Understanding the elastic, plastic, and damage features in fracturing of self-reinforced thermoplastic composites via non-destructive digital imaging correlation

Qiao, Yao; Pallaka, Madhusudhan R.; Nickerson, Ethan; Fring, Lisa; Simmons, Kevin L.

doi:10.1117/12.2615378

Cited by 4 publications

(4 citation statements)

References 74 publications

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“…Thermoplastic PPCs were shown in this work to exhibit exceptional ductile behavior. This aspect can distinguish thermoplastic PPCs from conventional carbon-/ glass-/aramid-fiber-reinforced polymer composites because a significantly larger plastic zone can be developed in thermoplastic PPCs in addition to the nonnegligible fracture process zone as reported in a recent publication [20] and shown in Figure 17D. How to properly characterize the fracture behavior of thermoplastic PPCs definitely requires more studies, it can be possibly achieved by some methods (considering the unique deformation and fracturing features in front of the notch in thermoplastic PPCs) or high-fidelity computational models.…”

Section: Fracture Of Thermoplastic Ppcs (Pfrps) and Invalidity Of Ast...mentioning

confidence: 90%

“…[53,[152][153][154][155] On the other hand, hot compaction method was also widely used to fabricate self-reinforced PP composites. Among others, [30,[156][157][158][159] Qiao et al, [20] Reis et al, [160] and Imran et al [161] reported the fabrication of selfreinforced twill PP composites with 80% fiber volume fractions by using hot compacted PP composite films, whereas 90% fiber volume fraction for self-reinforced plain weave PP composites was reported by Alcock et al [320,329] With the addition of nanoparticles as reinforcement, self-reinforced PP composites nanomodified by carbon-based particles were also fabricated via hot compaction method. [162][163][164][165] Moreover, fabricating other types of self-reinforced UD and woven thermoplastic polymer composites (e.g., PA, [166] PET, [44,167,168] PLA, [169,170] PMMA, [40,41,[171][172][173] PEEK, [416] etc.)…”

Section: Hot Compactionmentioning

confidence: 99%

“…Fiber-matrix Fiber volume fraction ρ (g/cm 3 ) E/ρ (GPa/ g/cm 3 ) S/ρ (MPa/ g/cm 3 ) ϵ c /ρ (%/ g/cm 3 ) References UHMWPE-UHMWPE 0.03-0.11 0.93 1.51 37.6-80.6 / Deng et al [202] UHMWPE-UHMWPE 0.6 0.95 / 314.2 / Mosleh et al [277] UHMWPE-UHMWPE 0.8-0.84 0.96 17.5-31.3 654.6-747.2 / Morye et al [153] UHMWPE-LDPE 0.83 0.96 17.85 487.8 / Morye et al [153] UHMWPE-Copolymer 0.65 0.89 5.6 606.7 30.4 Kazanci et al [15] HDPE-LDPE 0.1 0.92 7.9 300.2 10.9 Mead et al [210] PE-PE 0.86 0.97 8.4 / / Hine et al [278] PP-PP 0.36-0.5 0.87-0.91 2.5-4.6 66.5-242.1 13.8 Hourshyar et al, [279] Dai et al, [188] Mao et al, [280] Abraham et al, [281] B ar any et al [282] PP-PP 0.7-0.89 0.73-0.93 2.5-10.2 194-487.1 12.9-27.7 Qiao et al, [20] Hine et al, [158] Alcock et al [193] PET-PET 0.5-0.67 1.4 3.6-4.4 64.3-137.1 8.6-17.5 Andrzejewski et al, [34] Schneider et al, [42] Yao et al [191] PA-PA 0.7 1.14-1.2 3.6 149.1-165.5 11.4 Hine et al, [166] Gong et al [283] PLA-PLA 0.5 1.25 1.84-2.2 28-34.9 4-21.6 Gall et al, [144] Li et al, [169] Note: This table corresponds to the limited data of thermoplastic PPCs in Figure 13A-C. Note that ρ represents density.…”

Section: Uni-axial Tension Of Woven or Cross-ply Thermoplastic Ppcsmentioning

confidence: 99%

“…of thermoplastic PPCs. To the best of authors' knowledge, there are only few studies focusing on the Mode I fracture behavior of thermoplastic PPCs [20,41,361] after a careful literature study. However, there is a large family of thermoplastic polymers (e.g., PP, PE, PET, PLA, PA, PEEK, etc.…”

Section: Fracture Of Thermoplastic Ppcs (Pfrps) and Invalidity Of Ast...mentioning

confidence: 99%

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A review of the fabrication methods and mechanical behavior of continuous thermoplastic polymer fiber–thermoplastic polymer matrix composites

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Thermoplastic polymer fiber-thermoplastic polymer matrix composites (PPCs or PRFPs), often recognized as self-reinforced or single polymer composites, are potential candidates for future advanced polymer composites because of various advantages (e.g., recyclability, formability, low-cost, ultra-lightweight, environmental friendliness, etc.). The manufacturability and mechanical behavior of these composites compared to conventional carbon-/glass-/aramid-fiberreinforced polymers is of great interest to the composites community, but there are a limited number of studies in this area. To this end, this paper reviewed fabrication methods with different processing parameters and mechanical behavior of uni-/multi-directional thermoplastic PPCs featuring continuous thermoplastic Lisa D. Fring and Madhusudhan R. Pallak contributed equally to this study.

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Section: Fracture Of Thermoplastic Ppcs (Pfrps) and Invalidity Of Ast...mentioning

confidence: 90%

Section: Hot Compactionmentioning

confidence: 99%

Section: Uni-axial Tension Of Woven or Cross-ply Thermoplastic Ppcsmentioning

confidence: 99%

Section: Fracture Of Thermoplastic Ppcs (Pfrps) and Invalidity Of Ast...mentioning

confidence: 99%

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A review of the fabrication methods and mechanical behavior of continuous thermoplastic polymer fiber–thermoplastic polymer matrix composites

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Size effect and scaling in quasi‐static and fatigue fracture of graphene polymer nanocomposites

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This work investigated how the structure size affects the quasi‐static and fatigue behaviors of graphene polymer nanocomposites, a topic that has been often overlooked. The results showed that both quasi‐static and fatigue failure of these materials scale nonlinearly with the structure size due to the presence of a significant fracture process zone (FPZ) ahead of the crack tip induced by graphene nanomodification. Such a complicated size effect and scaling in either quasi‐static or fatigue scenario cannot be described by the linear elastic fracture mechanics, but can be well captured by the size effect law (SEL) which considers the FPZ. Thanks to the SEL, the enhanced quasi‐static and fatigue fracture properties were properly characterized and shown to be independent of the structure size. In addition, the differences on the morphological and mechanical behaviors between quasi‐static fracture and fatigue fracture were also identified and clarified in this work. The experimental data and analytical analyses reported in this article are important to deeply understand the mechanics of polymer‐based nanocomposites and even other quasi‐brittle materials (e.g., fiber‐reinforced polymers or their hybrid with nanoparticles, and so forth), and further advance the development of computational models capable of capturing size‐dependent fracture of materials under various loads.

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Low-velocity impact resistance and failure characteristics of all thermoplastic woven polymer-fiber-reinforced plastic composites

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et al. 2024

Journal of Composite Materials

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This study addresses the impact performances of recyclable composites made of all thermoplastic polymer-fiber-reinforced plastics (PFRPs), where the reinforcing fibers and matrix are made of thermoplastic polymers. Three woven PFRPs systems were evaluated, including polypropylene fibers, polypropylene matrix, and high-density polyethylene matrix. In low-velocity impact scenario with an impactor speed of less than 6 m/s, our results demonstrate the energy absorption capabilities of the flat laminate PFRPs compared to woven carbon fiber-reinforced plastics (CFRPs) and aluminum alloy 5052. For the systems studied, the PFRPs can reach the specific energy absorption 89% to 115% of the CFRPs. Even compared with the aluminum alloy 5052, the PFRPs can reach up to 97%. We investigate the failure morphologies of the PFRPs using X-ray µCT scans. They reveal the PFRPs’ unique ductile failure morphologies compared to common CFRPs. In addition, we heal the perforated region in the PFRPs by applying the manufacturing process identical to the initial curing process. The healed panels are perforated again, and they recovered 30% to 38% of their original specific energy absorption, a recovery not achievable with CFRPs. This study provides valuable experimental results, and concrete insights into the potential applications of recyclable PFRPs in various engineering fields. It emphasizes their excellent energy-absorbing capability and repairability.

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Understanding the elastic, plastic, and damage features in fracturing of self-reinforced thermoplastic composites via non-destructive digital imaging correlation

Cited by 4 publications

References 74 publications

A review of the fabrication methods and mechanical behavior of continuous thermoplastic polymer fiber–thermoplastic polymer matrix composites

A review of the fabrication methods and mechanical behavior of continuous thermoplastic polymer fiber–thermoplastic polymer matrix composites

Size effect and scaling in quasi‐static and fatigue fracture of graphene polymer nanocomposites

Low-velocity impact resistance and failure characteristics of all thermoplastic woven polymer-fiber-reinforced plastic composites

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