- What forces did the researchers measure when studying how sheep are moved across a shearing shed floor?
- How did the surface type — carpet, concrete, or grass — affect the forces involved?
Composite Materials
Engineered materials combining two or more constituent materials.
- How does ceramic loading percentage determine whether a filament yields an enhanced polymer composite or a fully ceramic sintered part?
- What multiscale modeling approach links molecular dynamics simulations of CNT-reinforced polymer to the micromechanical behavior of staggered carbon fibers at the microscale?
- How does the Mori-Tanaka technique combine with a three-phase shear lag model to estimate effective elastic properties of hierarchically reinforced composites?
- Why might combining nanoscale carbon nanotube reinforcement with microscale carbon fiber reinforcement improve load transfer at the fiber-matrix interface compared to carbon fiber alone?
- How do microscale intrabead voids and mesoscale interbead voids interact to degrade the mechanical performance of FDM-printed carbon fiber composites?
- Why does mesoscale layer orientation matter for the stress-strain response of printed polycarbonate/short carbon fiber composites?
- Why do FDM-printed carbon fiber composite parts underperform relative to injection-molded equivalents made from the same material system?
- How do geometric parameters and infiltrating dielectric materials tune the resonant response of 3D printed Split Ring Resonators?
- What advantages do conductive-filament FDM metasurfaces offer over conventional metasurface fabrication in terms of cost, weight, and environmental impact?
- How does adding 2.5% hemp fiber by weight change the tensile strength and Young's modulus of PLA compared to pure PLA?
- Why does increasing hemp fiber content to 5% produce diminishing mechanical improvements rather than continued gains?
- What advantages do natural fibers like kenaf offer over synthetic reinforcements such as carbon or glass fiber in PLA composites?
- How does alkali (NaOH) surface treatment of natural fibers affect the mechanical properties of PLA composite filaments?
- Which natural fiber types are being explored for reinforcing PLA filaments, and how do they compare for FDM applications?
- How can a mechanical 'breaking-in' process irreversibly increase the strain-sensing gauge factor of a 3D printed continuous carbon fiber beam?
- What role does thermal residual stress from the 3D printing process play in causing the local progressive fiber failure that boosts sensitivity?
- In what ways can piezoresistive carbon fiber reinforcement let a 3D printed structural part also function as its own strain gauge?
- What improvement in tensile strength and modulus does adding cellulose nanofibers at just 1 wt% loading provide to wood flour/PLA composites?
- Why do surface treatments like silane coupling and acetic anhydride improve water resistance in wood flour/PLA biocomposites?