FY98 Final Report Initial Interfacial Chemical Control for Enhancement of Composite Material Strength

One of 80 reports in the series: Fiscal Year 1998 available on this site.

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Description

The U.S. Army Armament Research Development and Engineering Center (ARDEC) sponsored this research project to support the development of new self-assembled monolayer fiber coatings. These coatings can greatly increase the bond strength between the fiber and the resin matrix of a composite material. Composite ammunition components molded from such materials will exhibit higher strength than current materials, and will provide a major improvement in the performance of composites in military applications. Use of composite materials in military applications is desirable because of the lighter weight of the materials and their high strengths. The FY97 project investigated initial interfacial chemical control ... continued below

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40 p.

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Fryxell, GE; Alford, KL; Simmons, KL; Voise, RD & Samuels, WD October 14, 1999.

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  • Main Title: FY98 Final Report Initial Interfacial Chemical Control for Enhancement of Composite Material Strength
  • Series Title: Fiscal Year 1998

Description

The U.S. Army Armament Research Development and Engineering Center (ARDEC) sponsored this research project to support the development of new self-assembled monolayer fiber coatings. These coatings can greatly increase the bond strength between the fiber and the resin matrix of a composite material. Composite ammunition components molded from such materials will exhibit higher strength than current materials, and will provide a major improvement in the performance of composites in military applications. Use of composite materials in military applications is desirable because of the lighter weight of the materials and their high strengths. The FY97 project investigated initial interfacial chemical control for enhancement of composite material strength. The core of the project was to modify the covalent interface of glass fibers (or other reinforcing fibers) to induce strong, uniform, defect-free adhesion between the fibers' surfaces and the polymer matrix. Installing a self-assembled monolayer tailored to the specific matrix resin accomplished this. Simply, the self-assembled monolayer modifies the fiber to make it appear to have the same chemical composition as the resin matrix. The self-assembled monolayer creates a receptive, hydrophobic interface that the thermoset resin (or polymer precursors) would wet more effectively, leading to a higher contact surface area and more efficient adhesion. The FY97 work phase demonstrated that it is possible to increase the adhesive strength, as well as increase the heat deflection temperature through the use of self-assembled monolayer.

Physical Description

40 p.

Notes

OSTI as DE00013781

Medium: P; Size: 40 pages

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  • Other Information: PBD: 14 Oct 1999

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  • Report No.: PNNL-13052
  • Grant Number: AC06-76RL01830
  • DOI: 10.2172/13781 | External Link
  • Office of Scientific & Technical Information Report Number: 13781
  • Archival Resource Key: ark:/67531/metadc622064

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • October 14, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

Description Last Updated

  • April 12, 2017, 2:47 p.m.

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Fryxell, GE; Alford, KL; Simmons, KL; Voise, RD & Samuels, WD. FY98 Final Report Initial Interfacial Chemical Control for Enhancement of Composite Material Strength, report, October 14, 1999; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc622064/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.