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Metal matrix composite materials containing carbon nanotube-infused fiber materials and methods for production thereof

A technology of carbon nanotubes and composite materials, which is applied in the direction of nanotechnology, carbon compounds, nanotechnology, etc., and can solve problems that have not yet contained nanomaterials

Inactive Publication Date: 2012-08-15
APPL NANOSTRUCTURED SOLUTIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although beneficial properties can be conveyed to the composite matrix by the incorporated nanomaterials, commercially viable composites containing nanomaterials, especially carbon nanotubes, have not been widely realized due to the complexity of incorporating nanomaterials into them. production of materials

Method used

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  • Metal matrix composite materials containing carbon nanotube-infused fiber materials and methods for production thereof
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  • Metal matrix composite materials containing carbon nanotube-infused fiber materials and methods for production thereof

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Embodiment 1

[0133]Example 1: Formation of an aluminum metal matrix composite with a reduced coefficient of thermal expansion. Aluminum metal matrix composites were prepared by liquid metal infiltration of carbon nanotube-infused carbon fibers. The carbon fibers were Grafil, Inc. (Sacramento, CA) 34-700, 12k filaments infused with carbon nanotubes with an average length of 55 μm prepared by the continuous infusion method described above. Metal matrix composites were prepared in a pressure tight chamber comprising a heated infiltration vessel with the form placed on the bottom. Carbon nanotube-infused carbon fibers were placed on the bottom of the model in a unidirectional arrangement to prepare test bricks. The aluminum source was placed on top of the carbon nanotube-infused carbon fibers in the model. The aluminum source is aluminum alloy Al413, whose composition is Al 12 Si 2 FeCu 0.5 Ni 0.5 Zn 0.35 Mn. Vacuum was applied to the chamber and the infiltration vessel was heated to 6...

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Abstract

Composite materials containing a metal matrix having at least one metal and a carbon nanotube-infused fiber material are described herein. Metal matrices include aluminum, magnesium, copper, cobalt, nickel, zirconium, silver, gold, titanium and various mixtures thereof. The fiber materials include glass fibers, carbon fibers, metal fibers, ceramic fibers, organic fibers, silicon carbide fibers, boron carbide fibers, silicon nitride fibers and aluminum oxide fibers. The composite materials can further include a passivation layer overcoating at least the carbon nanotube-infused fiber material and, optionally, the plurality of carbon nanotubes. The metal matrix can include at least one additive that increases compatibility of the metal matrix with the carbon nanotube-infused fiber material. The fiber material can be distributed uniformly, non-uniformly or in a gradient manner in the metal matrix. Non-uniform distributions may be used to form impart different mechanical, electrical or thermal properties to different regions of the metal matrix.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority under 35 U.S.C. §119 to U.S. Provisional Patent Application Serial No. 61 / 265,717, filed December 01, 2009, which is hereby incorporated by reference in its entirety. This application is also related to US Patent Application Serial Nos. 12 / 611,073, 12 / 611,101, and 12 / 611,103, filed November 02, 2009. [0003] Statement Regarding Federally Sponsored Research or Development [0004] Not applicable. field of invention [0005] The present invention relates generally to composite materials, and more particularly to fiber-reinforced metal matrix composite materials. Background technique [0006] In the past few years, composites containing nanomaterials have been extensively studied due to the beneficial performance enhancements achieved at the nanoscale level. In particular, carbon nanotubes are widely studied nanomaterials for composite materials due to their ultimate str...

Claims

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Application Information

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IPC IPC(8): B32B15/14
CPCC22C26/00C22C47/02B22F2998/10C22C2026/002C22C2026/006B82Y30/00B82Y40/00C01B32/168Y10T428/249927C22C47/08C22C47/14B22F2999/00B22F2207/11B32B15/14
Inventor T·K·沙H·C·马里基J·A·瓦伊库考斯基
Owner APPL NANOSTRUCTURED SOLUTIONS LLC
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