作者: James R. Heflin , Jason Ridley , Daniel J. O'Brien , Jason Robinette
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摘要: Abstract : The U.S. Army has a critical need for lighter, more varied array of visibly transparent materials which are currently limited to handful and ceramics. This limitation restricts the design lightweight laminates since only narrow range mechanical properties available, proper these structures often relies on engineer's ability specify acoustic impedance each layer. Composite offer tailor but, due scattering at multiple interfaces, not typically unless refractive indices (RI) composite constituents (e.g., glass fibers polymer matrix) well matched.