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Wyświetlanie 1-2 z 2
Tytuł:
Thermomechanical properties of polyamide 6 with addition of fly ash from biomass
Autorzy:
Gnatowski, A.
Chyra, M.
Powiązania:
https://bibliotekanauki.pl/articles/105830.pdf
Data publikacji:
2017
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
polyamide
composites
fly ash
thermomechanical properties
colour
microstructure
poliamid
kompozyty
popiół lotny
właściwości termomechaniczne
kolor
mikrostruktura
Opis:
Modification of polymer materials by various kinds of fillers is presently applied very often in massive production. This is due to the need for materials with better properties and lower prices for parts. One of the newest solutions is the filling of polymers with fly ash. This results in a change in products properties and reduction the amount of waste in the form of ashes. This article shows the results of investigations of thermomechanical properties of polyamide 6 modified by fly ash from the combustion of biomass. Comparative analysis of unfilled polyamide and polyamide composites with the addition of 5%, 10% and 15% of fly ash was performed. The specimens were obtained using injection moulding technology. The commercial name for the Polyamide 6 used in this study is TARNAMID T-27 and was manufactured by Zakłady Azotowe Tarnów. Fly ash manufactured by GDF Suez Energia Polska S.A. was applied as a filler. The investigations of mechanical properties were made using a harness by pressing ball method, impact strength by Charpy method and tensile strength. Differential scanning calorimetry (DSC), softening temperature by Vicat, and colour investigations were also performed. Pictures of microstructure were made.
Źródło:
Acta Innovations; 2017, 25; 38-46
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prediction of changes in properties of pipes from polyethylene in the research of simulation of ageing
Autorzy:
Gnatowski, A.
Chyra, M.
Powiązania:
https://bibliotekanauki.pl/articles/105768.pdf
Data publikacji:
2015
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
pipes
polyethylene
ageing
thermal properties
mechanical properties
colour
gloss
rury
polietylen
starzenie
właściwości termiczne
właściwości mechaniczne
kolor
szkło
Opis:
This study presents a comparative analysis of specimens before and after photochemical and electrochemical ageing processes. The specimens were cut out of the pipes obtained through extrusion. The examinations were carried out for two commercial grades of polyethylene. Ageing with UV radiation was carried out using a gas discharge lamp, whereas simulation of electrochemical ageing was performed in a water solution of NaCl. Tensile strength testing, differential scanning calorimetry, colour and gloss measurements and hardness testing using the method of ball indentation were carried out for both types of specimens (after ageing and without ageing). Analysis of the results of the examinations revealed that ageing caused significant changes in properties of the specimens. In the samples after ageing was observed decrease in tensile strength. Found a decrease in the degree of crystallinity and changing temperatures physical changes. In the samples after ageing was observed different values of the parameters describing the colour. In samples after ageing also reported a reduction in gloss and hardness.
Źródło:
Acta Innovations; 2015, 16; 39-47
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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