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Correlation of thermally induced changes at anisotropic nano-pores of EB-PVD deposited FYSZ-coatings with thermal conductivity,

Saruhan, Bilge and Ryukhtin, Vasyl and Kelm, Klemens (2011) Correlation of thermally induced changes at anisotropic nano-pores of EB-PVD deposited FYSZ-coatings with thermal conductivity,. Surface and Coatings Technology, 205, pp. 5369-5378. Elsevier.

Full text not available from this repository.

Abstract

Electron beam physical vapour deposited (EB-PVD) FYSZ-coatings were produced in different morphologies by varying the process parameters. Anisotropic and isotropic nano-sized pores in these FYSZ-coatings were analysed by means of Small Angle Neutron Scattering (SANS). In order to differentiate closed and open pores, SANS-measurements were carried out as the coatings were immersed in matching liquid. With in-situ high-temperature SANS-measurements, the thermally activated changes of aspect ratio and surface area of the pores were observed. Thermal conductivity values of as-coated and aged coatings are measured by Laser-Flash Analysis (LFA) and have been correlated with the changes in pore shape and size. All results were compared to those previously obtained from standard EB-PVD PYSZ-coatings.

Item URL in elib:https://elib.dlr.de/71288/
Document Type:Article
Title:Correlation of thermally induced changes at anisotropic nano-pores of EB-PVD deposited FYSZ-coatings with thermal conductivity,
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Saruhan, BilgeUNSPECIFIEDUNSPECIFIED
Ryukhtin, VasylUNSPECIFIEDUNSPECIFIED
Kelm, KlemensUNSPECIFIEDUNSPECIFIED
Date:15 June 2011
Journal or Publication Title:Surface and Coatings Technology
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:205
Page Range:pp. 5369-5378
Publisher:Elsevier
Status:Published
Keywords:FYSZ TBC, EB-PVD process, SANS analysis, TEM Analysis
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems (old)
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Turbine Technologies (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research
Deposited By: Saruhan-Brings, Dr. Bilge
Deposited On:20 Oct 2011 17:33
Last Modified:10 Apr 2019 11:55

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