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thermal barrier coatings

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... discusses 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 Oxidation/Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... protective linings barrier protection chemical inhibition galvanic protection surface preparation inspection quality assurance electroplating electroless plating hot dipping thermal spraying cladding pack cementation vapor deposition ion implantation laser processing COATINGS are the most...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460185
EISBN: 978-1-62708-285-3
.... Coat. Technol. , Vol 204 , 2010 , p 2499 – 2503 10.1016/j.surfcoat.2010.01.031 7.17 Li Y. , Li C.-J. , Yang G.-J. , and Xing L.-K. , Thermal Fatigue Behavior of Thermal Barrier Coatings with the MCrAlY Bond Coats by Cold Spraying and Low-Pressure Plasma Spraying...
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
... , 2006 • Choudhury I.A. and El-Baradie M.A. , Machinability of Nickel Based Super Alloys: A General Review , J. Mater. Process. Technol. , Vol 77 , 1998 , p 278 – 284 • Clarke D.R. and Phillpot S.R. , Thermal Barrier Coating Materials , Mater. Today , June...
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. ...
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
... – 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 al. , The High Temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... on the relative abrasion resistance of TiN on hardened steel applied by various processes. Source: Ref 64 Fig. 13 Cross section illustrating the strain-tolerant columnar ZrO 2 microstructure of EB/PVD zirconia thermal barrier coatings. Source: Ref 62 Fig. 10 Steady-state erosion rates...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000001
EISBN: 978-1-62708-313-3
..., researchers are now striving to find the next generation of materials, in combination with thermal barrier coatings, that will perform at even higher temperatures. More recently, the emphasis in new superalloy development is on cost reduction (replacement of ruthenium, for example) and improvements to SX...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280339
EISBN: 978-1-62708-267-9
...) materials, such as tantalum and rhenium Reduced forgeability/formability of superalloys Increased oxidation capability of superalloys Reduced hot corrosion capability of superalloys Increased reliance on coatings for surface protection against corrosion Partial reliance on thermal barrier...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740325
EISBN: 978-1-62708-308-9
...Abstract Abstract This chapter covers a wide range of finishing and coating operations, including cleaning, honing, polishing and buffing, and lapping. It discusses the use of rust-preventative compounds, conversion coatings, and plating metals as well as weld overlay, thermal spray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030165
EISBN: 978-1-62708-282-2
... region and into a more corrosive region. A break in the passive film can lead to aggressive localized corrosion. Coatings generally protect the metal by imposing a physical barrier between the metal substrate and the environment. Three common types of coatings are organic, inorganic, and metallic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... barrier coatings and cooling systems are used. However, further technological advances in high-temperature materials will probably not come from the use of metals. Components produced from ceramic-based materials can operate at temperatures that are hundreds of degrees above the melting point...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
...-resistant coating or a thermal-barrier coating, there are other mechanical problems that can occur. A magnified view of a section of the combustion chamber is shown in Fig. 14.10 . Note the TMF cracking that has occurred. Fig. 14.9 Engine-operated aircraft gas turbine combustion chamber showing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... if they are not protected from oxygen exposure. The two primary oxidation protection methods are external coatings and internal oxidation inhibitors. Surface coatings, such as silicon carbide, provide an external barrier to oxygen penetration. The addition of internal oxidation inhibitors acts either as an internal barrier...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170337
EISBN: 978-1-62708-297-6
... resistance) Tooling (high-temperature strength and wear resistance developed through preoxidation) Permanent molds (the ability to develop a thermal barrier coating by high-temperature oxidation) Fig. 3 Comparison of the carburization resistance of Ni 3 Al-base alloys with that of alloy 800...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870179
EISBN: 978-1-62708-299-0
... to coating blistering that was extensive enough to expose the substrate after 4 months. Aluminum oxide coatings will provide only barrier protection to the silicon carbide/aluminum composites. Aluminum thermal-sprayed coatings, on the other hand, do have some sacrificial-protection capabilities...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910301
EISBN: 978-1-62708-250-1
..., to evaluate insulation materials ( Ref 4 – 6 ). Table 3 summarizes the possible methods of preventing SCC of stainless steels under thermal insulation. As can be seen, application of a suitable protective (barrier) coating system is generally the most economical method, although other methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350001
EISBN: 978-1-62708-315-7
...) and dimensional restoration (buildup alloys) Thermal spraying Primarily used for improved wear resistance (many coating systems including ceramics and cermets), but also used for improved corrosion resistance (aluminum, zinc, and their alloys) and oxidation resistance (e.g., MCrAlY), thermal barrier...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... multiple thermal stress cycles caused by a cyclic temperature change are referred to as thermal fatigue. An example of thermal fatigue occurs in ceramic thermal barrier coatings that are applied to nickel-base superalloys used in jet engines. The large differences in the coefficients of thermal expansion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060231
EISBN: 978-1-62708-343-0
... with the application of a low-thermal-conductivity insulating ceramic (so-called thermal barrier) coating to the hot gas side. Thermal gradients are very high between adjacent portions of the liner, giving rise to thermal strains that are large enough to cause cyclic inelasticity (plasticity and creep) on each heat-up...