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Effect of atomic oxygen on the mechanical properties of highly graphitized carbon fibers
Luleå tekniska universitet.
Luleå tekniska universitet.
Osaka University.
Osaka University.
1994 (English)In: Carbon, ISSN 0008-6223, E-ISSN 1873-3891, Vol. 32, no 4, p. 641-644Article in journal (Refereed) Published
Abstract [en]

Material degradation is a serious problem for large structural members that operate in low earth orbit for a long time. In order to study how the mechanical properties of the fibers change in this environment, highly graphitized polyacrylonitrile-based high modulus carbon fibers have been exposed to different fluences of atomic oxygen, the dominant atmospheric element in low earth orbit. Tensile tests were performed on these fibers. Young's modulus and tensile strength decreased with increasing exposure to atomic oxygen. Scanning electron microscopy revealed that the surface of the carbon fiber was severely degraded by the atomic oxygen, and this explains the decreases in Young's modulus and tensile strength

Place, publisher, year, edition, pages
1994. Vol. 32, no 4, p. 641-644
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-10526DOI: 10.1016/0008-6223(94)90084-1ISI: A1994NQ81200015Scopus ID: 2-s2.0-0028089498Local ID: 957e18e0-0bb8-11dd-9b51-000ea68e967bOAI: oai:DiVA.org:ltu-10526DiVA, id: diva2:983471
Note
Godkänd; 1994; 20080416 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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