Topics: Composite materials , Damage , Fiber reinforced composites , Fibers , Finite element analysis , Manufacturing , Potential energy , Stiffness , Stress , Theorems (Mathematics)

Comparison of Stress Concentrations in Plain and 8-Harness Satin Weave Composites

John Whitcomb, Xiaodong Tang, Clinton Chapman

IMECE 1998; 23-32doi:https://doi.org/10.1115/IMECE1998-0357

Abstract

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Topics: Composite materials , Satin , Stress , Finite element analysis

Effect of Different Thermal Cycles on TBC Spallation Lifetime

S. Q. Nusier, G. M. Newaz, Z. A. Chaudhury, X. Chen, J. M. Khan

IMECE 1998; 33-41doi:https://doi.org/10.1115/IMECE1998-0358

Abstract

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Topics: Cycles , Spallation (Nuclear physics) , Temperature , Accounting , Damage , Thermal barrier coatings

Prediction of Metal Matrix Composite Response to Multiaxial Stresses

Jalees Ahmad, Golam M. Newaz, Theodore Nicholas

IMECE 1998; 43-59doi:https://doi.org/10.1115/IMECE1998-0359

Abstract

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Topics: Metal matrix composites , Stress , Composite materials , Damage , Deformation , Design , Finite element analysis , Stress analysis (Engineering)

Durability of Ceramic Matrix Composites

Michael S. Pastor, Scott W. Case, Ken L. Reifsnider

IMECE 1998; 61-66doi:https://doi.org/10.1115/IMECE1998-0360

Abstract

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Topics: Ceramic matrix composites , Ceramics , Composite materials , Damage , Ductility , Durability , Fatigue , Fiber reinforced ceramics , Gas turbines , High temperature

Plastic and Viscoplastic Effects on Residual Strength of a Titanium Matrix Composite After Thermomechanical Fatigue

Joseph L. Kroupa

IMECE 1998; 67-71doi:https://doi.org/10.1115/IMECE1998-0361

Abstract

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Topics: Composite materials , Fatigue , Thermomechanics , Titanium , Fibers , Plasticity , Stress , Residual stresses , Temperature , Cooling

Time-Dependent Degradation in Fiber Composites due to Multiple Constituent Degradation Mechanisms

N. Iyengar, S. W. Case, H. G. Halverson, W. A. Curtin

IMECE 1998; 73doi:https://doi.org/10.1115/IMECE1998-0362

Abstract

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Topics: Composite materials , Fibers , Failure , Creep , Fracture (Materials) , Stress , Damage , Deformation , Fiber reinforced composites , Temperature

Fatigue Behavior and Life Simulation of Torsion Loaded Glass Fiber/Vinylester Tubes

Norbert A. Himmel, Michael C. Kienert

IMECE 1998; 75-84doi:https://doi.org/10.1115/IMECE1998-0363

Abstract

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Topics: Fatigue , Glass fibers , Simulation , Torsion , Damage , Fatigue life , Fracture (Process) , Stress , Composite materials , Delamination

Durability of Woven Polymer Matrix Composites

Sneha R. Patel, Scott W. Case, Ken L. Reifsnider

IMECE 1998; 85-90doi:https://doi.org/10.1115/IMECE1998-0364

Abstract

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Topics: Aircraft , Composite materials , Cracking (Materials) , Damage , Delamination , Density , Durability , Failure , Failure mechanisms , Fatigue

Simulation of Fatigue Performance of Polymeric Composites for Infrastructure Applications

Fred McBagonluri, Glenn Foster, Scott Case, Bill Curtin, John Lesko

IMECE 1998; 91-96doi:https://doi.org/10.1115/IMECE1998-0365

Abstract

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Topics: Fatigue , Polymer composites , Simulation , Glass , Fibers , Stress , Tensile strength , Composite materials , Epoxy adhesives , Epoxy resins

Life Prediction of Metal Matrix Composites: A Comparison of Different Matrix Constitutive Relations

Jalees Ahmad, Unnikrishnan Santhosh

IMECE 1998; 97-108doi:https://doi.org/10.1115/IMECE1998-0366

Abstract

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Topics: Constitutive equations , Metal matrix composites , Fibers , Deformation , Composite materials , Damage , Residual stresses , Stress , Finite element analysis , Fracture (Materials)

Behavior of Aluminum and Plastic Bumpers Under Low and High Speed Vehicle Impacts

Bhimaraddi Alavandi, Nripen Saha

IMECE 1998; 109-114doi:https://doi.org/10.1115/IMECE1998-0367

Abstract

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Topics: Aluminum , Vehicles , Absorption , Deformation , Failure mechanisms , Steel , Weight (Mass) , Automotive engineers , Corporate average fuel economy , Crashworthiness

An Innovative Approach to Improve Energy Absorption in Polymeric Composite Tubes

Mahmoud M. Abdel-Haq, Golam M. Newaz

IMECE 1998; 115-121doi:https://doi.org/10.1115/IMECE1998-0368

Abstract

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Topics: Absorption , Polymer composites , Failure mechanisms , Fracture (Materials) , Composite materials , Delamination , Peak load , Polyester fabrics , Stress

Micromechanics-Based Modeling of Uniaxially and Biaxially Compressed Graphite/Epoxy Laminates

Serge Hauert, Daniel S. Potter, Vijay Gupta

IMECE 1998; 123-125doi:https://doi.org/10.1115/IMECE1998-0369

Abstract

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Topics: Epoxy adhesives , Epoxy resins , Graphite , Laminates , Micromechanics (Engineering) , Modeling , Fracture (Materials) , Stress , Brittleness , Delamination

A 3D Nonplanar Fracture Model for Life Prediction

Scott C. Forth, William D. Keat

IMECE 1998; 127-133doi:https://doi.org/10.1115/IMECE1998-0370

Abstract

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Topics: Fracture (Materials) , Finite element analysis , Boundary-value problems , Design , Fatigue life , Finite element model , Simulation

Discrepancies Between High Temperature Fatigue Life Prediction Models

Abbas A. Moftakhar

IMECE 1998; 135-143doi:https://doi.org/10.1115/IMECE1998-0371

Abstract

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Topics: Fatigue life , High temperature , Creep , Rupture , Compressive stress , Damage , Electromagnetic scattering , Fatigue , Heat , Pressure vessels

Life Extension of an X-Ray Tube Target

Constantinos Minas, Mark E. Vermilyea

IMECE 1998; 145-148doi:https://doi.org/10.1115/IMECE1998-0372

Abstract

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Topics: Life extension , X-rays , Stress , Manufacturing , Imaging , Temperature distribution , Design , Experimental design , Finite element model , Geometry

On the Role of Damage Mechanics in Life Prediction of Composite Structures

Ramesh Talreja

IMECE 1998; 149doi:https://doi.org/10.1115/IMECE1998-0373

Abstract

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Topics: Composite materials , Damage mechanics , Materials science , Testing

Sandwich Construction for Large Transport Aircrafts

Theory of Box-Type Sandwich Shells With Dissimilar Facings Subjected to Thermomechanical Loads

Victor Birman, George J. Simitses

IMECE 1998; 151-163doi:https://doi.org/10.1115/IMECE1998-0374

Abstract

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Topics: Foundry coatings , Shells , Stress , Thermomechanics , Composite materials , Corners (Structural elements) , Deformation , Equations of motion , Load bearing capacity , Materials properties

An Assessment of the Textile Preform Technology for Structural Composites

Tsu-Wei Chou, Ryuta Kamiya, Bryan A. Cheeseman

IMECE 1998; 165-171doi:https://doi.org/10.1115/IMECE1998-0375

Abstract

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Topics: Composite materials , Preforms , Textiles , Architecture , Design methodology , Forming techniques , Fracture toughness , Structural elements (Construction)

Growth of Face-Sheet Delaminations in Sandwich Beams Under Compression or Bending

G. A. Kardomateas

IMECE 1998; 173-179doi:https://doi.org/10.1115/IMECE1998-0376

Abstract

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Topics: Compression , Delamination , Fracture (Materials) , Buckling , Composite materials , Stress , Deflection , Fibers , Stiffness

Mold Filling Simulation of Sandwich Composite Structures Manufactured by Liquid Molding

Pavel Nedanov, Suresh G. Advani

IMECE 1998; 181-186doi:https://doi.org/10.1115/IMECE1998-0377

Abstract

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Topics: Composite materials , Molding , Simulation , Fibers , Flow (Dynamics) , Permeability , Computer simulation , Foundry coatings , Manufacturing

Bending Stress Reduction Through Mid-Plane Asymmetry in a Composite Sandwich Shell

Zhaohui Chen, Jack R. Vinson

IMECE 1998; 187-192doi:https://doi.org/10.1115/IMECE1998-0378

Abstract

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Topics: Bending (Stress) , Composite materials , Shells , Construction , Stress , Aircraft , Deformation , Laminates , Membranes , Pipes

Nonlinear Behavior of Sandwich Panels With a Transversely Flexible Core: High-Order Theory Approach

V. Sokolinsky, Y. Frostig

IMECE 1998; 193-206doi:https://doi.org/10.1115/IMECE1998-0379

Abstract

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Topics: Algorithms , Buckling , Composite materials , Compression , Construction , Deformation , Equilibrium (Physics) , Honeycomb structures , Sandwich structures , Separation (Technology)

Compressive Failure of Debonded Sandwich Beams

John L. Avery, III, Manickam Narayanan, Bhavani V. Sankar

IMECE 1998; 207-217doi:https://doi.org/10.1115/IMECE1998-0380

Abstract

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Topics: Aramid fibers , Buckling , Cantilever beams , Compression , Delamination , Epoxy adhesives , Epoxy resins , Failure , Finite element model , Fracture toughness

A Local/Global Sandwich Homogenization Procedure for Finite Element Simulation

Ala Tabiei, Romil R. Tanov

IMECE 1998; 219-235doi:https://doi.org/10.1115/IMECE1998-0381

Abstract

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Topics: Finite element analysis , Simulation , Shells , Stress , Composite materials , Degrees of freedom , Micromechanics (Engineering) , Sandwich construction , Textiles , Woven composites

Recent Studies of Sound Transmission Loss of Sandwich Aircraft Structures

Priya Thamburaj, J. Q. Sun

IMECE 1998; 237-244doi:https://doi.org/10.1115/IMECE1998-0382

Abstract

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Topics: Aircraft , Sound , Anisotropy , Transportation systems , Noise (Sound) , Skin , Vibration

Circular Cylindrical Sandwich Shells With Midplane Asymmetry Subjected to Axially Symmetric Loads

Eric C. Preissner, Jack R. Vinson

IMECE 1998; 245-252doi:https://doi.org/10.1115/IMECE1998-0383

Abstract

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Topics: Shells , Stress , Construction , Bending (Stress) , Circular cylindrical shells , Sandwich construction

Aerospace Composite Applications and Design Requirements

Advanced Composite Turbine Engine Experience

Theodore G. Fecke

IMECE 1998; 253doi:https://doi.org/10.1115/IMECE1998-0384

Abstract

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Topics: Composite materials , Gas turbines , Design , Engines , Thrust , Ceramic matrix composites , Failure mechanisms , Manufacturing , Aircraft , Carbon

Composite Applications in Aircraft Gas Turbine Engines

Charles P. Logan, Charles R. Watson

IMECE 1998; 255doi:https://doi.org/10.1115/IMECE1998-0385

Abstract

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Topics: Aircraft , Composite materials , Gas turbines , Engines , Epoxy adhesives , Epoxy resins , Carbon , Acoustics , Weight (Mass) , Compression

Aerospace Composite Structures: Applications/Design/Analysis

Christos C. Chamis

IMECE 1998; 257doi:https://doi.org/10.1115/IMECE1998-0386

Abstract

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Topics: Aerospace composites , Design , Composite materials , Aerospace industry , Fibers , Manufacturing , Reliability , Risk , Satellites , Simulation

Building Block Approach for Composite Aircraft Structure Prototypes: Allowables and Building Block Testing for DOD/NASA Vehicles

Glenn C. Grimes

IMECE 1998; 259doi:https://doi.org/10.1115/IMECE1998-0387

Abstract

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Topics: Aircraft , Blocks (Building materials) , Composite materials , Engineering prototypes , NASA , Testing , US Department of Defense , Vehicles , Design , Analytical methods

Design Approaches for Optical Structures in Space Communication Systems

Keith T. Kedward

IMECE 1998; 261doi:https://doi.org/10.1115/IMECE1998-0388

Abstract

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Topics: Design , Composite materials , Mirrors , Optical mirrors , Anisotropy , Diffraction , Fibers , Laminates , Membranes , Space optics (Instruments)

Application of Composites in Helicopter Design at Sikorsky Aircraft

Alan L. Dobyns

IMECE 1998; 263doi:https://doi.org/10.1115/IMECE1998-0389

Abstract

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Topics: Aircraft , Composite materials , Design , Epoxy adhesives , Epoxy resins , Graphite , Fuels , Rotors , Army , Boron

Hydroelasticity, Unsteady Fluid Loading, and Life Prediction of Large Naval Structures

Hydrofoil Design and Optimization for Fast Ships

Eric Besnard, Adeline Schmitz, Kalle Kaups, George Tzong, Hamid Hefazi, Orhan Kural, Hsun Chen, Tuncer Cebeci

IMECE 1998; 265-275doi:https://doi.org/10.1115/IMECE1998-0390

Abstract

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Topics: Design , Hydrofoil , Optimization , Ships , Drag (Fluid dynamics) , Struts (Engineering) , Conceptual design , Flow (Dynamics) , Horsepower , Skin friction (Fluid dynamics)