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Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load

Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog na zatezanje

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2015
0351-94651504421M.pdf (4.198Mb)
Authors
Mališić, Vanja
Ilić, Dragoljub
Bekrić, Dragoljub
Stamenović, Marina
Putić, Slaviša
Article (Published version)
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Abstract
The main objective of this study is to determine tensile properties of the glass-epoxy polymer composite material. The material is glass fiber 280 g/m², 'twill woven' with 100 cm width, type - Interglas 92125, and epoxy resin type MGS L-135, where samples are molded using hand manual method with 35% fiber weight per volume. Orientations were 0/90° i ±45°. In accordance with appropriate standards, tensile strength and modulus of elasticity were determined. Beside the analysis of the results obtained during the experiment, micro-mechanical analysis of the tensile failure appearance and development was conducted based on the observed cracked surface, which led to a confirmation of all characteristic mechanisms and cracks expected for this type of material and study. Micromechanical analysis performed on the cracked surfaces of the investigated samples, has led to a definition of a structure which is more suitable for exploitation of this material in a presence of this type of external loa...d.

Predmet i cilj ovog rada je određivanje statičkih zateznih svojstava staklo-epoksi polimernog kompozitnog materijala. Ispitivani materijal je kompozitni materijal stakleno platno 280 g/m², 'twill tkanje' širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135, a uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Ispitivane su orijentacije 0/90° i ±45°. Određeni su zatezna čvrstoća i modul elastičnosti prema odgovarajućim standardnim ispitivanjima. Pored izvedene analize dobijenih rezultata, a na osnovu izgleda prelomnih površina uzoraka izvedena je i mikromehanička analiza nastanka i razvoja oštećenja pri zatezanju čime su potvrđeni svi mehanizmi i oštećenja karakteristični za ovakvu vrstu materijala i ispitivanja. Mikromehaničkom analizom na prelomnim površinama ispitivanih uzoraka se došlo do strukture koja je povoljnija u eksploataciji pri ovakvog tipu spoljašnog opterećenja.
Keywords:
micromechanical analysis / glass-epoxy composite materials / tensile properties of glass-epoxy composite materials / tensile test of glass-epoxy composite materials / mikromehanička analiza / staklo-epoksi kompozitni materijali / zatezna svojstva staklo-epoksi kompozitnog materijala / ispitivanje na zatezanje staklo-epoksi kompozitnog materijala
Source:
Zaštita materijala, 2015, 56, 4, 421-428
Publisher:
  • Engineering Society for Corrosion, Belgrade, Serbia

DOI: 10.5937/ZasMat1504421M

ISSN: 0351-9465

[ Google Scholar ]
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2951
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Mališić, Vanja
AU  - Ilić, Dragoljub
AU  - Bekrić, Dragoljub
AU  - Stamenović, Marina
AU  - Putić, Slaviša
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2951
AB  - The main objective of this study is to determine tensile properties of the glass-epoxy polymer composite material. The material is glass fiber 280 g/m², 'twill woven' with 100 cm width, type - Interglas 92125, and epoxy resin type MGS L-135, where samples are molded using hand manual method with 35% fiber weight per volume. Orientations were 0/90° i ±45°. In accordance with appropriate standards, tensile strength and modulus of elasticity were determined. Beside the analysis of the results obtained during the experiment, micro-mechanical analysis of the tensile failure appearance and development was conducted based on the observed cracked surface, which led to a confirmation of all characteristic mechanisms and cracks expected for this type of material and study. Micromechanical analysis performed on the cracked surfaces of the investigated samples, has led to a definition of a structure which is more suitable for exploitation of this material in a presence of this type of external load.
AB  - Predmet i cilj ovog rada je određivanje statičkih zateznih svojstava staklo-epoksi polimernog kompozitnog materijala. Ispitivani materijal je kompozitni materijal stakleno platno 280 g/m², 'twill tkanje' širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135, a uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Ispitivane su orijentacije 0/90° i ±45°. Određeni su zatezna čvrstoća i modul elastičnosti prema odgovarajućim standardnim ispitivanjima. Pored izvedene analize dobijenih rezultata, a na osnovu izgleda prelomnih površina uzoraka izvedena je i mikromehanička analiza nastanka i razvoja oštećenja pri zatezanju čime su potvrđeni svi mehanizmi i oštećenja karakteristični za ovakvu vrstu materijala i ispitivanja. Mikromehaničkom analizom na prelomnim površinama ispitivanih uzoraka se došlo do strukture koja je povoljnija u eksploataciji pri ovakvog tipu spoljašnog opterećenja.
PB  - Engineering Society for Corrosion, Belgrade, Serbia
T2  - Zaštita materijala
T1  - Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load
T1  - Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog na zatezanje
EP  - 428
IS  - 4
SP  - 421
VL  - 56
DO  - 10.5937/ZasMat1504421M
ER  - 
@article{
author = "Mališić, Vanja and Ilić, Dragoljub and Bekrić, Dragoljub and Stamenović, Marina and Putić, Slaviša",
year = "2015",
abstract = "The main objective of this study is to determine tensile properties of the glass-epoxy polymer composite material. The material is glass fiber 280 g/m², 'twill woven' with 100 cm width, type - Interglas 92125, and epoxy resin type MGS L-135, where samples are molded using hand manual method with 35% fiber weight per volume. Orientations were 0/90° i ±45°. In accordance with appropriate standards, tensile strength and modulus of elasticity were determined. Beside the analysis of the results obtained during the experiment, micro-mechanical analysis of the tensile failure appearance and development was conducted based on the observed cracked surface, which led to a confirmation of all characteristic mechanisms and cracks expected for this type of material and study. Micromechanical analysis performed on the cracked surfaces of the investigated samples, has led to a definition of a structure which is more suitable for exploitation of this material in a presence of this type of external load., Predmet i cilj ovog rada je određivanje statičkih zateznih svojstava staklo-epoksi polimernog kompozitnog materijala. Ispitivani materijal je kompozitni materijal stakleno platno 280 g/m², 'twill tkanje' širine 100 cm, tip - Interglas 92125 i epoksi smola tip MGS L-135, a uzorci su oblikovani ručnom metodom sa 35% zapreminskog udela vlakana. Ispitivane su orijentacije 0/90° i ±45°. Određeni su zatezna čvrstoća i modul elastičnosti prema odgovarajućim standardnim ispitivanjima. Pored izvedene analize dobijenih rezultata, a na osnovu izgleda prelomnih površina uzoraka izvedena je i mikromehanička analiza nastanka i razvoja oštećenja pri zatezanju čime su potvrđeni svi mehanizmi i oštećenja karakteristični za ovakvu vrstu materijala i ispitivanja. Mikromehaničkom analizom na prelomnim površinama ispitivanih uzoraka se došlo do strukture koja je povoljnija u eksploataciji pri ovakvog tipu spoljašnog opterećenja.",
publisher = "Engineering Society for Corrosion, Belgrade, Serbia",
journal = "Zaštita materijala",
title = "Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load, Mikromehanička analiza loma laminatnog staklo-epoksi kompozitnog materijala ispitivanog na zatezanje",
pages = "428-421",
number = "4",
volume = "56",
doi = "10.5937/ZasMat1504421M"
}
Mališić, V., Ilić, D., Bekrić, D., Stamenović, M.,& Putić, S.. (2015). Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load. in Zaštita materijala
Engineering Society for Corrosion, Belgrade, Serbia., 56(4), 421-428.
https://doi.org/10.5937/ZasMat1504421M
Mališić V, Ilić D, Bekrić D, Stamenović M, Putić S. Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load. in Zaštita materijala. 2015;56(4):421-428.
doi:10.5937/ZasMat1504421M .
Mališić, Vanja, Ilić, Dragoljub, Bekrić, Dragoljub, Stamenović, Marina, Putić, Slaviša, "Micromechanical crack analysis of glass-epoxy laminated composites subjected to tension load" in Zaštita materijala, 56, no. 4 (2015):421-428,
https://doi.org/10.5937/ZasMat1504421M . .

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