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Search Results - Engineering & Physical Sciences

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Converting levulinic acid to olefins and aromatics (i.e. hydrocarbon fuels) in a single process step without external hydrogen gas
Summary: Iowa State University researchers have developed a new catalyst that effectively converts levulinic acid to butene in a single pot process at high conversion rates and with good selectivity towards butene. As butene is insoluble in the aqueous reaction and readily separates into a second phase, allowing unconverted levulinic acid to be rea...
Published: 2/21/2018
Category(s): Engineering & Physical Sciences, Materials
Feedstock and Heterogeneous Structure for Tough Rare Earth Permanent Magnets and Production Process Thereof
Summary: Iowa State University and Ames Laboratory researchers have developed a method for producing rare earth permanent magnets (REPMs) that reduces their susceptibility to breakage. The process involves unitizing a bimodal or multimodal size distribution of powders in isostatic pressing, which minimizes crack propagation along the grain boundari...
Published: 2/21/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
Additive manufacturing of chemically active materials
Summary: ISU researchers in conjunction with Ames Laboratory have developed a method that can 3D print chemically active materials for catalytic applications. Description: Iowa State University researchers in conjunction with Ames Laboratory have made several advances in additive manufacturing (3D printing) devices that now allow for control of ch...
Published: 1/24/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials, Research Tools & Design Tools
Magnetic two-way valves for paper based microfluidics: pathway for multi-step assays
Summary: ISU researchers developed a paper-fluidic valve that can reversibly switch fluid delivery into multiple channels with controlled volume and/or frequency. In terms of electric circuit equivalence, this valve is akin to a transistor or an SPDT relay, hence enables programmable fluid delivery. Stage1.png Development Stage: Description: Poin...
Published: 11/10/2017
Category(s): Engineering & Physical Sciences, Healthcare, Life Sciences, Medical Devices, Research Tools & Design Tools, Sensors & Controls
Particle jamming for controllable adhesion
Summary: Iowa State University researchers have developed a technology where an adhesive can be rapidly switched from a high to low state through a digital or mechanical trigger, enabling adhesion at surfaces to be controlled. The adhesive is strong, yet easily removable and reusable. Stage1.png Development Stage: Description: Iowa State Univers...
Published: 10/18/2017
Category(s): Engineering & Physical Sciences, Materials
Point heating-probing method for thermal conductivity measurement of bulk and film-like materials
Summary: Iowa State University researchers have developed a novel point heating-probing device and method for measurement of thermal conductivity of bulks and film-like materials. This steady-state method uses a continuous laser to heat one tiny point on the bulk, and then measure another point for temperature drop to determine materials’ the...
Published: 10/13/2017
Category(s): Engineering & Physical Sciences, Research Tools & Design Tools, Sensors & Controls
Hearing the Defects (A Deliberate Frequency Shift for Structural Defect/Damage Detection Assistance to the Operator during Non-Destructive Inspection of Materials)
Summary: Iowa State University researchers have developed a novel pattern recognition algorithm concept to give the technician an assistance of hearing the defects/damages by converting the ultrasonic signal into an audible sound, to reduce human factors in non-destructive testing (NDT). Stage1.png Development Stage: Description: The global marke...
Published: 10/12/2017
Category(s): Engineering & Physical Sciences
Quadruple Butterfly Coil (QBC)
Summary: Iowa State University researchers have developed a novel coil, namely Quadruple Butterfly Coil (QBC). This device has improved significant higher focality over the commercial Figure of Eight (FOE) coils with decreased stimulated area in brain. Model simulation results indicated that QBC stimulates a localized area of the brain, which minim...
Published: 10/4/2017
Category(s): Engineering & Physical Sciences, Medical Devices, Healthcare, Life Sciences
Propane Dehydrogenation over Carbide Catalysts with High Selectivity
Summary: Iowa State University researchers have developed a propane dehydrogenation method to transform shale gas efficiently to propylene, which allows a new route to the second most abundant polymer, polypropylene. This is the first example of using carbide nanostructures for the catalytic dehydrogenation of propane, propylene selectivity was sho...
Published: 9/13/2017
Category(s): Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
Method for Synthesizing Magnet Alloys via Thermal Spray Using Recycled Material
Summary: Iowa State University and Ames Laboratory researchers have developed a method to recycle rare earth elements (REE) waste from magnet processing as well as REE from end-of-life magnets using a very simple and economical process. The process involves creating new magnetic material through a thermal spray technique, resulting in magnets with...
Published: 9/1/2017
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
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