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Micromechanical testing of carbon fibers deposited by low-pressure laser-assisted chemical vapor deposition
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Chemistry, Department of Materials Chemistry, Inorganic Chemistry. oorganisk kemi.
2004 (English)In: Carbon, Vol. 42, no 14, 2905-2913 p.Article in journal (Refereed) Published
Abstract [en]

Carbon fibers were deposited directly from ethylene by laser-assisted chemical vapor deposition. The precursor gas pressures and the incident laser powers were varied. Micro-mechanical testing was carried out using a high-precision micro-manipulator. During three-point bend testing the fibers showed an elastic response, with no residual strain upon unloading, until fracture. The fibers’ strength and Young’s modulus are reported. A model for fiber fracture is proposed based on fiber cross-section analysis. Scanning electron microscopy was used to study the fiber cross-sections and the fiber surface morphology. The mechanical properties are related to the characteristic fiber microstructure investigated by Raman spectroscopy

Place, publisher, year, edition, pages
2004. Vol. 42, no 14, 2905-2913 p.
Keyword [en]
Carbon fibers, Laser irradiation, Chemical vapor deposition, Raman spectroscopy, Mechanical properties
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-69664DOI: doi:10.1016/j.carbon.2004.06.039OAI: oai:DiVA.org:uu-69664DiVA: diva2:97575
Available from: 2006-03-21 Created: 2006-03-21 Last updated: 2011-01-12

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Boman, Mats

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