Abstract
A technological process for production of multilayered tubular rods by assembling of macro layers of pre-moulded elements, based on monolayers, has been proposed. This manufacturing process makes it possible to vary the lateral dimensions, length and structure of rods over a wide range. Stiffness and strength of composite and monolithic rods of unidirectional carbon loaded in tension, compression, torsion, bending and combined compression and torsion are compared. It is found that the number of macro layers and reinforcement with transverse fibers do not practically affect the behavior of rods composite over the radius. It is established that the mutual angular displacement of adjacent macro layers is the most important controllable parameter for rods composed over the length. It is also shown that it is possible to improve the properties of composite rods to the level of monolithic rods through perfecting the assembling technology, the use of boron interleaves and high-strength film-based adhesives.
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