Compression creep behaviour of precursor-derived SiCN Ceramics

Thurn, Günter; Canel, Jérôme; Bill, Joachim; Aldinger, Fritz

doi:10.1016/s0955-2219(99)00093-x

Cited by 39 publications

(28 citation statements)

References 14 publications

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“…Ceramics based upon polymer-derived silicon carbonitride (Si-C-N) have attracted great interest for structural applications due to their low density, high hardness and elastic modulus, extraordinary chemical stability, and high creep resistance at elevated temperatures [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Mechanical and electrical properties of polymer-derived Si–C–N ceramics reinforced by octadecylamine – Modified single-wall carbon nanotubes

Shopova-Gospodinova

Burghard

Dufaux

et al. 2011

Composites Science and Technology

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Please cite this article as: Shopova-Gospodinova, D., Burghard, Z., Dufaux, T., Burghard, M., Bill, J., Mechanical and electrical properties of polymer-derived Si-C-N ceramics reinforced by octadecylamine -modified single-wall carbon nanotubes, Composites Science and Technology (2011), doi: 10.1016/j.compscitech.2011 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.-1 - Polymer-derived Si-C-N ceramics reinforced by homogeneously distributed octadecylaminefunctionalized single-walled carbon nanotubes (SWCNTs) were synthesized using a casting process, successive pressureless cross-linking and thermolysis. We find that the incorporation of even small amounts of modified SWCNTs leads to a remarkable improvement of mechanical and electrical transport properties of our composites. In particular, we find twofold enhancement of fracture toughness. The Youngs modulus and the hardness show increase by ~ 30 and 15 %, respectively. Furthermore, the electrical conductivity was found to increase more than five orders of magnitude even for a tube content of 0.5 wt%.

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Section: Introductionmentioning

confidence: 99%

Mechanical and electrical properties of polymer-derived Si–C–N ceramics reinforced by octadecylamine – Modified single-wall carbon nanotubes

Shopova-Gospodinova

Burghard

Dufaux

et al. 2011

Composites Science and Technology

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show abstract

“…16,17 They are predominantly amorphous or nanocrystalline materials and possess excellent structural stability leading to high creep and corrosion resistance at high temperatures. 18,19 One of the distinctive process features of precursor-derived ceramics is the unique polymer-ceramic transformation by heat treatment, which can provide a means to form ceramic bodies into near-net shapes, small scales or complex forms from cross-linked polymer bodies. In this connection, Raj 20 applied precursor-derived Si-C-N ceramics to microelectromechanical devices (MEMS technologies).…”

Section: Introductionmentioning

confidence: 99%

Reinforcement of precursor-derived Si–C–N ceramics with carbon nanotubes

Katsuda

Gerstel

Janakiraman

et al. 2006

Journal of the European Ceramic Society

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“…Due to their high thermal resistance and chemical stability [1][2][3][4][5][6], SiCN polymer-derived ceramics (PDCs) present a unique set of properties that make them promising candidates for high-temperature applications. These materials, first processed by Verbeek et al [7] and Yaijma et al [8] in the early seventies, are typically synthesized via pyrolysis of organo-silicon compounds at temperatures ranging between 800 and 1000°C yielding the formation of amorphous silicon-based ceramics.…”

Section: Introductionmentioning

confidence: 99%