NDLI: High temperature damping behavior of plasma-sprayed thermal barrier and protective coatings

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High temperature damping behavior of plasma-sprayed thermal barrier and protective coatings

Content Provider	NASA Technical Reports Server (NTRS)
Author	Zhu, Dongming Duffy, Kirsten P. Ghosn, Louis J. Miller, Robert A.
Copyright Year	2010
Description	A high temperature damping test apparatus has been developed using a high heat flux CO 2 laser rig in conjunction with a TIRA S540 25 kHz Shaker and Polytec OFV 5000 Vibrometer system. The test rig has been successfully used to determine the damping performance of metallic and ceramic protective coating systems at high temperature for turbine engine applications. The initial work has been primarily focused on the microstructure and processing effects on the coating temperature-dependence damping behavior. Advanced ceramic coatings, including multicomponent tetragonal and cubic phase thermal barrier coatings, along with composite bond coats, have also been investigated. The coating high temperature damping mechanisms will also be discussed.
File Size	3272670
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20100011006
Archival Resource Key	ark:/13960/t27995548
Language	English
Publisher Date	2010-02-01
Access Restriction	Open
Subject Keyword	Damping Temperature Dependence Thermal Control Coatings Ceramic Coatings High Temperature Tests Carbon Monoxide Lasers Plasma Spraying Protective Coatings Turbine Engines Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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