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coating degradation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780329
EISBN: 978-1-62708-281-5
..., including ultraviolet light absorbers, oxidation inhibitors, and the use of protective coatings, are also considered. photolytic degradation artificial light sources photooxidation photochemical reactions ultraviolet light absorbers oxidation inhibitors protective coatings ENGINEERING...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... Testing of Superalloys and Their Coatings Degradation by Gaseous Oxidation or Mixed Gases Hot Corrosion Coatings for Superalloy Protection Diffused Aluminide Coatings Overlay Coatings Thermal Barrier Coatings Coating Comparisons Introduction Oxidation Process Summarized Mixed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... stress 4.0 Fig. 9.45 ... ...      Assumed strain range ... ... 2.0 Fig. 9.46 In-service degradation of:      Base metal 2.0 J 5 to 15 Fig. 9.39      Coating 2.0 J 2 J Inaccuracy of damage rules None J 3 J Stress and thermal gradients in component Unknown...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... components Overview Overheating and Microstructural Stability Microstructural Degradation Failures of Superalloy Components Damage Recovery, Refurbishment, and Repair Basics What Is Failure? General Overheating and Incipient Melting Corrosion, Alloy Depletion, and Coatings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
..., including nickel- and cobalt-base superalloys, and carbon, low-alloy, and stainless steels. Simple aluminide coatings resist high-temperature oxidation by the formation of an alumina protective layer and can be used up to about 1150 °C (2100 °F), but the coating can degrade by spallation of the oxide during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.omfrc.t53030237
EISBN: 978-1-62708-349-2
...Abstract Abstract Polymer composite materials are subject to degradation if not appropriately protected from the environment. Composite materials having polymeric matrices are susceptible to degradation from heat, sunlight, ozone, atomic oxygen (in space), moisture, solvents (chemicals...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870401
EISBN: 978-1-62708-314-0
... Source: Ref 3 Weights of lightning protection systems Table 15.3 Weights of lightning protection systems Coating material Weight, lb/100 ft 2 Interwoven wire (aluminum) 0.024 Expanded aluminum foil 1.6–6 (2.9 typical) Woven wire mesh 2.5–5 Wire fabric 3–5 Thermal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780141
EISBN: 978-1-62708-268-6
... this change, the optics debonding failures dropped significantly. Contaminants can cause accelerated wear on mating parts, mechanical interference, degraded bond joints and welds, undesired insulation on switch gear, degraded energetic material performance, interference with painting and other coating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... for compatibility with cathodic protection systems. In addition, resistance to soil stresses may be required. In atmospheric corrosion, resistance to ultraviolet degradation, bacteria, and fungi is sometimes an important consideration. The coating process can be broken down into the following steps...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780146
EISBN: 978-1-62708-281-5
...Abstract Abstract This article discusses the chemical susceptibility of a polymeric material. The discussion covers significant absorption and transportation of an environmental reagent by the polymer; the chemical susceptibility of additives; and thermal degradation, thermal oxidative...
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
... available alloys can be selected to provide protection from a wide range of environmental degradation mechanisms. During weld-overlay surfacing, the coating material is raised to its melting point and then solidified on the surface of the substrate, which means that metals and alloys used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... technique, but some surface preparation is still required. Additionally, the component may need to be demagnetized if there is any residual magnetic field within the component. A thin coating of contrast paint may be applied to the component to aid subsequent viewing of defects. The component...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780153
EISBN: 978-1-62708-281-5
... to degradation in plastics include temperature variations, moisture, sunlight, oxidation, microbiologic attack, and other environmental elements. The article also describes the tests used to predict the behavior of a plastic material to outdoor exposure, discussing the use of xenon arc lamp for the weatherometer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550569
EISBN: 978-1-62708-307-2
... temperatures, an oxide reinforcement may be a better choice. Silicon carbide is susceptible to degradation in oxygen-containing environments at temperatures above 1200 °C (2190 °F), and even when used as a reinforcement at these temperatures, it must be protected by some sort of coating system to ensure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... Company Fig. 20.24 Physical vapor deposition coated silicon carbide monofilament. Source: Ref 8 Fig. 20.23 Foil-fiber-foil fabrication process. HIP, hot isostatic pressing; Sic, silicon carbide Fig. 20.25 Physical vapor deposition coated silicon carbide/titanium composite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870573
EISBN: 978-1-62708-314-0
... ceramics. The melting point of crystalline ceramics is so high that even fibers with interfacial coatings can either be dissolved or severely degraded. Another problem is the large temperature difference between the extremely high processing temperatures and room temperature, which can result in shrinkage...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... remain. Modifications to the current forming system such as higher-tonnage presses, appropriate die materials, effective tool coatings, efficient lubricants, and higher binder forces should be considered. The implications of using thinner gages on the elastic stiffness and corrosion resistance need...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110413
EISBN: 978-1-62708-247-1
... Reflectivity, color, phase contrast, bright field/dark field, polarization Sample loading Slow – requires vacuum Fast – no vacuum Sample preparation May require sectioning or delayering, Insulating samples may need sputter coating Usually none - dielectrics are transparent, No problem with insulating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280339
EISBN: 978-1-62708-267-9
... a fraction over that of the first-and second-generation nickel-base superalloys. Contemporary with the development of alloys, from 1960 to the present, was the realization that coatings would be needed to protect component surfaces from degradation owing to gaseous and deposit-modified corrosion...