نتایج جستجو برای: polymeric foams
تعداد نتایج: 28001 فیلتر نتایج به سال:
Mechanics of CNT-reinforced nano-cellular PMMA nanocomposites are investigated using coarse-grained molecular dynamics simulations. Firstly, static uniaxial stretching of bulk PMMA polymer is simulated and the results are compared with literature. Then, nano-cellular foams with different relative densities are constructed and subjected to static uniaxial stretching and obtained stress-strain cu...
3D printing of polymeric foams by direct-ink-write is a recent technological breakthrough that enables the creation of versatile compressible solids with programmable microstructure, customizable shapes, and tunable mechanical response including negative elastic modulus. However, in many applications the success of these 3D printed materials as a viable replacement for traditional stochastic fo...
This study investigates the mechanical and damping properties of natural cork particle reinforced rigid polyurethane (PU) composite foams, also structure-properties relationship between their cellular microstructural morphology thermomechanical properties. The linear relation reaction rate, cell size, free rise density (FRD) Cork/PU with respect to loading fraction was experimentally observed a...
Polymeric foams are a key element of many multifunctional sandwich structures. The most commonly used polymeric foam, polyurethane, presents environmental drawbacks, related to poor recyclability and the use toxic diisocyanates for their manufacturing. separation layers in structures is further unresolved hurdle toward these elements. There need broadening spectrum foams. In this context, foama...
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