Abstract
This paper concerns morphological, microstructural and creep investigations at 1373K on unidirectional and 0/90° cross-ply SiCf-MLAS composites. For these materials, two different mechanisms arise with a threshold stress value of 200 MPa. At low stresses, we are in presence of a damage induced deformation with fiber/matrix decohesion and matrix microcracking (first in the 90° plies for the 2D composite), while at high stresses (> 200 MPa) the creep mechanism is based on the SiC fiber creep.
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Chermant, JL., Maupas, H., Kervadec, D. (1995). Morphology and Deformation Characteristics of a CMC Based on a MLAS Vitroceramic Matrix. In: Bradt, R.C., Brookes, C.A., Routbort, J.L. (eds) Plastic Deformation of Ceramics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1441-5_51
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DOI: https://doi.org/10.1007/978-1-4899-1441-5_51
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