Titanium alloy composite material, titanium clad material using the titanium alloy composite material, and method of producing the titanium clad material
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United States of America Patent
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Feb 22, 2011
Grant Date -
Nov 27, 2008
app pub date -
Aug 22, 2006
filing date -
Sep 7, 2005
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Abstract
A titanium alloy composite material including dispersed carbon fibers coated with a layer containing an element which forms a carbide in reaction with carbon, and the carbide formed thereby, in crystal grains of the titanium alloy. The element which forms a carbide in reaction with carbon is preferably at least one of silicon (Si), chromium (Cr), titanium (Ti), vanadium (V), tantalum (Ta), molybdenum (Mo), zirconium (Zr), boron (B), and calcium (Ca). The carbon fibers are preferably carbon nanotubes, vapor-grown carbon fibers, or a mixture thereof. The titanium alloy composite material has excellent mechanical strength, such as tensile strength, Young's modulus, toughness, and hardness.
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