By Andrew Wereszczak, Edgar Lara-Curzio, Lisa Prokurat Franks
Those complaints comprise present examine from undefined, academia and executive firms, engaged on opaque and obvious ceramic armor. Papers on novel fabrics techniques for either motor vehicle and physique armors are incorporated, in addition to papers that discover the connection among computational modeling and estate testing.
those papers have been provided on the court cases of the thirtieth overseas convention on complicated Ceramics and Composites, January 22-27, 2006, Cocoa seashore, Florida. equipped and backed through the yankee Ceramic Society and the yankee Ceramic Society's Engineering Ceramics department at the side of the Nuclear and Environmental know-how Division.Content:
Chapter 1 A evaluation of Computational Ceramic Armor Modeling (pages 1–18): Charles E. Anderson
Chapter 2 Biomorphic Sisic?Materials for light-weight Armour (pages 20–31): Bernhard Heidenreich, Michaela Gahr, Dr. Ing. Ekkehard Lutz and Elmar Stra?urger
Chapter three evaluate of SiC Armor Tile utilizing Ultrasonic options (pages 33–41): J. Scott Steckenrider, William A. Ellingson, Rachel Lipanovich, Jeffrey Wheeler and Chris Deemer
Chapter four round Indentation of SiC (pages 43–57): A. A. Wereszczak and okay. E. Johanns
Chapter five harm Modes Correlated to the Dynamic reaction of SiC?N (pages 59–68): H. Luo and W. Chen
Chapter 6 Grain Boundary Chemistry of SiC?Based Armor (pages 69–84): Edgardo Pabit, Kerry Siebein, Darryl P. Butt, Helge Heinrich, Darin Ray, Sarbjit Kaur, R. Marc Flinders and Raymond A. Cutler
Chapter 7 impression of Microstructure and Mechanical houses at the Ballistic functionality of SiC?Based Ceramics (pages 85–96): Darin Ray, R. Marc Flinders, Angela Anderson, Raymond A. Cutler, James Campbell and Jane W. Adams
Chapter 7 Addition of extra Carbon to SiC to check its influence on Silicon Carbide (SiC) Armor (pages 97–103): Chris Ziccardi and Richard Haber
Chapter nine research of Time?Resolved Penetration of lengthy Rods into Glass Targets—II (pages 106–118): Charles E. Anderson, I. Sidney Chocron and Carl E. Weiss
Chapter 10 reaction and Characterization of restrained Borosilicate Glass: Intact and broken (pages 119–130): Kathryn A. Dannemann, Arthur E. Nicholls, Charles E. Anderson, Sidney Chocron and James D. Walker
Chapter 12 Constitutive version for broken Borosilicate Glass (pages 131–142): Sidney Chocron, James D. Walker, Arthur E. Nichoils, Charles E. Anderson and Kathryn A. Dannemann
Chapter 12 response Sintered LiAlON (pages 143–154): Raymond A. Cutler and R. Marc Flinders
Chapter thirteen huge quarter EFG™ Sapphire for obvious Armor (pages 155–163): Christopher D. Jones, Jeffrey B. Rioux, John W. Locher, Herbert E. Bates, Steven A. Zanella, Vincent Pluen and Mattias Mandelartz
Chapter 14 dating of Microstructure and Hardness for A12O3 Armor fabrics (pages 166–178): Memduh Volkan Demirbas and Richard A. Haber
Chapter 15 Root motives of the functionality of Boron Carbide less than tension (pages 179–188): Giovanni Fanchini, Dale E. Niesz, Richard A. Haber, James W. McCauley and Manish Chhowalla
Chapter sixteen research of Texture in managed Shear Processed Boron Carbide (pages 189–195): D. Maiorano, R. Haber and G. Fanchini
Chapter 17 growth within the Nondestructive research of impression harm in TiB2 Armor Ceramics (pages 198–209): Joseph M. Wells
Chapter 18 Elastic estate selection of WC Spheres and Estimation of Compressive so much and effect Velocities that start up their Yielding and Cracking (pages 211–223): A. A. Wereszczak
Chapter 19 at the position of influence harm in Armor Ceramic functionality (pages 225–236): Joseph M. Wells
Chapter 20 The Indentation dimension impression (ISE) for Knoop Hardness in 5 Ceramic fabrics (pages 237–249): Trevor Wilantewicz, W. Roger Cannon and George Quinn
Chapter 21 impression of Microstructure at the Indentation?Induced harm in Silicon Carbide (pages 251–259): Jeffrey J. Swab, Andrew A. Wereszczak, Justin Pritchett and Kurt Johanns
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Additional info for Advances in Ceramic Armor II: Ceramic Engineering and Science Proceedings, Volume 27, Issue 7
Density and open porosity of all tiles was determined using the water immersion method based on the Archimedes law (DIN EN 993-1). Young‘s modulus was tested according to DIN EN 843-2, three-point flexural strength in accordance to ASTM C113. Rockwell hardness was determined according to DIN EN 10 109. Fracture toughness (critical stress intensity factor) Klc was determined using SENVB samples according to ASTM STP 1409. 7 g. The impact velocity (vp) was varied between 600 and 850 m/s in order to determine the ballistic limit velocities VBL.
Ringicone, radial and median cracking, quasi-plasticity) are compared as a function of grain size. , a noticeable rate increase in compliance probably associated with extensive ring and radial crack formations) occurring around an estimated average contact stress of 19 GPa. INTRODUCTION There is strong interest to develop and refine Hertzian indentation test techniques to analyze armor ceramics because (1) there is much commonality of the damage produced from a static Hertzian indent and damage produced from a ballistic impact and (2) appropriately chosen indenter diameters can generate representative contact stresses that can occur in impact.
1 8). The four smaller sizes are used in these studies. ’ Gilinore Diamond Tool, Atileboro, MA. Advances in Ceramic Armor II . 45 Spherical Indentation of Sic 60 Figure 3. Hertz elastic contact functions for (a) average contact stress and (b) diameter of contact area as a function of indentation load and indenter diameter when a diamond indenter is in contact with Sic. 18 for SIC. Figure 4. Representative surface condition of our custom made diamond indenters manufactured using the "Precision Spindle Method (Gilniore Diamond Tools, Attleboro, MA).