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thermal barrier coatings

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Published: 01 June 2016
Fig. 7.5 Thermal cyclic life of thermal barrier coatings (TBCs) with the bond coats deposited by cold spraying (CS-TBC) and low-pressure plasma spray (LPPS-TBC). Source: Ref 7.17 More
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Published: 01 March 2002
Fig. 13.21 Typical thermal barrier coating produced by plasma spraying zirconia on MCrAlY underlayer More
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Published: 01 March 2002
Fig. 13.22 Schematic of a multilayer thermal barrier coating system produced using a combination of EBPVD and PS techniques. Left, generic description; right, a specific TBC system More
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Published: 01 June 2008
Fig. 30.15 Thermal barrier coating. Source: Ref 5 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040055
EISBN: 978-1-62708-428-4
... Abstract Thermal barrier coatings (TBCs) are applied using thermal spray coating (TSC) processes to components that are internally cooled and operated in a heated environment. The TSC microstructures are prone to interactions with common metallographic procedures that may result in artifacts...
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Published: 01 June 2016
Fig. 7.3 Schematic of bond coat layer after high-temperature isothermal exposure. APS, air plasma spray; TBC, thermal barrier coating. Source: Ref 7.9 More
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Published: 01 March 2002
Fig. 13.23 Cross-section sketch illustrating the strain-tolerant columnar grain ZrO 2 microstructure of EBPVD zirconia thermal barrier coatings More
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Published: 01 March 2001
Fig. 13 Cross section illustrating the strain-tolerant columnar ZrO 2 microstructure of EB/PVD zirconia thermal barrier coatings. Source: Ref 62 More
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Published: 01 November 2013
Fig. 10 Cross section illustrating the strain-tolerant columnar ZrO 2 microstructure of electron beam/physical vapor deposition zirconia thermal barrier coatings. Source: Ref 6 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040020
EISBN: 978-1-62708-428-4
... of coatings with unique microstructures such as columnar and segmented structures and ones with highly porous/high specific surface area, and dense features. Potential applications include thermal barrier coatings with stress relieving structures and with lower thermal conductivity for aerospace and gas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040084
EISBN: 978-1-62708-428-4
... used to determine the residual stress distributions through the thickness of the coating and the substrate for a variety of coatings, including tungsten carbide, aluminum, thermal barrier yttria stabilized zirconia, copper, and steel. [ 3 - 5 , 8 - 11 ] Both the layer removal method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460185
EISBN: 978-1-62708-285-3
... of cold spray has been to deposit MCrAlY coatings (“M” stands for either nickel, cobalt, or a combination of both) on turbine parts. The MCrAlY coating is used as a stand-alone oxidation-protection layer or as a bond coat for the deposition of a ceramic thermal barrier coating. Lack of in-flight oxidation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... protective coatings, including aluminide diffusion, overlay, and thermal barrier types, and how they perform in different environments based on their ability to tolerate strain. coatings corrosion resistance corrosion testing hot corrosion superalloys Overview Introduction Elevated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.9781627084284
EISBN: 978-1-62708-428-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080003
EISBN: 978-1-62708-304-1
.... The coatings used involve aluminide coatings, overlay MCrAlY coatings by vapor deposition processes (e.g., electron beam physical vapor deposition), and ceramic thermal barrier coatings (e.g., stabilized ZrO 2 ). Coatings are considered sacrificial and are to be replaced periodically. ...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040010
EISBN: 978-1-62708-428-4
... of the component group at rebuilding time. They are typically applied by air plasma spray (APS) or high-velocity oxy fuel (HVOF) processes. Thermal barrier coatings consist of a low thermal-conductivity ceramic layer deposited over an MCrAlY bond coat. The ceramic coating is usually zirconia (ZrO 2 ), but pure...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240563
EISBN: 978-1-62708-251-8
...: aluminide diffusion coatings and overlay coatings. In recent years, thermal barrier coatings have also been developed to provide substantial reductions in temperatures on superalloy surfaces. Coating selection is based on knowledge of oxidation/corrosion behavior in laboratory, pilot-plant, and field tests...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280365
EISBN: 978-1-62708-267-9
.... , Vol 46 ( No. 12 ), 1994 , p 35 – 38 10.1007/BF03222662 • Meier S.M. and Gupta D.K. , The Evolution of Thermal Barrier Coatings in Gas Turbine Engine Applications , J. Eng. Power (Trans. ASME) , Vol 116 , 1994 , p 250 – 257 10.1115/1.2906801 • Besenicar S. et...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... coatings are hard and have excellent resistance to abrasion and good resistance to corrosion. Zirconia is widely used as a thermal barrier because of its low thermal conductivity. Chromium oxide coatings are used in a variety of wear-resistant applications (see Chapter 8 for details). Oxide coatings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030165
EISBN: 978-1-62708-282-2
.... A passive metal can sometimes be pulled out of its passive region and into a more corrosive region. A break in the passive film can lead to aggressive localized corrosion. Coatings Coatings generally protect the metal by imposing a physical barrier between the metal substrate and the environment...