Details

Autor(en) / Beteiligte

• Putic, Slavisa
• Stamenovic, Marina
• Bajceta, Branislav
• Stajcic, Predrag
• Bosnjak, Srdjan

Titel

The influence of high and low temperatures on the impact properties of glass-epoxy composites

Ist Teil von

• Journal of the Serbian Chemical Society, 2007, Vol.72 (7), p.713-722

Ort / Verlag

Serbian Chemical Society

Erscheinungsjahr

2007

Link zum Volltext

Quelle

EZB Free E-Journals

Beschreibungen/Notizen

• The aim of this paper is to present the influence of high and low temperatures on the impact properties glass-epoxy composites. The impact strength an is presented for four different glass-epoxy composite structures at three different temperatures, i.e., at room temperature t=20?C, at an elevated temperature t=+50?C and at a low temperature t=-50?C. Standard mechanical testing was carried out on the composite materials with specific masses of reinforcement of 210 g m-2 and 550 g m-2 and orientations 0?/90? and ?45?. Micromechanical analysis of the failure was performed in order to determine real models and mechanisms of crack and temperature influence on the impact properties. . Cilj ovog rada je da prikaze uticaj visokih i niskih temperatura na udarna svojstva stakleno-epoksidnih kompozita. Udarna jacina prikazana je za cetiri razlicite strukture stakleno?epoksidnih kompozita na tri razlicite temperature, tj. na sobnoj t=20?C, povisenoj t=+50?C i niskoj temperaturi t=-50?C. Standardno mehanicko testiranje obavljeno je za kompozite sa masama ojacanja 210 g m-2 i 550 g m-2 i orjentacije 0?/90? i ?45?. Mikromehanicka analiza ostecenja izvedena je sa ciljem da se odrede realni modeli i mehanizmi loma i uticaja temperature na udarna svojstva.