigh energy laser beam
This invention discloses a method for preparing ceramic-based composite coatings using a laser-induced self-propagating high-temperature synthesis method based on powder-core wire. This method combines laser filament melting technology with a self-propagating high-temperature synthesis method, utilizing a high-energy laser beam to trigger the periodic self-propagating combustion reaction of the powder-core wire. Using powder-core wire instead of powder as the precursor material for coating preparation effectively reduces the dilution effect of the titanium alloy substrate on the coating microstructure. This method can synthesize ceramic-based composite coatings with a dense and uniform microstructure and microhardness values close to the theoretical values, showing broad application prospects.
Owner:TIANJIN UNIV
Metallic compounds and metallic matrix composites made using compression activated synthesis
PendingUS20260138181A1Transportation and packagingMetal-working apparatusSelf-propagating high-temperature synthesisMetal matrix composite
Articles are manufactured using self-propagating high-temperature synthesis (SHS) reactions. Particulates including reactants can be blended to form a particulate blend. The particulate blend can be preformed. The preform article can be heated to a pre-heat temperature being below an auto-activation temperature and above a minimum compression activated synthesis temperature. Compressive stress can be exerted on the preform article at the pre-heat temperature to initiate the SHS reaction between the reactants and thereby form a product metallic compound. At approximately peak temperature, a flow stress of the product metallic compound can be exceeded to substantially reduce porosity and thereby form a shaped substantially dense article.
Owner:PARKER LODGE HLDG LLC +1