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Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Review of manufacturing methods for structural parts from short-fiber polymeric composites and methods for improving their mechanical properties
 Starčuk, Zenon ; Löffelmann, František (oponent) ; Symonov, Volodymyr (vedoucí práce)
Short fibre polymeric composites are easier to manufacture than long fibre composites but this comes at the cost of worse mechanical properties (i.e. tensile strength and modulus). There are many ways to manufacture short fibre polymer composites. Most methods don’t require manual labour and the methods are the same or at least very similar to manufacturing polymers. This makes short fibre composites relatively cheap. The mechanical properties of short fibre composites can be improved by aligning the fibres. Throughout the last 60 years multiple methods for aligning the fibres in the matrix have been developed. Most of these proved not to be practical for commercial use, but some of the more recent methods have shown great results; special emphasis is put on those in the respective part of the thesis. Additional two methods for aligning fibres are proposed; one using electric current and the other one a combination of alternating and static magnetic fields.
Úplný záznam
Review of manufacturing methods for structural parts from short-fiber polymeric composites and methods for improving their mechanical properties
 Starčuk, Zenon ; Löffelmann, František (oponent) ; Symonov, Volodymyr (vedoucí práce)
Short fibre polymeric composites are easier to manufacture than long fibre composites but this comes at the cost of worse mechanical properties (i.e. tensile strength and modulus). There are many ways to manufacture short fibre polymer composites. Most methods don’t require manual labour and the methods are the same or at least very similar to manufacturing polymers. This makes short fibre composites relatively cheap. The mechanical properties of short fibre composites can be improved by aligning the fibres. Throughout the last 60 years multiple methods for aligning the fibres in the matrix have been developed. Most of these proved not to be practical for commercial use, but some of the more recent methods have shown great results; special emphasis is put on those in the respective part of the thesis. Additional two methods for aligning fibres are proposed; one using electric current and the other one a combination of alternating and static magnetic fields.
Úplný záznam

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