- Metal and Thin Film Mechanics
- Diamond and Carbon-based Materials Research
- Advanced materials and composites
- Advanced ceramic materials synthesis
- Metallic Glasses and Amorphous Alloys
- High-Temperature Coating Behaviors
- Semiconductor materials and devices
- Fermentation and Sensory Analysis
- Fluid Dynamics and Heat Transfer
- Nanomaterials and Printing Technologies
- Magnetic properties of thin films
- Metal Alloys Wear and Properties
- Insect and Arachnid Ecology and Behavior
- High Entropy Alloys Studies
- Environmental Science and Technology
- Magnetic Properties and Applications
- Aeolian processes and effects
- Skin Protection and Aging
- Modular Robots and Swarm Intelligence
- Ocular Surface and Contact Lens
South Dakota School of Mines and Technology
2018-2024
Materials Processing (United States)
2021
Southwest Research Institute
2021
Ceramic/silver coatings are of interest for tribological and antimicrobial applications. Here, the amorphous phase volume fraction in VSiCN/Ag was varied microstructure, mechanical properties, vacuum annealing behavior phase-modulated were compared with columnar VN/Ag coatings. The deposited by filament-assisted reactive magnetron sputtering a gas mixture argon, nitrogen, hexamethyldisilazane (HMDS). HMDS vapor flow rates to influence coating content (0 at. % ≤ Si 10 %, 0 C 20 %), sputter...
Protective CrN-based coatings are of interest for applications requiring a combination corrosion resistance and toughness. Here, the processing-microstructure-properties relationships metallic Cr, binary CrN, nanocomposite CrSiCN reported. Hexamethyldisilazane (HMDS) was used as single-source organosilicon precursor Si C during plasma-enhanced magnetron sputtering (PEMS). By varying availability reactive species coating growth, graded architectures were produced. Scanning transmission...
Porous-wall hollow glass microspheres are a one-of-the-kind material with many potential uses in security technology. This work focuses on the development of inks containing porous-wall microspheres, whereby serve as storage vessels for variety functional materials. preliminary comprises two feasibility studies. One study resulted successful aerosol jet deposition onto substrate. The other loading gold nanoparticles. Both studies demonstrate developing and delivering ink utilizing that...
The ongoing technological fight against counterfeiting demands the development of new anti-counterfeiting strategies based on novel material systems. In this work, we report a unique system, employing porous-wall hollow glass microspheres as versatile carriers for functional security materials. To evaluate feasibility using these in applications, several deployment configurations and processing routes were developed, whereby microsphere cargo included either (1) precursor materials, (2) or...
Thin films of titanium-silicon carbonitride (TiSiCN) with titanium adhesion layers were deposited at approximately 280°C on horizontally and vertically-mounted strips 301-stainless steel by reactive magnetron sputtering. Considerable differences in the mid-deflections radii curvature between vertical horizontal samples observed. Cross-sectional characterizations done a TEM revealed columnar growth uniform microstructure. A finite-element model tri-layer sandwich structure using Mesh-Tie...