A two part study utilizing polyoxymethylene (POM) was undertaken to investigate a three stage process (melt-extrusion/annealing/uniaxial-stretching) (MEAUS) utilized to produce microporous films. In this report, the thermal annealing (second stage) and subsequent uniaxialstretching (third stage) results of selected POM films from two commercial resins, labeled D & F, are discussed. Specifically...

When stretched uniaxially, a thin elastic sheet may exhibit buckling. The occurrence of buckling depends on the geometrical properties of the sheet and the magnitude of the applied strain. Here we show that an elastomeric sheet initially stable under uniaxial stretching can destabilize when exposed to a solvent that swells the elastomer. We demonstrate experimentally and computationally that th...

The elastic properties of crystals are fundamental for structural material. However, in the absence macroscopic single crystals, experimental determination tensor is challenging because measurement depends on transmission stress inside To avoid arbitrary hypotheses about transfer, we combine hydrostatic pressure and uniaxial-stretching experiments to investigate cellulose I?. Three orthogonal c...

Fibroblasts in intact tendons align with stretching direction, but they tend to orient randomly in healing tendons. Therefore, a question arises: Do fibroblast responses to mechanical stretching depend on their orientation? To address this question, human patellar tendon fibroblasts were grown in custom-made silicone dishes that possess microgrooved culture surfaces. The direction of the microg...

The expectations placed on packaging continue to rise. It must provide enhanced product protection, greater convenience and catch the eyes of consumers while offering optimum efficiency and sustainability. Companies producing flexible packaging are responding to these challenges by developing complex, multi-layer composite films and using special raw materials. Whenever this approach reaches it...

Bidirectional frequency tuning in microresonators is demonstrated through the simultaneous use of both mechanical (stretching) and magnetomotive approaches. Stretching is employed to increase the resonance frequency, while the magnetomotive method provides actuation and spring softening. The fabrication process is presented for a double-clamped micromechanical nickel resonator. Lorentz Force is...

Cell mechanical stretching in vitro is a fundamental technique commonly used in cardiovascular mechanobiology research. Accordingly, it is crucial to measure the accurate strain field of cell substrate under different strains. Digital image correlation (DIC) is a widely used measurement technique, which is able to obtain the accurate displacement and strain distribution. However, the traditiona...

Within the framework of self--consistent--charge density functional tight-binding method, we study features atomic structure and electrical conductive properties a hybrid graphene-nanotube film with an island topology under uniaxial stretching compression. The is composite formed by AB-stacked bilayer graphene horizontally oriented chiral single-walled carbon nanotubes 1.2 nm in diameter. regul...