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Characterization of mechanical properties of randomly oriented strand thermoplastic composites.

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Title: Characterization of mechanical properties of randomly oriented strand thermoplastic composites.
Authors: Selezneva, Marina1, Lessard, Larry1 Larry.Lessard@mcgill.ca
Source: Journal of Composite Materials. Aug2016, Vol. 50 Issue 20, p2833-2851. 19p.
Subjects: Composite materials research, Thermophysical properties, Mechanical behavior of materials, Elasticity, Carbon fibers, Tensile strength
Abstract: There is an emerging interest in the aerospace industry to manufacture components with intricate geometries using discontinuous fibre carbon/polyether–ether–ketone moulding systems (obtained by cutting unidirectional tape into strands). This type of material system is termed randomly oriented strand composites and is appealing for structural applications as it bridges the gap between the lack of formability of continuous fibre composites and the lack of performance of short fibre composites. The objective of this study was to investigate mechanical properties (tensile, compressive, shear and fatigue) of randomly oriented strand composites and to quantify the effect of strand size on their properties. Overall, properties were found to be highly variable and dependent on the strand length. Interestingly, tensile, compressive and shear strength had similar magnitudes and exhibited the same failure mechanisms (strand fracture and debonding). This experimental work expands the knowledge base for randomly oriented strand composite materials. [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
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Characterization of mechanical properties of randomly oriented strand thermoplastic composites.
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  Data: There is an emerging interest in the aerospace industry to manufacture components with intricate geometries using discontinuous fibre carbon/polyether–ether–ketone moulding systems (obtained by cutting unidirectional tape into strands). This type of material system is termed randomly oriented strand composites and is appealing for structural applications as it bridges the gap between the lack of formability of continuous fibre composites and the lack of performance of short fibre composites. The objective of this study was to investigate mechanical properties (tensile, compressive, shear and fatigue) of randomly oriented strand composites and to quantify the effect of strand size on their properties. Overall, properties were found to be highly variable and dependent on the strand length. Interestingly, tensile, compressive and shear strength had similar magnitudes and exhibited the same failure mechanisms (strand fracture and debonding). This experimental work expands the knowledge base for randomly oriented strand composite materials. [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.)
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        Value: 10.1177/0021998315613129
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      – Code: eng
        Text: English
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        PageCount: 19
        StartPage: 2833
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      – SubjectFull: Composite materials research
        Type: general
      – SubjectFull: Thermophysical properties
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
      – SubjectFull: Elasticity
        Type: general
      – SubjectFull: Carbon fibers
        Type: general
      – SubjectFull: Tensile strength
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              Text: Aug2016
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