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Oxidation of PM1000 and C/C-SiC exposed to Highly Dissociated Oxygen and Nitrogen Flows

Massuti-Ballester, Bartomeu and Herdrich, Georg and Friess, Martin (2020) Oxidation of PM1000 and C/C-SiC exposed to Highly Dissociated Oxygen and Nitrogen Flows. Journal of the European Ceramic Society, 40 (6), pp. 2306-2316. Elsevier. doi: 10.1016/j.jeurceramsoc.2020.01.053. ISSN 0955-2219.

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The present work investigates the formation and stability of different oxides on PM1000, an Oxide dispersion-strengthened (ODS) Ni-Cr superalloy, and on SiC coated C/C-SiC after being exposed to highly dissociated nitrogen and oxygen flows in a Plasma Wind Tunnel (PWT). PM1000 and C/C-SiC are candidate materials for re-entry vehicles Thermal Protection System (TPS) and were used e.g. on the European eXPErimental Re-entry Testbed (EXPERT). The surface characterisation covers the identification of the oxide layers formed on the specimen's surface via X-ray Diffraction (XRD) and Energy-Dispersive X-ray spectroscopy (EDX). Grain sizes are assessed from XRD patterns and different topographical features are identified for Cr2O3 and NiO on PM1000 samples from Secondary Electron Microscopy (SEM). Surface spectral and total normal emissivities of the different oxides are assessed showing a significant dependency on the oxide, which is verified with previous investigations on ground and with flight data from the FOTON capsule.

Item URL in elib:https://elib.dlr.de/140000/
Document Type:Article
Title:Oxidation of PM1000 and C/C-SiC exposed to Highly Dissociated Oxygen and Nitrogen Flows
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Massuti-Ballester, BartomeuInstitute of Space Systems (IRS), University of StuttgartUNSPECIFIED
Herdrich, Georgherdrich (at) irs.uni-stuttgart.deUNSPECIFIED
Friess, MartinMartin.Friess (at) dlr.dehttps://orcid.org/0000-0002-4425-8244
Date:June 2020
Journal or Publication Title:Journal of the European Ceramic Society
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.jeurceramsoc.2020.01.053
Page Range:pp. 2306-2316
Keywords:PM1000, C/C-SiC, oxygen flow, bitrogen flow, dissociatio, oxidation
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Friess, Dr.rer.nat. Martin
Deposited On:04 Jan 2021 15:21
Last Modified:04 Jan 2021 15:21

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