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Near net shape fabrication of anisotropic magnet using hot roll method
Summary:
ISU and Ames Laboratory researchers have developed a method of producing Nd-Fe-B magnets capable of operating at higher temperatures (T>150°C) without the addition of expensive heavy rare earth elements such as Dy. Mechanically milled Nd-Fe-B powder is loaded into a metal vessel which is hot rolled to produce fully dense magnets with...
Published: 7/2/2024
Category(s): Materials, Engineering & Physical Sciences, Energy, Cleantech & Environmental
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Universal Printing via Solvent Assisted Mechanical Bonding
Summary:
Iowa State University researchers have developed a method of using undercooled metal particles for adhesives to irregular surfaces, including to bio-based surfaces. Certain surfaces are difficult to adhere metal to. This technology allows the creation of heat-free mechanical-bonding driven, reversible printing of metallic conductive traces...
Published: 8/15/2022
Category(s): Engineering & Physical Sciences, Materials
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Process and annealing of a liquid metal composite with microstructure control for thermally conductive soft material
Summary:
Iowa State University researchers have developed a material where a liquid metal is embedded into an elastomer. The liquid metal particles can be annealed after stretching providing directionality to a high degree of thermal conductivity. ISURF #04968 describes a material similar to ISURF #04969 but is electrically insulative.
Description:...
Published: 8/15/2022
Category(s): Materials
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A method of patterning surface oxides or analogous adducts on the surface of a metal
Summary:
Iowa State University researchers have developed a method to create texture and patterns onto the surface of metal particles. Utilizing a thermal-oxidative compositional inversion (TOCI), these particles can be modified on their surface to create different reactivities and surface textures based on the oxidation that occurs on selective...
Published: 8/15/2022
Category(s): Materials
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Catalytic upcycling of polyolefins into fatty alcohols and fatty acids
Summary:
ISURF #05189 describes the conversion of waste polyolefins into fatty alcohols or fatty acids by early metal or lanthanide-catalyzed chain cleavage. The alcohols or acids derived by this method are high value and useful as surfactants, detergent agents, or lubricants.
Description:
The catalyst supports a pseudo reverse-polymerization...
Published: 8/17/2022
Category(s): Energy, Cleantech & Environmental, Materials, Ames Laboratory
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Acetylated methacrylated glycerol as a biobased substitute for hard, rigid thermoplastic and thermoset materials
Summary:
Iowa State University researchers have produced a hard block thermoplastic from glycerol. Glycerol, which is produced abundantly during biodiesel refinement, is reacted with methacrylic acid and acetic anhydride. The resultant product is a hard block thermoplastic with tunable characteristics from biorenewable materials.
Description:...
Published: 8/15/2022
Category(s): Engineering & Physical Sciences, Materials
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Interstitial Control during Additive Manufacturing
Summary: ISURF #4767 is a method to accurately predict, and thus control, the final composition of additively manufactured metal parts.Description: Metal-based additive manufacturing (AM) is a rapidly growing method in the production of intricate or complex parts. Currently, there is no standard method to predict the composition of the as-deposited...
Published: 2/16/2022
Category(s): Energy, Cleantech & Environmental, Materials
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Synthesis of pure or doped porous oxide materials through self-assembly of coordination polymerization
Summary:
A simple, effective and controllable synthetic method for porous materials for markets of photo-catalysis, carbon capture, gas storage & separation and beyond
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Description:
Porous materials are of technological significance in a broad range of market applications in catalysis, CO2 capture, gas storage,...
Published: 5/20/2024
Category(s): Engineering & Physical Sciences, Materials
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Concentration enrichment, separation, and cation exchange in water-in-oil droplets
Summary:
ISURF #05086 describes a type of droplet manipulation for microfluidic devices using interface electrokinetic ion concentration polarization (ICP). ICP is a phenomenon in which ionic species are locally enriched and depleted at opposing ends of an ion selecting mechanism such as a bipolar electrode. This allows a degree of control over...
Published: 2/16/2022
Category(s): Engineering & Physical Sciences, Materials
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Transition Metal Carbides for Direct Catalytic Methane Conversion
Summary: ISU researchers have developed a transition metal carbide for the conversion of methane into a variety of higher value chemicals. Particularly this technology enables conversion from methane to C2 hydrocarbons.Description: The conversion of methane to higher value chemicals presents many technical challenges that has thus far prevented commercial...
Published: 2/11/2022
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
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