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Title: Dynamic fracture of glass fiber-reinforced ductile polymer matrix composites and loading rate effect

Abstract

Here, the dynamic fracture of S-2 glass fiber-reinforced polymer matrix composites (FRPMCs) was investigated in this study. The matrix ductility was improved by a recently developed network topology modification technique via mixing partially reacted substructures (mPRS). The composite material was manufactured and characterized by micro-CT scanning and scanning electron microscopy (SEM). Dynamic single-edge notched bending (d-SENB) experiments were performed on the composites by using a modified split-Hopkinson pressure bar. Each specimen’s fracture process was visualized by ultrafast X-ray imaging. Such in-situ radiography enabled identifying the damage initiation below 50-micron scale and inspecting its propagation through the internal structures of opaque composites, thereby accurately quantifying the composites’ mechanical properties. Furthermore, the identical d-SENB experiments were designed and the digital image correlation (DIC) was employed to monitor the stress wave propagation on the composite specimens. The force and deflection measurements were modified and correlated to the physical damage processes. Besides, quasi-static SENB experiments were conducted to identify the loading rate effects on the composites’ fracture behaviors. The force and deflection history, bending stiffness, energy dissipation, and fracture toughness at different loading rates were quantified and compared. Finally, post-fracture analysis by micro-CT scanning and SEM provided physical observations on the variation of themore » fracture morphology by different loading rates.« less

Authors:
 [1]; ORCiD logo [1];  [1];  [2];  [1];  [1];  [3]; ORCiD logo [1];  [2];  [1];  [1]
  1. Purdue University, West Lafayette, IN (United States)
  2. Drexel University, Philadelphia, PA (United States)
  3. Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; Army Research Laboratory (ARL); US Air Force Office of Scientific Research (AFOSR)
OSTI Identifier:
1894886
Alternate Identifier(s):
OSTI ID: 1961281
Grant/Contract Number:  
AC02-06CH11357; W911NF-12-2-0022; FA9550-16-1-0315
Resource Type:
Accepted Manuscript
Journal Name:
Composites Part B: Engineering
Additional Journal Information:
Journal Volume: 235; Journal ID: ISSN 1359-8368
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; ductile matrix; FRPMCs; fracture behavior; loading rate effect; ultrafast X-ray imaging

Citation Formats

Gao, Jinling, Kedir, Nesredin, Hernandez, Julio A., Gao, Jian, Horn, Todd, Kim, Garam, Fezzaa, Kamel, Tallman, Tyler N., Palmese, Giuseppe, Sterkenburg, Ronald, and Chen, Weinong. Dynamic fracture of glass fiber-reinforced ductile polymer matrix composites and loading rate effect. United States: N. p., 2022. Web. doi:10.1016/j.compositesb.2022.109754.
Gao, Jinling, Kedir, Nesredin, Hernandez, Julio A., Gao, Jian, Horn, Todd, Kim, Garam, Fezzaa, Kamel, Tallman, Tyler N., Palmese, Giuseppe, Sterkenburg, Ronald, & Chen, Weinong. Dynamic fracture of glass fiber-reinforced ductile polymer matrix composites and loading rate effect. United States. https://doi.org/10.1016/j.compositesb.2022.109754
Gao, Jinling, Kedir, Nesredin, Hernandez, Julio A., Gao, Jian, Horn, Todd, Kim, Garam, Fezzaa, Kamel, Tallman, Tyler N., Palmese, Giuseppe, Sterkenburg, Ronald, and Chen, Weinong. Thu . "Dynamic fracture of glass fiber-reinforced ductile polymer matrix composites and loading rate effect". United States. https://doi.org/10.1016/j.compositesb.2022.109754. https://www.osti.gov/servlets/purl/1894886.
@article{osti_1894886,
title = {Dynamic fracture of glass fiber-reinforced ductile polymer matrix composites and loading rate effect},
author = {Gao, Jinling and Kedir, Nesredin and Hernandez, Julio A. and Gao, Jian and Horn, Todd and Kim, Garam and Fezzaa, Kamel and Tallman, Tyler N. and Palmese, Giuseppe and Sterkenburg, Ronald and Chen, Weinong},
abstractNote = {Here, the dynamic fracture of S-2 glass fiber-reinforced polymer matrix composites (FRPMCs) was investigated in this study. The matrix ductility was improved by a recently developed network topology modification technique via mixing partially reacted substructures (mPRS). The composite material was manufactured and characterized by micro-CT scanning and scanning electron microscopy (SEM). Dynamic single-edge notched bending (d-SENB) experiments were performed on the composites by using a modified split-Hopkinson pressure bar. Each specimen’s fracture process was visualized by ultrafast X-ray imaging. Such in-situ radiography enabled identifying the damage initiation below 50-micron scale and inspecting its propagation through the internal structures of opaque composites, thereby accurately quantifying the composites’ mechanical properties. Furthermore, the identical d-SENB experiments were designed and the digital image correlation (DIC) was employed to monitor the stress wave propagation on the composite specimens. The force and deflection measurements were modified and correlated to the physical damage processes. Besides, quasi-static SENB experiments were conducted to identify the loading rate effects on the composites’ fracture behaviors. The force and deflection history, bending stiffness, energy dissipation, and fracture toughness at different loading rates were quantified and compared. Finally, post-fracture analysis by micro-CT scanning and SEM provided physical observations on the variation of the fracture morphology by different loading rates.},
doi = {10.1016/j.compositesb.2022.109754},
journal = {Composites Part B: Engineering},
number = ,
volume = 235,
place = {United States},
year = {Thu Feb 17 00:00:00 EST 2022},
month = {Thu Feb 17 00:00:00 EST 2022}
}

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