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sandwich laminates

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Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003385
EISBN: 978-1-62708-195-5
..., structural laminates based on the finite stack effects and transverse shear stiffness effects. The article presents the study of instability associated with postbuckling behavior and hygrothermal buckling in composite sandwich panels and shell panels. References References 1. Lekhnitskii S.G...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... Tensile Properties of Hoop Wound Polymer Matrix Composite Cylinders Transverse tension D 5467 Compressive Properties of Unidirectional Polymer Matrix Composites Using a Sandwich Beam In-plane compression D 5766/D 5766M Open Hole Tensile Strength of Polymer Matrix Composite Laminates Open-hole...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003046
EISBN: 978-1-62708-200-6
... laminate repair have been validated in this article through the required environmental and load condition tests. These include bonded-scarf joint flush repair, double-scarf joint flush repair, blind-side banded-scarf repair, blind-side sandwich repair, and bonded external patch repair. A brief note...
Book Chapter

Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003383
EISBN: 978-1-62708-195-5
... ., Vol 18 , 1985 , p 161 – 165 16. Ni R.G. , Lin D.X. , and Adams R.D. , The Dynamic Properties of Carbon-Glass Fibre Sandwich-Laminated Composites: Theoretical, Experimental and Economic Considerations , Composites , Vol 15 , 1984 , p 297 – 304 17. Adams R.D...
Book Chapter

By Greg Kress
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003392
EISBN: 978-1-62708-195-5
... sandwich laminates, using aramid paper core, assembled with open- cell foaming adhesives have been problematic. Fig. 6 Moisture propagation into a honeycomb core sandwich structure Environmental considerations need to be addressed at all phases in the life cycle of a composite...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003413
EISBN: 978-1-62708-195-5
... Reinforcement Materials Reinforcement Processing Characteristics Resin Systems Curing Sandwich Structures Hollow Laminates Laminate/Preform Design Inserts Mold Design Flowpath Design Heating Structural Design Resin transfer molding was the subject of intense research...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003390
EISBN: 978-1-62708-195-5
.... Laminates: All constants and matrices; FPF, LPF (8 failure criteria for composite plies; 4 each for homogeneous and core plies); sandwich wrinkling; laminate and layer stress and strain.FEA: Export laminate properties to ABAQUS, ANSYS, ASKA, I-DEAS, MSC/NASTRAN Notched laminates; ply drop-offs; free-edge...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003454
EISBN: 978-1-62708-195-5
... composite ship structures are made of thick-section glass-reinforced polyester (GRP) laminate or a sandwich material consisting of GRP face skins covering a balsa or polymer foam core ( Ref 1 ). There are many ways that a composite component can be damaged in service, but in general it is due...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003456
EISBN: 978-1-62708-195-5
... panels and sandwich panels. Sandwich structures are the result of the bonding of thin face sheets separated by a low-density core ( Fig. 1 ). This type of structure results in an efficient and light structure of high flexural stiffness. The face sheets are laminates of glass, graphite, aramid...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003443
EISBN: 978-1-62708-195-5
...Selected standards for lamina and laminate mechanical testing Table 1 Selected standards for lamina and laminate mechanical testing Designation Title ASTM standards (a) C 393 Standard Test Method for Flexural Properties of Sandwich Constructions D 638 Standard Test Method...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003475
EISBN: 978-1-62708-195-5
... of 0.0±0.1 ppm/ °C. Figure 5 shows a composite truss-type optical bench structure, consisting of tubes with plates and a thick honeycomb sandwich panel. Optical benches have also been designed with facesheets and internal egg-crated ribs. Ribs are made from thin laminates and slotted half-height...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003406
EISBN: 978-1-62708-195-5
..., making a sandwich construction, and/ or making the laminate thicker. A significant weight saving compared with a similar steel construction can be realized (at least 50%) regardless of the type of polymer composite laminate construction. Three main visual aspects are color, surface gloss, and surface...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003388
EISBN: 978-1-62708-195-5
... Thickness and with Orthotropic Cores 1859 Elastic Buckling of a Simply Supported Sandwich Panel Subjected to Combined Edgewise Bending, Compression, and Shear 1867 Compressive Buckling Curves for Simply Supported Sandwich Panels with Glass-Fabric-Laminate Facings and Honeycomb Cores 1868...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003376
EISBN: 978-1-62708-195-5
... of composites in integrated structures are exploited, the complex configurations often result in out-of-plane loads on the laminate shells and integrated parts. Analyses of the out- of-plane effects are needed to ensure satisfactory performances, as discussed in the article “Out- of-Plane Analysis.” Sandwich...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
...°), graphite tape laminates. Unless otherwise specified, O. XX dimensions shall be ±0.76 mm (0.030 in.), O. XXX dimensions shall be ±0.25 mm (0.010 in.).” Source: Ref 12 Fig. 2 Streamlined tensile specimen. Source: Ref 13 For normal applications, the coupon is preferred, but for sandwich...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003481
EISBN: 978-1-62708-195-5
... uses a sandwich composite incorporating a polyvinyl chloride foam core and carbon-fiber/vinyl ester laminate skins manufactured using a resin-infusion laminating method. The use of carbon-fiber composite reflects the increased demand on hull girder stiffness from a vessel of this length. The composite...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001380
EISBN: 978-1-62708-173-3
..., including pack rolling. It describes a patented roll welding process for fabrication of heat exchangers. The article presents a table showing the typical properties of common roll welded clad laminates. The relative weldability of selected dissimilar metals and alloys roll welded into clad-laminate form...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003455
EISBN: 978-1-62708-195-5
... and having a uniform bonded overlap of 38 mm (1.5 in.) all around. The low-drag extended flap hinge fairings for the MD-80 are simple solid laminates made from basically five layers of Kevlar/epoxy cloth sandwiched between fiberglass/epoxy outer and inner faces. The fairings have co-cured local buildups...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003477
EISBN: 978-1-62708-195-5
..., the substructure also is solid laminate. Sandwich panels are used for the side skins of the forward fuselage, the upper and side skins of the rear fuselage, the landing gear doors and for load-carrying covers of the center fuselage. Trends clearly indicate that the use of composite structures will continue...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... and presents drawbacks and limitations of these techniques. Generic flaw types and flaw-producing mechanisms are listed in a table. The article discusses metal-to-metal defects, adherend defects, honeycomb sandwich defects, repair defects, and in-service defects. It reviews the methods applicable...