TY - GEN
T1 - Coupled anisothermal chemomechanical degradation solutions in one dimension
AU - Anguiano, M.
AU - Gajendran, H.
AU - Hall, R. B.
AU - Masud, A.
N1 - Publisher Copyright:
© 2018, The Society for Experimental Mechanics, Inc.
PY - 2018
Y1 - 2018
N2 - This paper focuses on thermal oxidation of Silicon Carbide (SiC) – a key process of degradation in aircraft turbine components. In this work, passive oxidation is considered, which produces amorphous silica that is accumulated on top of the SiC substrate. The mathematical problem is formulated within the context of mixture theory (Gardiner G (2017) Aeroengine composites, Part 1: the CMC invasion. Composites World 31 July 2015: n. pag. Web. 06 Mar; Jacobson, J Am Ceram Soc 76(1):3–28, 1993), which allows to model multi-constituent behavior – fluid and solid in this case – within the same continuum domain, while retaining interaction terms between constituents. Preliminary isothermal results have shown that the phenomena of interest are captured: expansion due to chemical reaction, change in solid density from unreacted to fully-oxidized material, interactive force among constituents, and stress variation across reaction zone. The method presented considers the anisothermal evolution of the problem.
AB - This paper focuses on thermal oxidation of Silicon Carbide (SiC) – a key process of degradation in aircraft turbine components. In this work, passive oxidation is considered, which produces amorphous silica that is accumulated on top of the SiC substrate. The mathematical problem is formulated within the context of mixture theory (Gardiner G (2017) Aeroengine composites, Part 1: the CMC invasion. Composites World 31 July 2015: n. pag. Web. 06 Mar; Jacobson, J Am Ceram Soc 76(1):3–28, 1993), which allows to model multi-constituent behavior – fluid and solid in this case – within the same continuum domain, while retaining interaction terms between constituents. Preliminary isothermal results have shown that the phenomena of interest are captured: expansion due to chemical reaction, change in solid density from unreacted to fully-oxidized material, interactive force among constituents, and stress variation across reaction zone. The method presented considers the anisothermal evolution of the problem.
KW - Anisothermal
KW - Ceramic matrix composite
KW - Passive oxidation
KW - Silicon Carbide
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U2 - 10.1007/978-3-319-63393-0_2
DO - 10.1007/978-3-319-63393-0_2
M3 - Conference contribution
AN - SCOPUS:85033501719
SN - 9783319633923
T3 - Conference Proceedings of the Society for Experimental Mechanics Series
SP - 5
EP - 9
BT - Challenges in Mechanics of Time Dependent Materials - Proceedings of the 2017 Annual Conference on Experimental and Applied Mechanics
A2 - Silberstein, Meredith
A2 - Arzoumanidis, Alex
A2 - Amirkhizi, Alireza
PB - Springer
T2 - Annual Conference and Exposition on Experimental and Applied Mechanics, 2017
Y2 - 12 June 2017 through 15 June 2017
ER -