This book presents the proceedings of the American Society for Composites 39th Technical Conference. This volume, the third of six volumes, gathers studies and findings related to testing with ASTM standards, assessment of the effects of defects, aspects of Nondestructive Evaluation (NDE) of composites, and processes toward sustainable composites. The content includes experimental and computational approaches that contribute to advancing knowledge in the characterization of composite behavior, assessment of manufacturing defects and damage growth on mechanical properties and failure, nondestructive characterization of the material and its process, diagnostics & prognostics, imaging, and the development of recycled and sustainable practices for composite materials.
Part 1: ASTM D30 Special Sessions.
Chapter 1: A Fracture Mechanics
Based Methodology to Address Face Sheet/Core Disbonding in Composite Sandwich
Structures.
Chapter 2: A Study of ASTM C273 Core Shear Test Protocol.-
Chapter 3: Basalt Fiber Composite: Characterization and Adaptation of ASTM
Standard for Full Field Measurement.
Chapter 4: Characterizing the
Mixed-Mode Tack/ Decohesion Response of Uncured Thermoset Carbon/ Epoxy
Tows.- Part 2: Effects of Defects.- Chapter 5: High-Fidelity Modeling of
Bondline Failure in Polymeric Matrix Composites Considering the Effects of
Manufacturing Defects.
Chapter 6: Manufacturing Defects in Carbon
Fiber-Reinforced Woven Composites Made of Repurposed Prepreg Scraps.
Chapter
7: Multiscale Modeling for Predicting Mechanical Properties of Open Hole
Laminates in 3D-Printed Carbon-Fiber-Reinforced Thermoplastics.
Chapter 8:
Understanding Strain Rates and Defects in Composite Energy Absorbers.- Part
3: NDE of Composites - Diagnostics & Prognostics.
Chapter 9: Nondestructive
Ultrasonic Testing of Aerospace Composite Parts via Efficient Inversion of
Elastic Constants.
Chapter 10: Time-Frequency Analysis for Interlaminar
Defect Characterization in Composite Plates Through Ultrasonic Guided Waves.-
Part 4: NDE of Composites - Imaging.
Chapter 11: Damage Imaging in Stiffened
Composite Panels by Ultrasonic Sparse Array Matched Field Processing.-
Chapter 12: Improving Nondestructive Evaluation of Additively Manufactured
Composites Using Ultrasound Data Fusion.
Chapter 13: Infrared Thermography
Based Rapid Fatigue Characterization of Woven FRP Composites with Complex
Geometry.- Part 5: NDE of Composites - Material Characterization and Process
Modeling.
Chapter 14: Damage Assessment in Composite Materials with Thermal
Methods.
Chapter 15: Detection and Localization of a Fold, Twist, and
Overlaps Within Tow-Steered Composite Panels During Autoclave Cure.
Chapter
16: Evaluation of Interlaminar Fracture Toughness of Out of Plane Wrinkled
Prepreg Woven CFRP Laminates.
Chapter 17: Investigation of Lamb Wave
Characteristics in Composite Oriented Strand Board Plates.
Chapter 18:
Nondestructive Techniques for Characterization of Damage and Thermomechanical
Signatures for Optimizing Composite Drilling.- Part 6: Sustainability of
Composites.- Chapter 19: Development and Sheet Molding Compound (SMC) of
Polydimethylsiloxane Composites for Thermal Insulation Applications.
Chapter
20: Efficient Depolymerization of Amine-Cured Epoxy Composite and Recovery of
Bisphenol-A by a NaOH_KOH Eutectic.
Chapter 21: Elucidating the Effect of
Vertical Aligned Carbon Nanotubes on the Progressive Failure of Tow-Based
Discontinuous Composites.
Chapter 22: Recycled Poly(Ethylene Terephthalate)
for a Circular Economy Approach: Case Study of a 3D Printed Wind Energy
Generator.
Paul Davidson is an Assistant Professor at the University of Texas at Arlington. He received his PhD in Mechanical Engineering from the University of Michigan, Ann Arbor. His career spans both private and public sector institutions. Before becoming a faculty member University of Texas at Arlington, Dr. Davidson was an Assistant Research Scientist at the University of Michigan, Ann Arbor, and a Post Doctoral Fellow at the University of Washington. In addition, he worked as an engineer in the Product Development and Research divisions of Visteon Global, Modine Thermal Systems, and General Electric Global Research Center. Dr. Davidson's research interests lie in the intersection of advanced computational methods, data analytics, and inspection methods with applications in advanced manufacturing, in-service maintenance, and aviation safety. Experimental, computational, and theoretical mechanics form the basis for many research activities.
Margherita Capriotti received her Ph.D. in Structural Engineering from the University of California San Diego after graduating with her B.S. and M.S. in Mechanical Engineering at the University of Parma (Italy). She has been a postdoctoral Research Fellow at Mayo Clinic and an Assistant Professor in the Department of Aerospace Engineering at San Diego State University. Dr. Capriotti's research focuses on nondestructive evaluation techniques, mainly ultrasonic and infrared, for aerospace composite structures. She investigates thermal and elastic wave propagation for structural assessment, combining computational and experimental research.
Ranatunga is a Technical Advisor at the Air Force Research Laboratory at the Wright Patterson AFB and works in fields of computational and experimental solid mechanics. He works with the development of computational methods for modeling progressive failure and damage in composites, testing and analysis work related to certification of composite aircraft structures, and developing damage tolerant aircraft structures.
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