Abstract
Cross-linking is a process in which polymer chains are associated through chemical bonds. Radiation, which penetrated through specimens and reacted with the cross-linking agent, gradually formed cross-linking (3D net), first in the surface layer and then in the total volume, which resulted in considerable changes in specimen behaviour. This paper studies the effect of different doses of ionizing beta radiation on the micro-mechanical properties of commercially available polyamide. The measured results indicate, that electron beam irradiation is very effective tool for improvement of surface properties of PA6. The micro-mechanical properties after irradiated surface treatment was increased up to 24 % compared to non-irradiated surface.
Highlights
Polyamides are one of the most commonly used polymers
Polyamide is thanks to its very good mechanical properties, which can be even improved as shown in the results, suitable for applications with great demand on the stiffness and resistance of surface layers for instance friction parts used in automotive industry [1-3]
Radiation, which penetrated through specimens and reacted with the cross-linking agent, gradually formed cross-linking (3D net), first in the surface layer and in the total volume, which resulted in considerable changes in specimen behaviour
Summary
Polyamides are one of the most commonly used polymers. Due to their very high strength and durability polyamides are commonly used in textiles, carpets and floor coverings or automotive. Polyamide is a semicrystalline thermoplastic material with very high toughness, good chemical stability and impact resistance. Polyamide is a good electrical insulator and as other polyamide insulating properties will not be affected due to moisture. Polyamide has many features and enhancements in terms of plasticization of improved varieties. Polyamide is thanks to its very good mechanical properties, which can be even improved as shown in the results, suitable for applications with great demand on the stiffness and resistance of surface layers for instance friction parts used in automotive industry [1-3]
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