Hybrid Carbon-Glass Fiber/Toughened Epoxy Thick Composite Joints Subject to Drop-Weight and Ballistic Impacts

This ARO project from City College of City University of New York (CCNY of CUNY) was submitted in response to ARO's FY 2002 DoD Instrumentation and Research Support for Hispanic Serving Institutions (HSIs), BAA No. DAAD19-02-R-0010 to conduct research on hybrid carbon-S2 glass fiber/toughened e...

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Bibliographic Details
Main Authors: Liaw, Benjamin, Delale, Feridun
Format: Report
Language:English
Subjects:
BALLISTIC IMPACT
Ballistics
CIA(COMPOSITE INTEGRAL ARMORS)
COMPOSITE JOINTS
Couplers, Fasteners, and Joints
DAMAGE
DROP-WEIGHT IMPACT
EPOXY COMPOSITES
FCS(FUTURE COMBAT SYSTEMS)
FIBER REINFORCED COMPOSITES
FINITE ELEMENT ANALYSIS
GLASS FIBERS
HYBRIDIZATION
IMPACT TESTS
JOINTS
Laminates and Composite Materials
Mechanics
MILITARY VEHICLES
TENSILE PROPERTIES
TERMINAL BALLISTICS
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Summary:This ARO project from City College of City University of New York (CCNY of CUNY) was submitted in response to ARO's FY 2002 DoD Instrumentation and Research Support for Hispanic Serving Institutions (HSIs), BAA No. DAAD19-02-R-0010 to conduct research on hybrid carbon-S2 glass fiber/toughened epoxy thick-section, hybrid interwoven composite joints subject to drop-weight and ballistic impacts. Dr. Basavaraju B. Raju of U.S. Army TACOM-TARDEC was the research collaborator and Dr. Bruce LaMattina of ARO was the program manager. The main objectives of this project are (1) to conduct tensile, drop-weight impact and ballistic impact tests of monolithic S2 glass fiber/toughened epoxy composites and hybrid carbon-S2 glass fiber/toughened epoxy composites, (2) to verify the experimental results using damage-mechanics based, 3-D dynamic nonlinear finite element method embedded in a commercial software package, LS-DYNA, (i.e., a combined experimental-numerical approach was used in the research), (3) to provide data of research results to supplement Army's current missions in the FCS, (4) to enhance the proposers' research capabilities on composites at their institute through interaction with Army researchers and facilities so that they may participate in Army's mainstream research in the future, and (5) to involve graduate and undergraduate students, especially those from underrepresented minorities, actively in the research so that they can gain meaningful research experience and may develop interest in pursuing advanced degrees in engineering. It is believed that results obtained in this study could benefit several Army missions and current interests in the development and implementation of Future Combat Systems (FCS), such as damage tolerance and ballistic impact study of composite integral armors (CIAs) for composite armored vehicles (CAVs) demonstrator, rotary-wing structures technology (RWST) for RAH-66 Comanche's lower forward fuselage demonstrator, etc. The original document contains color images.