دورية أكاديمية
Enhancing Composite Toughness Through Hierarchical Interphase Formation.
| العنوان: | Enhancing Composite Toughness Through Hierarchical Interphase Formation. |
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| المؤلفون: | Gupta S; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Sohail T; Advanced Computing for Chemistry and Materials Group, National Center for Computational Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Checa M; Functional Atomic Force Microscope Group, Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Rohewal SS; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Toomey MD; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Kanbargi N; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Damron JT; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Collins L; Functional Atomic Force Microscope Group, Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Kearney LT; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Naskar AK; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA., Bowland CC; Carbon and Composites Group, Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA. |
| المصدر: | Advanced science (Weinheim, Baden-Wurttemberg, Germany) [Adv Sci (Weinh)] 2024 Feb; Vol. 11 (6), pp. e2305642. Date of Electronic Publication: 2023 Dec 25. |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: WILEY-VCH Country of Publication: Germany NLM ID: 101664569 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2198-3844 (Electronic) Linking ISSN: 21983844 NLM ISO Abbreviation: Adv Sci (Weinh) Subsets: PubMed not MEDLINE; MEDLINE |
| أسماء مطبوعة: | Original Publication: Weinheim : WILEY-VCH, [2014]- |
| مستخلص: | High strength and ductility are highly desired in fiber-reinforced composites, yet achieving both simultaneously remains elusive. A hierarchical architecture is developed utilizing high aspect ratio chemically transformable thermoplastic nanofibers that form covalent bonding with the matrix to toughen the fiber-matrix interphase. The nanoscale fibers are electrospun on the micrometer-scale reinforcing carbon fiber, creating a physically intertwined, randomly oriented scaffold. Unlike conventional covalent bonding of matrix molecules with reinforcing fibers, here, the nanofiber scaffold is utilized - interacting non-covalently with core fiber but bridging covalently with polymer matrix - to create a high volume fraction of immobilized matrix or interphase around core reinforcing elements. This mechanism enables efficient fiber-matrix stress transfer and enhances composite toughness. Molecular dynamics simulation reveals enhancement of the fiber-matrix adhesion facilitated by nanofiber-aided hierarchical bonding with the matrix. The elastic modulus contours of interphase regions obtained from atomic force microscopy clearly indicate the formation of stiffer interphase. These nanoengineered composites exhibit a ≈60% and ≈100% improved in-plane shear strength and toughness, respectively. This approach opens a new avenue for manufacturing toughened high-performance composites. (© 2023 Oak Ridge National Laboratory, managed by UT-Battelle, LLC. Advanced Science published by Wiley-VCH GmbH.) |
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| معلومات مُعتمدة: | DE-LC-000L078 U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office; FWP#ERKCK60 U.S. Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division; DE-AC05-00OR22725 U.S. Department of Energy, Office of Science User Facilities at ORNL, Center for Nanophase Materials Sciences (CNMS) and Compute and Data Environment for Science (CADES) |
| فهرسة مساهمة: | Keywords: fiber-matrix adhesion; fiber-matrix interphase; fiber-reinforced composites; hierarchical architecture; nanofiber scaffold |
| تواريخ الأحداث: | Date Created: 20231225 Latest Revision: 20240211 |
| رمز التحديث: | 20240211 |
| مُعرف محوري في PubMed: | PMC10853716 |
| DOI: | 10.1002/advs.202305642 |
| PMID: | 38145356 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 2198-3844 |
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| DOI: | 10.1002/advs.202305642 |