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#BALLISTIC GLASS AND ARMOR WINDOWS#
Curved ALON will be attempted, but the use of a different material may be required for this process.Īs depicted in the Star Trek and Jurassic World movies, ALON was used in creating windows in a giant aquarium as well as protective bubble vehicle. The next step in protecting warfighters is creating a curved window. ALON's excellent durability and impact resistance have made it of interest to NASA for Cupola scratch pane windows on the International Space Station. Armored glass and security glass manufacturer, building flat and curved glass that meet every ballistic standard. Transparent armor is currently used on U.S. "Manufacturing a larger window that is both lightweight and durable is an enormous enhancement in enabling the warfighter to fulfill the mission." "Obtaining eight square feet is an accomplishment that we have been working on for years and couldn't have done it without funds from AFRL and DMS&T as well as other organizations," said Richard Porter, Manufacturing Lead of the Manufacturing and Industrial Technologies Division, AFRL. Scaling up is performed incrementally, due to the multitude of complex manufacturing steps that must be used in order for the process to be accomplished appropriately.ĪFRL is demonstrating that they are moving closer to providing a commodity material for government capability as a result of this work. Credit: Air Force Office of Scientific Research The aluminum oxynitride transparent ceramic armor is shown (right) with a bulge and no exit from the projectile. ALON is now manufactured routinely in sizes up to eight square feet by a small business, Surmet Corporation.Ī projectile exit point is shown in the ballistic glass (left). Prior to this program, the largest ALON window size was limited to 2.8 square feet.
The DMS&T program is an investment mechanism that allows the department to advance the state-of-the-art for defense-essential manufacturing capability, through the development of technologies and processes necessary for the production of defense systems. The Air Force Research Laboratory and the Defense Production Act Title III program have been working on this material since 2006 when DPA Title III was improving manufacturing processes to improve the powder that is used to form transparent armor and infrared sensor windows. It begins as a powder that is formed into unique shapes and made transparent through the application of high temperature and pressure. This provides the warfighter with superior protection for both air and ground vehicles.ĪLON is a transparent ceramic material composed of aluminum, oxygen and nitrogen. The transparent ceramic armor provides superior ballistic protection at less than half the weight and thickness over traditional glass laminates. With a growing need in the Department of Defense for transparent armor for personnel protection and infrared windows for reconnaissance applications, the Air Force Research Laboratory along with the Defense-wide Manufacturing Science and Technology program, support the manufacturing of aluminum oxynitride products providing greater system performance.
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