Ballistic-resistant helmet and method for producing the same
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United States of America Patent
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Feb 29, 2000
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N/A
app pub date -
Dec 22, 1997
filing date -
Dec 22, 1997
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Abstract
In one broad aspect the present invention comprises the steps of providing a titanium-based material preform and superplastically forming the preform to a final helmet shape. In another broad aspect, a first piece of fiber-reinforced titanium matrix composite material is hot isostatically pressed (HIP'ed) to form a side wall section. A second piece of fiber-reinforced titanium matrix composite material is hot pressed to form an upper dome section. The side wall section is then HIP/diffusion bonded to the upper dome section.
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