Investigation of the notch sensitivity of tailorable long fiber discontinuous prepreg composite laminates

Sommer, Drew E.; Kravchenko, Sergii G.; Pipes, R. Byron

doi:10.1016/j.compositesa.2024.108508

Title: Investigation of the notch sensitivity of tailorable long fiber discontinuous prepreg composite laminates

Journal Article · 10 October 2024 · Composites. Part A, Applied Science and Manufacturing

DOI: https://doi.org/10.1016/j.compositesa.2024.108508 · OSTI ID:2477494

^[1];

^[2];

^[3]

Purdue Univ., West Lafayette, IN (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Univ. of British Columbia, Vancouver, BC (Canada)
Purdue Univ., West Lafayette, IN (United States)

Tailorable discontinuous fiber composite laminates provide relative formability beyond that of continuous fiber laminates, while achieving improved mechanical performance over comparable stochastic systems. Here, in this work, the notch sensitivity of engineered prepreg platelet molded composite (PPMC) laminates is investigated using the open-hole tension (OHT) test and compared to available data for stochastic PPMCs and continuous fiber laminates made with the same material. The press-formed thermoplastic composites (AS4/PEKK) were molded with a quasi-isotropic stacking sequence. The discontinuous PPMC laminate was found to be notch insensitive with OHT strengths ranging from 145.4 MPa (CV $$=$$ 7%) for d/w $$=$$ 0.5 to 229.3 MPa (CV $$=$$ 9%) for d/w $$=$$ 0.25. The highly ordered meso-structure of the engineered PPMC laminate yields comparatively excellent mechanical properties for relatively thin laminates in contrast to stochastic systems. Both net- and gross-section failures were observed for d/w $$=$$ 0.25, which suggests that the engineered PPMC laminates studied here maintain a degree of inherent, internal stress concentrations that compete with those caused by geometric features such as a circular hole. Computational simulations of the OHT tests with explicitly represented platelets were found to be in good agreement with experimental measurements. The progressive failure analysis was used to conduct a numerical investigation of the stacking sequence and platelet meso-morphology.

View Accepted Manuscript (DOE)

Cite

Export

Save

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0003525

OSTI ID:: 2477494

Report Number(s):: SAND--2024-15497J

Journal Information:: Composites. Part A, Applied Science and Manufacturing, Journal Name: Composites. Part A, Applied Science and Manufacturing Vol. 188; ISSN 1359-835X

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (39)

Notch sensitivity of orthotropic solids: interaction of tensile and shear damage zones Tankasala, Harika C.; Deshpande, Vikram S.; Fleck, Norman A. International Journal of Fracture, Vol. 212, Issue 2, p. 123-142 https://doi.org/10.1007/s10704-018-0296-5	journal	July 2018
HexMC — bridging the gap between prepreg and SMC Aubry, Jérôme Reinforced Plastics, Vol. 45, Issue 6 https://doi.org/10.1016/S0034-3617(01)80207-1	journal	June 2001
A new compression-molding approach using unidirectionally arrayed chopped strands Taketa, I.; Okabe, T.; Kitano, A. Composites Part A: Applied Science and Manufacturing, Vol. 39, Issue 12, p. 1884-1890 https://doi.org/10.1016/j.compositesa.2008.09.012	journal	December 2008
Notched behavior of prepreg-based discontinuous carbon fiber/epoxy systems Feraboli, Paolo; Peitso, Elof; Cleveland, Tyler Composites Part A: Applied Science and Manufacturing, Vol. 40, Issue 3 https://doi.org/10.1016/j.compositesa.2008.12.012	journal	March 2009
Strength improvement in unidirectional arrayed chopped strands with interlaminar toughening Taketa, I.; Okabe, T.; Kitano, A. Composites Part A: Applied Science and Manufacturing, Vol. 40, Issue 8, p. 1174-1178 https://doi.org/10.1016/j.compositesa.2009.05.006	journal	August 2009
Defect and damage analysis of advanced discontinuous carbon/epoxy composite materials Feraboli, Paolo; Cleveland, Tyler; Ciccu, Marco Composites Part A: Applied Science and Manufacturing, Vol. 41, Issue 7 https://doi.org/10.1016/j.compositesa.2010.03.002	journal	July 2010
Enhancement of strength and uniformity in unidirectionally arrayed chopped strands with angled slits Taketa, I.; Sato, N.; Kitano, A. Composites Part A: Applied Science and Manufacturing, Vol. 41, Issue 11, p. 1639-1646 https://doi.org/10.1016/j.compositesa.2010.07.010	journal	November 2010
A finite fracture mechanics model for the prediction of the open-hole strength of composite laminates Camanho, P. P.; Erçin, G. H.; Catalanotti, G. Composites Part A: Applied Science and Manufacturing, Vol. 43, Issue 8 https://doi.org/10.1016/j.compositesa.2012.03.004	journal	August 2012
Modelling complex progressive failure in notched composite laminates with varying sizes and stacking sequences Ridha, M.; Wang, C. H.; Chen, B. Y. Composites Part A: Applied Science and Manufacturing, Vol. 58 https://doi.org/10.1016/j.compositesa.2013.11.012	journal	March 2014
Uniaxial strength of a composite array of overlaid and aligned prepreg platelets Kravchenko, Sergii G.; Sommer, Drew E.; Pipes, R. Byron Composites Part A: Applied Science and Manufacturing, Vol. 109 https://doi.org/10.1016/j.compositesa.2018.02.032	journal	June 2018
Fiber orientation measurement from mesoscale CT scans of prepreg platelet molded composites Denos, Benjamin R.; Sommer, Drew E.; Favaloro, Anthony J. Composites Part A: Applied Science and Manufacturing, Vol. 114 https://doi.org/10.1016/j.compositesa.2018.08.024	journal	November 2018
Failure of chopped carbon fiber Sheet Molding Compound (SMC) composites under uniaxial tensile loading: Computational prediction and experimental analysis Chen, Zhangxing; Tang, Haibin; Shao, Yimin Composites Part A: Applied Science and Manufacturing, Vol. 118 https://doi.org/10.1016/j.compositesa.2018.12.021	journal	March 2019
Tensile properties of a stochastic prepreg platelet molded composite Kravchenko, Sergii G.; Sommer, Drew E.; Denos, Benjamin R. Composites Part A: Applied Science and Manufacturing, Vol. 124 https://doi.org/10.1016/j.compositesa.2019.105507	journal	September 2019
Carbon fibre sheet moulding compounds with high in-mould flow: Linking morphology to tensile and compressive properties Martulli, Luca M.; Muyshondt, Leen; Kerschbaum, Martin Composites Part A: Applied Science and Manufacturing, Vol. 126 https://doi.org/10.1016/j.compositesa.2019.105600	journal	November 2019
Integrative analysis for prediction of process-induced, orientation-dependent tensile properties in a stochastic prepreg platelet molded composite Sommer, Drew E.; Kravchenko, Sergii G.; Denos, Benjamin R. Composites Part A: Applied Science and Manufacturing, Vol. 130 https://doi.org/10.1016/j.compositesa.2019.105759	journal	March 2020
A numerical study of the meso-structure variability in the compaction process of prepreg platelet molded composites Sommer, Drew E.; Kravchenko, Sergii G.; Pipes, R. Byron Composites Part A: Applied Science and Manufacturing, Vol. 138 https://doi.org/10.1016/j.compositesa.2020.106010	journal	November 2020
Mechanical behavior of long discontinuous glass fiber nylon composite produced by in-situ polymerization Sattar, Siavash; Beltran Laredo, Benjamin; Pedrazzoli, Diego Composites Part A: Applied Science and Manufacturing, Vol. 154 https://doi.org/10.1016/j.compositesa.2021.106779	journal	March 2022
Mechanisms of notch insensitivity in long-fiber discontinuous, prepreg platelet compression molded composites Sommer, Drew E.; Kravchenko, Sergii G.; Avery, William B. Composites Part A: Applied Science and Manufacturing, Vol. 162 https://doi.org/10.1016/j.compositesa.2022.107133	journal	November 2022
Notched tensile strength of long discontinuous glass fiber reinforced nylon composite Sattar, Siavash; Pedrazzoli, Diego; Zhang, Mingfu Composites Part A: Applied Science and Manufacturing, Vol. 163 https://doi.org/10.1016/j.compositesa.2022.107217	journal	December 2022
Influence of Flow-Induced Polymorphism and Fiber Morphology on Mechanical Behavior in Long Discontinuous Glass Fiber Polyamide Composites Sattar, Siavash; Bhagatji, Jimesh D.; Nazmus Saquib, Mohammad Composites Part A: Applied Science and Manufacturing, Vol. 185 https://doi.org/10.1016/j.compositesa.2024.108353	journal	October 2024
Flowability of unidirectionally arrayed chopped strands in compression molding Taketa, I.; Okabe, T.; Matsutani, H. Composites Part B: Engineering, Vol. 42, Issue 6 https://doi.org/10.1016/j.compositesb.2011.01.021	journal	September 2011
Analytical model for prediction of strength and fracture paths characteristic to randomly oriented strand (ROS) composites Selezneva, Marina; Roy, Steven; Lessard, Larry Composites Part B: Engineering, Vol. 96 https://doi.org/10.1016/j.compositesb.2016.04.017	journal	July 2016
Validation of process simulation workflow for thermosetting prepreg platelet molding compounds Favaloro, Anthony J.; Denos, Benjamin R.; Sommer, Drew E. Composites Part B: Engineering, Vol. 224 https://doi.org/10.1016/j.compositesb.2021.109198	journal	November 2021
Tensile properties and aspect ratio simulation of transversely isotropic discontinuous carbon fiber reinforced thermoplastics Wan, Yi; Takahashi, Jun Composites Science and Technology, Vol. 137 https://doi.org/10.1016/j.compscitech.2016.10.024	journal	December 2016
A 3D finite element stochastic framework for the failure of tow-based discontinuous composites Alves, M.; Martulli, L. M.; Kerschbaum, M. Composites Science and Technology, Vol. 232 https://doi.org/10.1016/j.compscitech.2022.109846	journal	February 2023
Progressive failure analysis on scaled open-hole tensile composite laminates Bao, Hongchen; Liu, Guangyan Composite Structures, Vol. 150, p. 173-180 https://doi.org/10.1016/j.compstruct.2016.05.017	journal	August 2016
Multiscale finite element modeling of sheet molding compound (SMC) composite structure based on stochastic mesostructure reconstruction Chen, Zhangxing; Huang, Tianyu; Shao, Yimin Composite Structures, Vol. 188 https://doi.org/10.1016/j.compstruct.2017.12.039	journal	March 2018
Structure-property relationship for a prepreg platelet molded composite with engineered meso-morphology Kravchenko, Sergii G.; Sommer, Drew E.; Denos, Benjamin R. Composite Structures, Vol. 210 https://doi.org/10.1016/j.compstruct.2018.11.058	journal	February 2019
The influence of 3D microstructural features on the elastic behaviour of tow-based discontinuous composites Alves, Marco; Pimenta, Soraia Composite Structures, Vol. 251 https://doi.org/10.1016/j.compstruct.2020.112484	journal	November 2020
Prediction of tensile failure of stochastic tow-based discontinuous composites via mesoscale finite element analysis Ryatt, Jeremy; Ramulu, M. Composite Structures, Vol. 279 https://doi.org/10.1016/j.compstruct.2021.114769	journal	January 2022
Experimental and numerical research on opening size effect of novel short fiber reinforced composite laminates Zhang, Xutong; Hu, Junfeng; Qian, Rui Results in Physics, Vol. 46 https://doi.org/10.1016/j.rinp.2023.106303	journal	March 2023
Simulation of prepreg platelet compression molding: Method and orientation validation Favaloro, Anthony J.; Sommer, Drew E.; Denos, Benjamin R. Journal of Rheology, Vol. 62, Issue 6 https://doi.org/10.1122/1.5044533	journal	November 2018
On the use of orientation tensors to represent prepreg platelet orientation state and variability Favaloro, Anthony J.; Sommer, Drew E. Journal of Rheology, Vol. 64, Issue 3 https://doi.org/10.1122/1.5135010	journal	May 2020
Characterization of mechanical properties of randomly oriented strand thermoplastic composites Selezneva, Marina; Lessard, Larry Journal of Composite Materials, Vol. 50, Issue 20 https://doi.org/10.1177/0021998315613129	journal	October 2015
Macroscopic Fracture Mechanics of Advanced Composite Materials Waddoups, M. E.; Eisenmann, J. R.; Kaminski, B. E. Journal of Composite Materials, Vol. 5, Issue 4, p. 446-454 https://doi.org/10.1177/002199837100500402	journal	April 1971
Stress Fracture Criteria for Laminated Composites Containing Stress Concentrations Whitney, J. M.; Nuismer, R. J. Journal of Composite Materials, Vol. 8, Issue 3, p. 253-265 https://doi.org/10.1177/002199837400800303	journal	July 1974
Notched Strength of Composite Materials Pipes, R. Byron; Wetherhold, Robert C.; Gillespie, Jr., John W. Journal of Composite Materials, Vol. 13, Issue 2, p. 148-160 https://doi.org/10.1177/002199837901300206	journal	April 1979
Mechanical characterisation and modelling of randomly oriented strand architecture and their hybrids – A general review Visweswaraiah, Swaroop B.; Selezneva, Marina; Lessard, Larry Journal of Reinforced Plastics and Composites, Vol. 37, Issue 8 https://doi.org/10.1177/0731684418754360	journal	March 2018
Experimental and Numerical Research on Open-Hole Strength and Damage Mechanism of Regularly Arrayed Short Fiber Reinforced Polymer Composite Hu, Junfeng; Zhang, Xutong; Chen, Zhou Polymers, Vol. 12, Issue 7 https://doi.org/10.3390/polym12071622	journal	July 2020

Similar Records

Experimental investigation of the crush performance of prepreg platelet molding compound tubes

Journal Article · 2020 · Journal of Composite Materials · OSTI ID:1848469

Cutting, Rebecca A.; Rios-Tascon, Federico; Goodsell, Johnathan E.

A numerical study of the meso-structure variability in the compaction process of prepreg platelet molded composites

Journal Article · 2020 · Composites. Part A, Applied Science and Manufacturing · OSTI ID:1848467

Sommer, Drew E.; Kravchenko, Sergii G.; Pipes, R. Byron

Validation of process simulation workflow for thermosetting prepreg platelet molding compounds

Journal Article · 2021 · Composites Part B: Engineering · OSTI ID:1811895

Favaloro, Anthony J.; Denos, Benjamin R.; Sommer, Drew E.; +2 more

Related Subjects

36 MATERIALS SCIENCE
A. carbon fiber
C. damage mechanics
E. compression molding
Molding compounds

Title: Investigation of the notch sensitivity of tailorable long fiber discontinuous prepreg composite laminates

Citation Formats

References (39)

Similar Records

Related Subjects