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Influence of Thermal Fiber Pretreatment on Microstructure and Mechanical Properties of C/C‐SiC with Thermoplastic Polymer‐Derived Matrices
Author(s) -
Reichert Florian,
Langhof Nico,
Krenkel Walter
Publication year - 2015
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201500193
Subject(s) - polyetherimide , materials science , peek , composite material , microstructure , thermoplastic , fiber , x ray photoelectron spectroscopy , polymer , pyrolysis , bending , chemical engineering , engineering
Two thermoplastic matrices, polyetheretherketone (PEEK) and polyetherimide (PEI), are examined in this work in terms of their suitability as carbon precursors for C/C‐SiC composites. The carbon fibers are pretreated between 400 and 1600 °C in nitrogen atmosphere to modify the surface functionality, which was characterized with XPS. An analysis of the C/C‐SiC composition shows an increasing SiC content as a function of the increased fiber pretreatment temperature and the polymer precursor. Bending tests of C/C‐SiC composites exhibit enhanced fiber‐pull‐out effects at a fiber pretreatment temperatures from 400 to 800 °C.