Search Results - "Schoeppner, G.A."

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  1. 1

    Optimization of a composite scarf repair patch under tensile loading by Breitzman, T.D., Iarve, E.V., Cook, B.M., Schoeppner, G.A., Lipton, R.P.

    “…Mechanics of the composite repair under tensile loading with and without overlay plies was examined for nontraditional patch ply orientations…”
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    Journal Article Conference Proceeding
  2. 2

    Delamination threshold loads for low velocity impact on composite laminates by Schoeppner, G.A., Abrate, S.

    “…An investigation of the low velocity impact load level at which a composite laminate will delaminate is presented. The delamination threshold load is described…”
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    Journal Article
  3. 3

    Thermo-oxidative behavior of high-temperature PMR-15 resin and composites by Tandon, G.P., Pochiraju, K.V., Schoeppner, G.A.

    “…The present study examines the thermo-oxidative behavior of high-temperature polymer matrix composite materials. Thermo-oxidative aging in neat resin is…”
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    Journal Article Conference Proceeding
  4. 4

    Steady-state cracking and edge effects in thermo-mechanical transverse cracking of cross-ply laminates by Pagano, N.J., Schoeppner, G.A., Kim, R., Abrams, F.L.

    Published in Composites science and technology (01-11-1998)
    “…Composites for space applications such as advanced satellites will require the use of new and/or improved materials so that more stringent dimensional…”
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    Journal Article
  5. 5

    Anisotropic oxidation and weight loss in PMR-15 composites by Schoeppner, G.A., Tandon, G.P., Ripberger, E.R.

    “…Durability and degradation mechanisms in composites are fundamentally influenced by the fiber, matrix, and interphase regions that constitute the composite…”
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    Journal Article
  6. 6

    Modeling of oxidative development in PMR-15 resin by Tandon, G.P., Pochiraju, K.V., Schoeppner, G.A.

    Published in Polymer degradation and stability (01-08-2006)
    “…A multidisciplinary approach focused on models and processes to predict the performance and life expectancy of high-temperature polymer matrix composite…”
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    Journal Article
  7. 7

    Impression creep of PMR-15 resin at elevated temperatures by Chen, Rong, Lu, Y.C, Yang, Fuqian, Tandon, G.P, Schoeppner, G.A

    Published in Polymer engineering and science (01-01-2010)
    “…The polyimides formed from the polymerization of monomeric-reactants (PMR) approach have been increasingly used as matrix materials in fiber-reinforced…”
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    Journal Article
  8. 8

    Using Optical Microscopy to Monitor Anisotropic Oxidation Growth in High-Temperature Polymer Matrix Composites by Tandon, G.P., Ragland, W.R., Schoeppner, G.A.

    Published in Journal of composite materials (01-03-2009)
    “…Durability and degradation mechanisms in composites are fundamentally influenced by the fiber, matrix, and interphase regions that constitute the composite…”
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    Journal Article
  9. 9

    Influence of polishing time on thermo-oxidation characterization of isothermally aged PMR-15 resin by Putthanarat, S., Tandon, G.P., Schoeppner, G.A.

    Published in Polymer degradation and stability (01-11-2007)
    “…The effect of polishing time on measured oxidation thickness and elastic modulus of isothermally aged PMR-15 neat resin was investigated. A specimen aged 956 h…”
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    Journal Article
  10. 10

    Predicting the effect of non-uniform ply cracking on the thermoelastic properties of cross-ply laminates by McCartney, L.N., Schoeppner, G.A.

    Published in Composites science and technology (01-11-2002)
    “…When damage in the form of ply cracks in laminated composites arises during loading, the cracks are in general non-uniformly spaced due to property and…”
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    Journal Article
  11. 11

    Application of three-dimensional spline variational analysis for composite repair by Fredrickson, B.M., Schoeppner, G.A., Mollenhauer, D.H., Palazotto, A.N.

    Published in Composite structures (01-04-2008)
    “…The purpose of this research was to apply a non-commercialized spline-based (B-spline analysis method or BSAM) computer program to model and predict strain…”
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    Journal Article
  12. 12

    Moiré interferometry measurements of composite laminate repair behavior: Influence of grating thickness on interlaminar response by Mollenhauer, D.H., Fredrickson, B.M., Schoeppner, G.A., Iarve, E.V., Palazotto, A.N.

    “…Bonded scarf-lap and step-lap specimens representative of fully repaired composites were fabricated from two quasi-isotropic sixteen ply panels made from…”
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    Journal Article
  13. 13

    Impression creep of PMR-15 resin at elevated temperatures by Chen, Rong, Lu, Y.C., Yang, Fuqian, Tandon, G.P., Schoeppner, G.A.

    Published in Polymer engineering and science (01-01-2010)
    “…The polyimides formed from the polymerization of monomeric‐reactants (PMR) approach have been increasingly used as matrix materials in fiber‐reinforced…”
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    Journal Article
  14. 14

    Comparison of models for transverse ply cracks in composite laminates by McCartney, L.N., Schoeppner, G.A., Becker, W.

    Published in Composites science and technology (01-09-2000)
    “…Ply-level transverse cracking often results in the loss of strength and stiffness and changes in the coefficients of thermal expansion (CTE), and it also…”
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    Journal Article
  15. 15

    Effective elastic and failure properties of fiber aligned composites by Buryachenko, V.A., Schoeppner, G.A.

    “…A digital image processing technique is used for measurement of centroid coordinates of fibers with forthcoming estimation of statistical parameters and…”
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    Journal Article
  16. 16

    The influence of adhesive reinforcement on the Mode-I fracture toughness of a bonded joint by Forte, M.S., Whitney, J.M., Schoeppner, G.A.

    Published in Composites science and technology (01-09-2000)
    “…The influence of adhesive reinforcement on the Mode-I fracture toughness of a double-cantilever beam specimen has been investigated. An analytical model based…”
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    Journal Article
  17. 17

    Stress fields and energy release rates in cross-ply laminates by Schoeppner, G.A., Pagano, N.J.

    “…A method to model the thermoelastic response of flat laminated composites using a large radius axisymmetric hollow layered cylinder model is presented. An…”
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    Journal Article