Accession Number : ADA305268

Title :   Tough Composite Materials,

Corporate Author : NATIONAL AERONAUTICS AND SPACE ADMINISTRATION HAMPTON VA LANGLEY RESEARCH CEN TER

Personal Author(s) : Vosteen, Louis F. ; Johnston, Norman J. ; Teichman, Louis A.

PDF Url : ADA305268

Report Date : DEC 1984

Pagination or Media Count : 380

Abstract : Partial contents include: (1) CHARACTERIZATION OF INTERLAMINAR CRACK GROWTH IN COMPOSITES WITH THE DOUBLE CANTILEVER BEAM SPECIMEN; (2) CHARACTERIZING DELAMINATION RESISTANCE OF TOUGHENED RESIN COMPOSITES; (3) COMPOSITE MATERIALS CHARACTERIZATION AND DEVELOPMENT AT AFWAL; (4) EFFECT OF IMPACT DAMAGE AND OPEN HOLES ON THE COMPRESSION STRENGTH OF TOUGH RESIN/HIGH STRAIN FIBER LAMINATES; (5) EFFECTS OF CONSTITUENT PROPERTIES ON COMPRESSION FAILURE MECHANISMS; (6) THE EFFECT OF MATRIX AND FIBER PROPERTIES ON IMPACT RESISTANCE; (7) FUNDAMENTAL STUDIES OF COMPOSITE TOUGHNESS; (8) INVESTIGATION OF TOUGHENED NEAT RESINS AND THEIR RELATIONS TO ADVANCED COMPOSITE MECHANICAL PROPERTIES; (9) CONSTITUENT PROPERTY - COMPOSITE PROPERTY RELATIONSHIPS IN THERMOSET MATRICES; (10) THE EFFECT OF CROSS-LINK DENSITY ON THE TOUGHENING MECHANISM 0 ELASTOMER-MODIFIED EPOXIES; (11) FREE VOLUME CONSIDERATIONS IN THERMOPLASTIC AND THERMOSETTING RESIN; (12) ThE CHEMICAL NATURE OF THE FIBER/RESIN INTERFACE IN COMPOSITE MATERIALS; (13) COMPOSITE PROPERTY DEPENDENCE ON THE FIBER, MATRIX, AND THE INTERPHASE; (14) NEWER CARBON FIBERS AND ThEIR PROPERTIES; (15) DEVELOPMENT OF A HETEROGENEOUS LAMINATING RESIN; (16) MODIFIED EPOXY COMPOSITES; (17) MORPHOLOGY AND DYNAMIC MECHANICAL PROPERTIES OF DIGLYCIDYL ETHER OF BISPHENOL-A TOUGHENED WITH CARBOXYL-TERMINATED BUTADIENE-ACRYLONITRILE; (18) MATRIX RESIN CHARACTERIZATION IN CURED GRAPHITE COMPOSITES USING DIFFUSE REFLECTANCE-FTIR; (19) SOLVENT RESISTANT THERMOPLASTIC COMPOSITE MATRICES; (20) THERMOPLASTIC/MELT-PROCESSABLE POLYIMIDES; and (21) ALIPHATIC-AROMATIC HETEROCYCLICS AS POTENTIAL THERMOPLASTICS FOR COMPOSITE MATRICES. (AN)

Descriptors :   *MATRIX MATERIALS, *EPOXY LAMINATES, *EPOXY COMPOSITES, STRESS STRAIN RELATIONS, SYMPOSIA, DAMAGE, FIBER REINFORCED COMPOSITES, SYNTHESIS(CHEMISTRY), ELASTOMERS, ACRYLONITRILE POLYMERS, GRAPHITE, CARBON FIBERS, TOUGHNESS, FRACTURE(MECHANICS), CHEMICAL COMPOSITION, IMPACT STRENGTH, CROSSLINKING(CHEMISTRY), CRACK PROPAGATION, HOLES(OPENINGS), HETEROGENEITY, SOLVENTS, GLYCIDYL ETHER, FAILURE(MECHANICS), COMPRESSIVE STRENGTH, EPOXY RESINS, DELAMINATION, BUTADIENES, ALIPHATIC HYDROCARBONS, CANTILEVER BEAMS, POLYIMIDE RESINS.

Subject Categories : Laminates and Composite Materials

Distribution Statement : APPROVED FOR PUBLIC RELEASE