Advances in Ceramic Armor III, Volume 28, Issue 5

ISBN-13: 9780470196366 / Angielski / Twarda / 2007 / 236 str.

L. Franks

Opis

Papers from The American Ceramic Society's 31st International Conference on Advanced Ceramics and Composites, held in Daytona Beach, Florida, January 21-26, 2007. Topics include transparent ceramics for impact resistance, protection against mine blast and fragments, challenges facing ceramic armor manufacturers, novel material concepts and development of valid armor design and characterization tools to predict performance for air and ground vehicles as well as the individual soldier.

Spis treści

Preface ix

Introduction xi

GENERAL/OVERVIEW

Research in Sweden on Dwell in Ceramics 3
Patrik Lundberg

The Influence of Tile Size on the Ballistic Performance of a Ceramic–Faced Polymer 19
Paul J. Hazell, Mauricio Moutinho, Colin J. Roberson, and Nicholas Moore

Static and Dynamic Indentation Response of Fine Grained Boron Carbide 29
Ghatu Subhash, Dipankar Ghosh, and Spandan Maiti

Hierarchy of Key Influences on the Ballistic Strength of Opaque and Transparent Armor 45
Andreas Krell and Elrnar Strassburger

Concepts for Energy Absorption and Dissipation in Ceramic Armor 57
Dong–Kyu Kim, Jonathan Bell, Dechang Jia, Waltraud M. Kriven, and Victor Kelsey

Some Practical Requirements for Alumina Armor Systems 71
K. Sujirote, K. Dateraksa, and N. Chollacoop

GLASSES AND TRANSPARENT CERAMICS

Limit Analyses for Surface Crack Instantaneous Propagation Angles in Elastic Hertzian Field 93
Xin Sun and Moharnrnad A. Khaleel

Dynamic Failure of a Borosilicate Glass Under Compression/Shear Loading 103
X. Nie and W. Chen

Ballistic Performance of Commercially Available Saint–Gobain Sapphire Transparent Armor Composites 113
Christopher D. Jones, Jeffrey 8. Rioux, John W. Locher, Vincent Pluen, and Mattias Mandelartz

OPAQUE CERAMICS

Synthesis of Ceramic Eutectics Using Microwave Processing 127
Anton V. Polotai, Jiping Cheng, Dinesh K. Agrawal, Elizabeth C. Dickey, and Sheldon Cytron

Hot Pressing of Boron Carbide Using Metallic Carbides as Additives 135
Pedro August0 de S.L. Cosentino, Celio A. Costa, Jose Brant de Campos, and Roberto Ribeiro de Avillez

Spatial Distribution of Defects in Silicon Carbide and its Correlation with Localized Property Measurements 143
Memduh V. Dernirbas, Richard A. Haber, and Raymond E. Brennan

Silicon Carbide Microstructure Improvements for Armor Applications 155
Steven Mercurio and Richard A. Haber

The Effect of Si Content on the Properties of B,C–SIC–Si Composites 161
P. Chhillar, M. K. Aghajanian, D. D. Marchant, R. A. Haber, and M. Sennett

DAMAGE AND TESTING

Preliminary Investigation of Damage in an Armor–Grade B4C Induced by Quasi–Static Hertzian Indentation 171
R.C. McCuiston, H.T. Miller, and J.C. LaSalvia

In–Situ Fragment Analysis with X–ray Computed Tomography, XCT 181
J.M. Wells

Ballistically–Induced Damage in Ceramic Targets as Revealed by X–ray Computed Tomography 193
H.T. Miller, W.H. Green, and J.C. LaSalvia

On Continuing the Evolution of XCT Engineering Capabilities for Impact Damage Diagnostics 203
J.M. Wells

Elastic Property Mapping Using Ultrasonic Imaging 213
Raymond Brennan, Richard Haber, Dale Niesz, George Sigel, and James McCauley

Author Index 223

O autorze

Jonathan Salem is a Materials Research Engineer at NASA Glenn Research Center in Cleveland, OH. He received a BS in Materials Science and Metallurgical Engineering from theUniversity ofCincinnati in 1983 and worked at NASA–Lewis as a Materials Research Engineer for two years performing heat treatment and fracture studies of titanium and steel alloys.  In 1987 he received an MS in Materials Science from theUniversity ofWashington,Seattle and served at NASA Glenn as Project Leader of the Toughened Ceramics Life Prediction Program on development of mechanical testing methods and standards for ceramic materials.  In 1999 he received a PhD in Mechanical engineering from theUniversity ofWashington. Presently, he is involved with the room and elevated temperature mechanical testing and reliability modeling of ceramic, intermetallic and composite materials for the Life Prediction, where briefly served as a temporary Deputy Branch Chief. Prior to working at NASA, he worked in Quality Assurance at Powell Valve,Cincinnati,OH, and at Forest City Foundries, Cleveland, OH. He authored or co–authored over 60 archival publications, over 70 proceedings publications, and four national and international standards on mechanics of ceramics. He is a fellow of American Society for Testing and Materials and received a NASA Manned Spaced Flight Awareness Award for work on ceramic bearings for the Space Shuttle Main Engine Turbo–pump. In 2004, he received the Richard M. Fulrath Award from the American Ceramic Society for development of technical standards for design of structural ceramics.

Dongming Zhu is a senior Materials Research Engineer at Army Research Laboratory, Vehicle Technology Directorate, and Durability and Protective Coatings Branch of Structures and Materials Division, at NASA Glenn Research Center. His expertise covers the areas of thermal conductivity, lattice defects and transport, high temperature oxidation, high–heat–flux testing, and mechanical behavior of ceramic coating systems, with an emphasis on experimental investigation and analytical modeling of processing, thermal fatigue and fracture behavior of advanced protective coatings and composites. His major contributions include the development of low conductivity thermal barrier coatings for turbine airfoil applications, 1650°C thermal/environmental barrier coatings for SiC/SiC ceramic matrix composite (CMC) turbine vane and combustor liner applications. He has authored more than 100 archival publications and three patents. He is a member of the American Ceramic Society and ASM, International, has been a lead organizer for several International Symposia. He is currently the Chair–elect of the Engineering Ceramic Division of the American Ceramic Society, and an associate editor of the International Journal of Applied Ceramic Technology. He has received several awards from NASA and professional societies. He received his Ph.D. degree in Chemical Engineering and Materials Science from theUniversity ofMinnesota in 1996.