By Lisa Prokurat Franks, Tatsuki Ohji, Andrew Wereszczak
This quantity presents a one-stop source, compiling present study on ceramic armor and addressing the demanding situations dealing with armor brands. it's a selection of papers from the yankee Ceramic Society s thirty second foreign convention on complicated Ceramics and Composites, January 27-February 1, 2008. issues comprise novel fabrics innovations for either automobile and physique armors, obvious ceramics for influence resistance, and extra. it is a precious, up to date source for researchers in undefined, executive, or academia who're operating with ceramic armor.
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Extra info for Advances in Ceramic Armor IV (Ceramic Engineering and Science Proceedings, Vol. 29, No. 6)
These tests raise questions as to their practicality as adhesive bond strength testing procedures. Because of all these drawbacks and because adhesion plays a key role in the performance of safety glass, the need for nondestructive test methods for the evaluatiodcharacterization of adhesive bond strength in laminated safety glass is apparent. Recently, Hou and Reis". used energy velocities to estimate adhesive bond quality in laminated safety glass. The purpose of this study is to investigate the use of attenuation measurements to evaluate adhesive bond quality in laminated safety glass.
Figure 4, a petrographic thin section parallel to the cross section in Figure 2, provides a clearer look at material in and around the tunnel (the circular white areas are air buhhles trapped during preparation of the thin sections). The transparent material at some distance from the projectile cavity in Figure 2 is heavily cracked and fiagmented, but the fragments are in their original positions relative to each other. The white frosted region is more densely cracked and more finely fragmented.
The surface of the fragment agglomerate in contact with the projectile shaft in Figure 6 WBS blackened and coherent, suggesting frictional heating and chemical interaction between projectile and target. Chemical analysis of this surface shomed iron, nickel, titanium, and molybdenum, the main constituents of the maraging steel projectile and in approximately the same percentage. Analysis of the agglomerate further from the projectile showed none of these elements. Thus. the projectile was slightly eroded thermally, chemically, and mechanically as it penetrated the glass target.