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4. Strength of Bonded Materials

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I hope to give you very briefly this morning an overview of the composites technology. For some of you who are not too familiar with the technology, I am going to tell you what it consists of, what we are doing today in the technology, and where we think we are going tomorrow. I am going to end up with some comments on the role of NDI, which I think is going to be paramount in achieving our future goals.

Although most of my talk will relate to laminated composite materials, obviously it is very generic to bonded joints. The bond plies are really bonded together by adhesive material, the resin. The filaments are bonded to the matrix material. We have many bonded joints, so many of the problems that I relate to also are generic to bonded materials in general, or two-phase materials.



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