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Of graphite-epoxy

Figure 5-39 Uniaxial Buckling Loads of Graphite-Epoxy... Figure 5-39 Uniaxial Buckling Loads of Graphite-Epoxy...
Energy Impact Strength of Graphite/Epoxy Composites An Initial Exploration , PLASTEC Note N25 (1973) 41) N.E. Beach, Govern-... [Pg.789]

Madhukar, M.S. and Drzal, L.T. (1991). Fiber-matrix adhesion and its effects on composite mechanical properties II. Longitudinal (0°) and transverse (90°) tensile and flexural behaviour of graphite/epoxy composites. J. Composite Mater. 25, 958-991. [Pg.89]

Russell, A.J. and Street, K.N. (1984). Factors affecting the interlaminar fracture energy of graphite/epoxy laminates. In Proc. 4th Intern. Conf. on Composite Materials. (T. Hayashi, K. Kawata and S. Umekawa eds.), Japan Society of Composites Materials, Tokyo, p. 129. [Pg.91]

Caprino, G. Halpin, J.C. and Nicolais, L. (1980). Fracture toughness of graphite/epoxy laminates. Composites 11, 105-107. [Pg.274]

Morris, D.H. and Hahn, H.T. (1977). Fracture resistance characterisation of graphite/epoxy composites. In Composite Materials Testing and Design (Fourth Conf), ASTM STP 617, ASTM, Philadelphia, PA, pp. 5 17. [Pg.276]

Jea L.C. and Felbeck D.K. (1980). Increased fracture toughness of graphite epoxy composites through intermittent interlaminar bonding. J. Composite Mater. 15, 245-159,... [Pg.323]

Rhee, H.W. and Bell, J.P. (1991). Effects of reactive and non-reactive fiber coatings upon performance of graphite/epoxy composites. Polym. Composites 12, 213-225. [Pg.326]

Ishai O., Rosenthal H., Sela N. and Drukker E. (1988). Effect of selective adhesive interleaving on interlaminar fracture toughness of graphite/epoxy composite laminates. Composites 19, 49-54. [Pg.362]

Figure 11. Sketch of the specimen and test configuration to detect EE and AE from the interlaminar fracture of graphite/epoxy composites. Figure 11. Sketch of the specimen and test configuration to detect EE and AE from the interlaminar fracture of graphite/epoxy composites.
Loos, A., Springer, G. Curing of Graphite/Epoxy Composites, Air Force Contract AFWAL-TR-83-4040, Interim Report for June 1982-March 1983... [Pg.315]

Verette, R. M. Temperature/humidity effects on the strength of graphite epoxy laminates, A1AA Paper No. 75-1011 (1975)... [Pg.44]

Figure 7.3 represents the stripping curves and the corresponding calibration plot (inset) for lead obtained for a iacc of 60 s and a 7strip of 1 pA. Each point in the calibration curve corresponds to the mean of three parallel measurements performed consecutively in the same cell without polishing the electrode. The error bars are the standard deviations of these measurements. Possible changes of graphite-epoxy electrode surface in contact with solution should have the effect of repeatability of the response. A DL of approximately 200 ppb of lead was determined... [Pg.148]

The possible use of graphite-epoxy material by screen-printing technology opens the possibility of mass production of disposable sensors for heavy-metal analysis using stripping techniques. The utilization of these sensors for an extensive application in real heavy-metal samples is underway in our laboratories. [Pg.159]

On the other hand, manually mix epoxy resin and hardener in the ratio 20 3 (w/w) using a spatula. When the resin and hardener are well mixed, add the graphite powder (particle size 50 pm) in the ratio 20 80 (w/w) and mix thoroughly for 30 min to obtain a homogeneous paste of graphite-epoxy composite. Place the resulting paste into the cylindrical PYC sleeve, onto the copper disk. [Pg.1315]

Incorporate the neodymium magnet into the body of the paste of graphite-epoxy composite, 2 mm under the surface of the electrode [1] and continue placing the paste until filling all the cavity. Cure the conducting composite at 40°C during 1 week. Once the resin is hardened, polish the surface first with abrasive paper and then with alumina paper. [Pg.1315]

Kibler, K. G. Time-dependent Environmental Behavior of Graphite/Epoxy Composites. U.S. Air Force Wright Aeronautical Laboratories Report AFWAL-TR-80-4052 (1980)... [Pg.169]

Ascorbic acid (1) is most commonly used for testing the performance of electrodes in redox systems. Thus, a Ag-Ag ascorbate selective electrode was constructed with view to use it for vitamin C determination. Its reproducibility and stability was satisfactory and ascorbate ion concentration could be determined in neutral, alkaline and alcoholic media" . A voltametric study was carried out for the evaluation of graphite-epoxy composite (GEC) electrodes for use in the determination of ascorbic acid and hydroquinone. They were compared with mercury and CPE in similar operating conditions of pH and supporting electrolytes. Like all redox electrodes, also GEC electrodes deteriorate on exposure to air or after repeated usage, and the surface had to be renewed for activation. GEC electrodes were found to be adequate for redox system analyses"". The electrocatalytic oxidation of 1 is an amplification method for determination of specific miRNA strands using the An biosensor described in Table 1 . [Pg.699]

Balageas cl al. showed that measuring both the apparent elTusivity of a composite and the thermal resistance between two layers can be a useful exercise in the determination of the depth at which delamination has occurred in carbon epoxy laminates [73]. The heat flow in a single layer of graphite epoxy composite with a constant flux applied to one surface is given by [74]... [Pg.794]


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