Search Results - "Kravchenko, Sergii G."

Chemical and thermal shrinkage in thermosetting prepreg by Kravchenko, Oleksandr G., Kravchenko, Sergii G., Pipes, R. Byron

“…A methodology for predicting residual cure deformation and stresses in composite laminates during cure is proposed. The technique employs an unbalanced…”
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Uniaxial strength of a composite array of overlaid and aligned prepreg platelets by Kravchenko, Sergii G., Sommer, Drew E., Pipes, R. Byron

“…The tensile strength of a discontinuous composite system consisting of aligned, unidirectional prepreg platelets is predicted by performing progressive damage…”
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Effect of Resin Bleed Out on Compaction Behavior of the Fiber Tow Gap Region during Automated Fiber Placement Manufacturing by Jamora, Von Clyde, Rauch, Virginia, Kravchenko, Sergii G, Kravchenko, Oleksandr G

“…Automated fiber placement is a state-of-the-art manufacturing method which allows for precise control over layup design. However, AFP results in irregular…”
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Prediction of the chemical and thermal shrinkage in a thermoset polymer by Kravchenko, Oleksandr G., Li, Chunyu, Strachan, Alejandro, Kravchenko, Sergii G., Pipes, R. Byron

“…A multi-scale model for the response of a bi-material “thermostat”, consisting of a single unidirectional lamina of carbon/epoxy and an uncured layer of neat…”
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Restoration of Strength in Polyamide Woven Glass Fiber Organosheets by Hot Pressing: Case Study of Impact and Compression after Impact by Saquib, Mohammad Nazmus, Chaparro-Chavez, Edwing, Morris, Christopher, Çelebi, Kuthan, Pedrazzoli, Diego, Zhang, Mingfu, Kravchenko, Sergii G, Kravchenko, Oleksandr G

“…Thermoplastic composite organosheets (OSs) are increasingly recognized as a viable solution for automotive and aerospace structures, offering a range of…”
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Cure history dependence of residual deformation in a thermosetting laminate by Kravchenko, Oleksandr G., Kravchenko, Sergii G., Pipes, R. Byron

“…The cure history dependent residual deformation in a thermosetting composite laminate was investigated using bi-lamina strip sample with [0/904]…”
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Tensile properties of a stochastic prepreg platelet molded composite by Kravchenko, Sergii G., Sommer, Drew E., Denos, Benjamin R., Favaloro, Anthony J., Tow, Clark M., Avery, William B., Pipes, R. Byron

“…The stochastic prepreg platelet molded composite (PPMC) occurs when the orientation and arrangement disorder of platelets are determined by the uncontrolled…”
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Effect of platelet length and stochastic morphology on flexural behavior of prepreg platelet molded composites by Sattar, Siavash, Laredo, Benjamin Beltran, Kravchenko, Sergii G., Kravchenko, Oleksandr G.

“…Prepreg platelet molding compound (PPMC) can be used to create structural grade material with a heterogeneous mesoscale morphology. The present work considered…”
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Integrative analysis for prediction of process-induced, orientation-dependent tensile properties in a stochastic prepreg platelet molded composite by Sommer, Drew E., Kravchenko, Sergii G., Denos, Benjamin R., Favaloro, Anthony J., Pipes, R. Byron

“…Prepreg platelet molded composite (PPMC) is derived from compression molded pieces of chopped unidirectional prepreg tape. The properties of a stochastic PPMC…”
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Thickness dependence of mode I interlaminar fracture toughness in a carbon fiber thermosetting composite by Kravchenko, Oleksandr G., Kravchenko, Sergii G., Sun, Chin-Teh

“…The relation of the non-singular opening stress component with apparent fracture toughness was investigated for unidirectional carbon-fiber laminates by means…”
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Role of discontinuous fiber core material on the mechanical behavior of hybrid sandwich polyester composites by Larson, Richard, Jamora, Von C, Sattar, Siavash, Kravchenko, Sergii G, Kravchenko, Oleksandr G

“…This study investigated the potential for improving the mechanical behavior of glass fiber polyester composites by using symmetric hybrid sandwich…”
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Role of hierarchical morphology of helical carbon nanotube bundles on thermal expansion of polymer nanocomposites by Kravchenko, Oleksandr G., Qian, Xin, Kravchenko, Sergii G., Misiego, Rocio, Pipes, R. Byron, Manas-Zloczower, Ica

“…The thermal expansion behavior of polymer carbon nanotube (CNT) nanocomposites was investigated, and a micromechanical model was proposed to explain the highly…”
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A two-parameter fracture mechanics model for fatigue crack growth in brittle materials by Kravchenko, Sergii G., Kravchenko, Oleksandr G., Sun, C.T.

“…•Fatigue tests were conducted on nonstandard PMMA samples to collect crack growth data.•Sole stress intensity range for crack propagation prediction was shown…”
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Influence of through-thickness reinforcement aspect ratio on mode I delamination fracture resistance by Kravchenko, Sergii G., Kravchenko, Oleksandr G., Carlsson, Leif A., Pipes, R. Byron

“…Interlaminar reinforcement may be achieved in a composite laminate by the insertion and bonding of stiff rods through the thickness. It is experimentally shown…”
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Modeling of Hierarchical Morphology of Carbon Nanotube Bundles in Polymer Composites by Kravchenko, Oleksandr G., Misiego, Rocio, Kravchenko, Sergii G., Pipes, R. Byron, Manas-Zloczower, Ica

“…The morphological features of carbon nanotube (CNT) polymer composites and their influence on the effective modulus are evaluated. The considered features…”
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Investigation of the notch sensitivity of tailorable long fiber discontinuous prepreg composite laminates by Sommer, Drew E., Kravchenko, Sergii G., Pipes, R. Byron

“…Tailorable discontinuous fiber composite laminates provide relative formability beyond that of continuous fiber laminates, while achieving improved mechanical…”
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An experimental investigation on low-velocity impact response and compression after impact of a stochastic, discontinuous prepreg tape composite by Kravchenko, Sergii G., Volle, Chris, Kravchenko, Oleksandr G.

“…The present paper investigated the impact and compression after impact behavior of thin carbon fiber epoxy plates manufactured from prepreg platelet molding…”
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A numerical study of the meso-structure variability in the compaction process of prepreg platelet molded composites by Sommer, Drew E., Kravchenko, Sergii G., Pipes, R. Byron

“…Compaction deformations in a thermoplastic composite system molded from chopped prepreg platelets were analyzed to obtain statistical distributions of local…”
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Notched tensile strength of long discontinuous glass fiber reinforced nylon composite by Sattar, Siavash, Pedrazzoli, Diego, Zhang, Mingfu, Kravchenko, Sergii G., Kravchenko, Oleksandr G.

“…In this study, the hole size effect in the open hole tension (OHT) of discontinuous glass fiber-polyamide 6 organosheet composite material was studied…”
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Mechanisms of notch insensitivity in long-fiber discontinuous, prepreg platelet compression molded composites by Sommer, Drew E., Kravchenko, Sergii G., Avery, William B., Pipes, R. Byron

“…The present treatise offers an investigation into the operative mechanisms of stress redistribution and notch insensitivity of the prepreg-based, long-fiber…”
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