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Fabrication and mechanical properties of 2D Cf/SiC composites by joint process of vacuum bag molding, PIP, and RMI.

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Title: Fabrication and mechanical properties of 2D Cf/SiC composites by joint process of vacuum bag molding, PIP, and RMI.
Authors: Zhang, Tong1 (AUTHOR), Chen, Jianjun1 (AUTHOR) chen@zstu.edu.cn, Chen, Hao1 (AUTHOR), Ahmad, Zahoor1 (AUTHOR), Zhu, Hongliang1 (AUTHOR)
Source: Journal of the American Ceramic Society. May2025, Vol. 108 Issue 5, p1-11. 11p.
Subjects: Chemical vapor deposition, Pyrolytic graphite, Melt infiltration, Carbon fibers, Silicon carbide, Carbon fiber-reinforced ceramics, Ceramic-matrix composites
Abstract: The structural integrity of continuous carbon fiber‐reinforced silicon carbide (Cf/SiC) composites is often compromised by carbon fiber damage during high‐temperature sintering, nonuniform fiber distribution, and the brittleness of the ceramic matrix, which limits their broader application. This study reported an innovative approach of vacuum bagging combined with thermal press curing, followed by precursor infiltration and pyrolysis (PIP) and reaction melt infiltration (RMI), densification to fabricate a Cf/SiC composite with remarkable properties. The pyrolytic carbon (PyC)/boron nitride (BN) double interface layers were deposited to the Cf via chemical vapor deposition (CVD). Results revealed that vacuum bagging combined with thermal press curing effectively eliminated bond‐line defects, while the PyC/BN interface layer further improved the toughening of Cf. The combination of vacuum bagging and thermal press curing showed optimal strength of 330 ± 30 MPa and 7.4 ± 0.5 MPa m1/2, representing increases of 50% and 47%, respectively. The failure mechanisms responsible for the mechanical behavior are gained through macro and microanalysis. This work provides a high‐performance, economical, and convenient process for enhancing the mechanical performance of Cf/SiC composites, providing valuable insights for the development of ceramic matrix composites. [ABSTRACT FROM AUTHOR]
Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell 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.)
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  Label: Title
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  Data: Fabrication and mechanical properties of 2D C<subscript>f</subscript>/SiC composites by joint process of vacuum bag molding, PIP, and RMI.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Tong%22">Zhang, Tong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Jianjun%22">Chen, Jianjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> chen@zstu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Chen%2C+Hao%22">Chen, Hao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ahmad%2C+Zahoor%22">Ahmad, Zahoor</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Hongliang%22">Zhu, Hongliang</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+the+American+Ceramic+Society%22">Journal of the American Ceramic Society</searchLink>. May2025, Vol. 108 Issue 5, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Chemical+vapor+deposition%22">Chemical vapor deposition</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrolytic+graphite%22">Pyrolytic graphite</searchLink><br /><searchLink fieldCode="DE" term="%22Melt+infiltration%22">Melt infiltration</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+fibers%22">Carbon fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Silicon+carbide%22">Silicon carbide</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+fiber-reinforced+ceramics%22">Carbon fiber-reinforced ceramics</searchLink><br /><searchLink fieldCode="DE" term="%22Ceramic-matrix+composites%22">Ceramic-matrix composites</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The structural integrity of continuous carbon fiber‐reinforced silicon carbide (Cf/SiC) composites is often compromised by carbon fiber damage during high‐temperature sintering, nonuniform fiber distribution, and the brittleness of the ceramic matrix, which limits their broader application. This study reported an innovative approach of vacuum bagging combined with thermal press curing, followed by precursor infiltration and pyrolysis (PIP) and reaction melt infiltration (RMI), densification to fabricate a Cf/SiC composite with remarkable properties. The pyrolytic carbon (PyC)/boron nitride (BN) double interface layers were deposited to the Cf via chemical vapor deposition (CVD). Results revealed that vacuum bagging combined with thermal press curing effectively eliminated bond‐line defects, while the PyC/BN interface layer further improved the toughening of Cf. The combination of vacuum bagging and thermal press curing showed optimal strength of 330 ± 30 MPa and 7.4 ± 0.5 MPa m1/2, representing increases of 50% and 47%, respectively. The failure mechanisms responsible for the mechanical behavior are gained through macro and microanalysis. This work provides a high‐performance, economical, and convenient process for enhancing the mechanical performance of Cf/SiC composites, providing valuable insights for the development of ceramic matrix composites. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of the American Ceramic Society is the property of Wiley-Blackwell 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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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1111/jace.20324
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 11
        StartPage: 1
    Subjects:
      – SubjectFull: Chemical vapor deposition
        Type: general
      – SubjectFull: Pyrolytic graphite
        Type: general
      – SubjectFull: Melt infiltration
        Type: general
      – SubjectFull: Carbon fibers
        Type: general
      – SubjectFull: Silicon carbide
        Type: general
      – SubjectFull: Carbon fiber-reinforced ceramics
        Type: general
      – SubjectFull: Ceramic-matrix composites
        Type: general
    Titles:
      – TitleFull: Fabrication and mechanical properties of 2D Cf/SiC composites by joint process of vacuum bag molding, PIP, and RMI.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Zhang, Tong
      – PersonEntity:
          Name:
            NameFull: Chen, Jianjun
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            NameFull: Chen, Hao
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            NameFull: Ahmad, Zahoor
      – PersonEntity:
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            NameFull: Zhu, Hongliang
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          Dates:
            – D: 01
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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              Value: 108
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              Value: 5
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            – TitleFull: Journal of the American Ceramic Society
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