By Andrew Wereszczak, Edgar Lara-Curzio, Lisa Prokurat Franks
Those court cases comprise present examine from undefined, academia and govt agencies, engaged on opaque and obvious ceramic armor. Papers on novel fabrics recommendations 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 offered on the court cases of the thirtieth foreign convention on complicated Ceramics and Composites, January 22-27, 2006, Cocoa seashore, Florida. geared up and subsidized by way of the yank Ceramic Society and the yankee Ceramic Society's Engineering Ceramics department at the side of the Nuclear and Environmental expertise 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 overview of SiC Armor Tile utilizing Ultrasonic recommendations (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 impact of Microstructure and Mechanical homes 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 review its impact 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 restricted 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 factors of the functionality of Boron Carbide lower than rigidity (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 choice of WC Spheres and Estimation of Compressive quite a bit and influence Velocities that begin their Yielding and Cracking (pages 211–223): A. A. Wereszczak
Chapter 19 at the position of effect harm in Armor Ceramic functionality (pages 225–236): Joseph M. Wells
Chapter 20 The Indentation dimension impact (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
Although the amplitude scan s h o w little variation in the background region. the TOF data is extremely noisy. as the time of arrival of this noise peak is somewhat random and can occur anywhere throughout the observed window. Thus. while some of the defect regions are barely detectable in the aniplitiide infonnation they are more clearly discenled as “low noise” regions in the TOF data. and are therefore identified in both figures. The total scan time for this analysis was 60 minutes. 36 . Advances in Ceramic Armor II Evaluation of SIC Armor Tile Using UltrasonicTechniques (a) (h) Figure 5.
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.
The resulting ballistic limit velocity for ALOTEC 99 (735 m/s) was 5 % higher than that of ALOTEC 96 (700 m/s) despite a pronounced deviation. This is within the range of 5 to 10 % of previous observations during internal testing under various conditions. The biomorphic SiSiC derived from MDF could stop the projectiles with impact velocities of up to 775 m/s. In one single test with an impact velocity of 834 m/s, the projectile penetrated the armour system with a residual velocity of VR = 465 m/s.
Advances in Ceramic Armor II: Ceramic Engineering and Science Proceedings, Volume 27, Issue 7 by Andrew Wereszczak, Edgar Lara-Curzio, Lisa Prokurat Franks