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Effect of pre-curing on thermoplastic-thermoset interphases.

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Title: Effect of pre-curing on thermoplastic-thermoset interphases.
Authors: Fisher, Adam1,2 (AUTHOR), Radhakrishnan, Arjun1 (AUTHOR), Levy, Arthur2 (AUTHOR), Teuwen, Julie3 (AUTHOR), Kratz, James1 (AUTHOR) james.kratz@bristol.ac.uk
Source: Journal of Composite Materials. Oct2024, Vol. 58 Issue 25, p2713-2729. 17p.
Subjects: Fracture toughness, Bond strengths, Thickness measurement, Laminated materials, Surface morphology
Abstract: This study considered adhesion between thermoplastic and thermoset laminates through interdiffusion at the interface. The influence of the degree of cure of the thermoset at the start of the process was investigated through mechanical testing and microscopy. Increasing the initial degree of cure decreased both interlaminar fracture toughness and interphase thickness. Fracture toughness decreased disproportionately to interphase thickness, attributed to changes in interphase morphology and decreasing surface contact at the interface. A simplified model was developed using gel layer thickness measurement data to predict the level of interdiffusion with increasing initial degree of cure. Compared to thermoset-thermoset co-curing, there was superior bond strength at low initial degrees of cure and a predicted increased sensitivity to the initial degree of cure, suggesting a greater influence of process variability. Hence, for specific property critical applications, the trade-off between the potential manufacturing efficiency gains from semi-curing and the reduced performance would be an important consideration. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Composite Materials is the property of Sage Publications, Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 180039715
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Effect of pre-curing on thermoplastic-thermoset interphases.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Composite+Materials%22">Journal of Composite Materials</searchLink>. Oct2024, Vol. 58 Issue 25, p2713-2729. 17p.
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  Data: <searchLink fieldCode="DE" term="%22Fracture+toughness%22">Fracture toughness</searchLink><br /><searchLink fieldCode="DE" term="%22Bond+strengths%22">Bond strengths</searchLink><br /><searchLink fieldCode="DE" term="%22Thickness+measurement%22">Thickness measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Laminated+materials%22">Laminated materials</searchLink><br /><searchLink fieldCode="DE" term="%22Surface+morphology%22">Surface morphology</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study considered adhesion between thermoplastic and thermoset laminates through interdiffusion at the interface. The influence of the degree of cure of the thermoset at the start of the process was investigated through mechanical testing and microscopy. Increasing the initial degree of cure decreased both interlaminar fracture toughness and interphase thickness. Fracture toughness decreased disproportionately to interphase thickness, attributed to changes in interphase morphology and decreasing surface contact at the interface. A simplified model was developed using gel layer thickness measurement data to predict the level of interdiffusion with increasing initial degree of cure. Compared to thermoset-thermoset co-curing, there was superior bond strength at low initial degrees of cure and a predicted increased sensitivity to the initial degree of cure, suggesting a greater influence of process variability. Hence, for specific property critical applications, the trade-off between the potential manufacturing efficiency gains from semi-curing and the reduced performance would be an important consideration. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Composite Materials is the property of Sage Publications, Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=180039715
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    Identifiers:
      – Type: doi
        Value: 10.1177/00219983241271007
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      – Code: eng
        Text: English
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        PageCount: 17
        StartPage: 2713
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      – SubjectFull: Fracture toughness
        Type: general
      – SubjectFull: Bond strengths
        Type: general
      – SubjectFull: Thickness measurement
        Type: general
      – SubjectFull: Laminated materials
        Type: general
      – SubjectFull: Surface morphology
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      – TitleFull: Effect of pre-curing on thermoplastic-thermoset interphases.
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            NameFull: Levy, Arthur
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            – D: 15
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              Text: Oct2024
              Type: published
              Y: 2024
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