Unravelling the interphase - bond strength relationship in novel co-bonded thermoplastic - thermoset hybrid composites for leading edge protection of wind turbine blades

Ozan Erartsin; Jamal Sayyed Monfared Zanjani; Ismet Baran

doi:10.1016/j.polymertesting.2022.107856

Unravelling the interphase - bond strength relationship in novel co-bonded thermoplastic - thermoset hybrid composites for leading edge protection of wind turbine blades

Ozan Erartsin, Jamal Sayyed Monfared Zanjani, Ismet Baran^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

6 Citations (Scopus)

127 Downloads (Pure)

Abstract

The relation between the bond strength of the co-bonded thermoplastics (ABS, PC) and fiber-reinforced thermoset polymers (polyester/glass) and the interphase morphology of a novel integrated leading edge protection (LEP) solution for wind turbine blades is investigated. Interphase morphology is characterized via optical microscopy and the mechanical properties of the interphase are obtained by means of nanoindentation. Bond strength of the co-bonded hybrid composites is tested via climbing drum peel test, after which, fractography is carried out to link the fracture behavior to interphase morphology. It was seen that ABS establishes a stronger bond with polyester/glass, constituting a better candidate as an LEP material. The superior bond strength of ABS was linked to its higher affinity to polyester, promoting a no-phase separated, tough interphase undergoing extensive plastic deformation. The interphase between PC and polyester/glass, however, exhibited phase separation, which triggered brittle failure at the interface between the interphase and the polyester/glass.

Original language	English
Article number	107856
Journal	Polymer testing
Volume	117
DOIs	https://doi.org/10.1016/j.polymertesting.2022.107856
Publication status	Published - Jan 2023

Keywords

Co-bonding
Hybrid composites
Interfacial strength
Interphase
UT-Gold-D

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.polymertesting.2022.107856Licence: CC BY

ArticleFinal published version, 8.7 MBLicence: CC BY

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title = "Unravelling the interphase - bond strength relationship in novel co-bonded thermoplastic - thermoset hybrid composites for leading edge protection of wind turbine blades",

abstract = "The relation between the bond strength of the co-bonded thermoplastics (ABS, PC) and fiber-reinforced thermoset polymers (polyester/glass) and the interphase morphology of a novel integrated leading edge protection (LEP) solution for wind turbine blades is investigated. Interphase morphology is characterized via optical microscopy and the mechanical properties of the interphase are obtained by means of nanoindentation. Bond strength of the co-bonded hybrid composites is tested via climbing drum peel test, after which, fractography is carried out to link the fracture behavior to interphase morphology. It was seen that ABS establishes a stronger bond with polyester/glass, constituting a better candidate as an LEP material. The superior bond strength of ABS was linked to its higher affinity to polyester, promoting a no-phase separated, tough interphase undergoing extensive plastic deformation. The interphase between PC and polyester/glass, however, exhibited phase separation, which triggered brittle failure at the interface between the interphase and the polyester/glass.",

keywords = "Co-bonding, Hybrid composites, Interfacial strength, Interphase, UT-Gold-D",

author = "Ozan Erartsin and Zanjani, {Jamal Sayyed Monfared} and Ismet Baran",

note = "Funding Information: Authors gratefully acknowledge the research program Talent Scheme (Veni) with project number 15897, which is (partly) financed by the Dutch Research Council (NWO) , and TKI Wind op Zee Topsector Energy subsidy from the Ministry of Economic Affairs, the Netherlands with the reference number TEWZ118008 . Authors also extend their thanks to Dr. Laurent Warnet for providing the CDP fixture and for his kind help with the fracture tests. Publisher Copyright: {\textcopyright} 2022",

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doi = "10.1016/j.polymertesting.2022.107856",

language = "English",

volume = "117",

journal = "Polymer testing",

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AU - Baran, Ismet

N1 - Funding Information: Authors gratefully acknowledge the research program Talent Scheme (Veni) with project number 15897, which is (partly) financed by the Dutch Research Council (NWO) , and TKI Wind op Zee Topsector Energy subsidy from the Ministry of Economic Affairs, the Netherlands with the reference number TEWZ118008 . Authors also extend their thanks to Dr. Laurent Warnet for providing the CDP fixture and for his kind help with the fracture tests. Publisher Copyright: © 2022

PY - 2023/1

Y1 - 2023/1

N2 - The relation between the bond strength of the co-bonded thermoplastics (ABS, PC) and fiber-reinforced thermoset polymers (polyester/glass) and the interphase morphology of a novel integrated leading edge protection (LEP) solution for wind turbine blades is investigated. Interphase morphology is characterized via optical microscopy and the mechanical properties of the interphase are obtained by means of nanoindentation. Bond strength of the co-bonded hybrid composites is tested via climbing drum peel test, after which, fractography is carried out to link the fracture behavior to interphase morphology. It was seen that ABS establishes a stronger bond with polyester/glass, constituting a better candidate as an LEP material. The superior bond strength of ABS was linked to its higher affinity to polyester, promoting a no-phase separated, tough interphase undergoing extensive plastic deformation. The interphase between PC and polyester/glass, however, exhibited phase separation, which triggered brittle failure at the interface between the interphase and the polyester/glass.

AB - The relation between the bond strength of the co-bonded thermoplastics (ABS, PC) and fiber-reinforced thermoset polymers (polyester/glass) and the interphase morphology of a novel integrated leading edge protection (LEP) solution for wind turbine blades is investigated. Interphase morphology is characterized via optical microscopy and the mechanical properties of the interphase are obtained by means of nanoindentation. Bond strength of the co-bonded hybrid composites is tested via climbing drum peel test, after which, fractography is carried out to link the fracture behavior to interphase morphology. It was seen that ABS establishes a stronger bond with polyester/glass, constituting a better candidate as an LEP material. The superior bond strength of ABS was linked to its higher affinity to polyester, promoting a no-phase separated, tough interphase undergoing extensive plastic deformation. The interphase between PC and polyester/glass, however, exhibited phase separation, which triggered brittle failure at the interface between the interphase and the polyester/glass.

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Unravelling the interphase - bond strength relationship in novel co-bonded thermoplastic - thermoset hybrid composites for leading edge protection of wind turbine blades

Abstract

Keywords

UN SDGs

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