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Local anisotropy analysis of injection moulded fibre reinforced polymer composites

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Title: Local anisotropy analysis of injection moulded fibre reinforced polymer composites
Authors: Bernasconi, A.1, Cosmi, F.2 cosmi@units.it, Dreossi, D.3
Source: Composites Science & Technology. Sep2008, Vol. 68 Issue 12, p2574-2581. 8p.
Subjects: Properties of matter, Mechanics (Physics), Diffusion, Anisotropy, Antimatter
Abstract: Abstract: The fibre orientation distribution in a material sample extracted from an injection moulded plate, displaying the commonly encountered layered shell–core–shell structure, was analyzed. Starting from a micro-tomography reconstruction of the sample, instead of trying to isolate each single fibre and measuring its geometrical properties, we derived the components of a fabric tensor from the evaluation of a global anisotropy parameter, the mean intercept length MIL. This parameter, commonly employed for the analysis of biological and geological structures, proved to be an efficient tool for the analysis of the structure of short fibre reinforced composites. The local variations of the degree of anisotropy (ratio of the maximum and minimum eigenvalues of the fabric tensor) from the shell to the core layers of the injection moulded plate could be captured and information about the local average fibre orientation angle was also obtained. [Copyright &y& Elsevier]
Copyright of Composites Science & Technology is the property of Elsevier B.V. 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
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DbLabel: Engineering Source
An: 34443032
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Abstract: The fibre orientation distribution in a material sample extracted from an injection moulded plate, displaying the commonly encountered layered shell–core–shell structure, was analyzed. Starting from a micro-tomography reconstruction of the sample, instead of trying to isolate each single fibre and measuring its geometrical properties, we derived the components of a fabric tensor from the evaluation of a global anisotropy parameter, the mean intercept length MIL. This parameter, commonly employed for the analysis of biological and geological structures, proved to be an efficient tool for the analysis of the structure of short fibre reinforced composites. The local variations of the degree of anisotropy (ratio of the maximum and minimum eigenvalues of the fabric tensor) from the shell to the core layers of the injection moulded plate could be captured and information about the local average fibre orientation angle was also obtained. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Composites Science & Technology is the property of Elsevier B.V. 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.)
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      – Type: doi
        Value: 10.1016/j.compscitech.2008.05.022
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        Text: English
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        PageCount: 8
        StartPage: 2574
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      – SubjectFull: Mechanics (Physics)
        Type: general
      – SubjectFull: Diffusion
        Type: general
      – SubjectFull: Anisotropy
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      – SubjectFull: Antimatter
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      – TitleFull: Local anisotropy analysis of injection moulded fibre reinforced polymer composites
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              Text: Sep2008
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              Y: 2008
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