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coal-particle impingement

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430314
EISBN: 978-1-62708-253-2
.... It discusses the erosive effect of blowing soot, steam, and fly ash as well as coal particle impingement and falling slag. It also includes several case studies. boiler tubes coal-particle impingement falling slag fire-side erosion fly ash attack soot blowing steam cutting action Erosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080235
EISBN: 978-1-62708-304-1
... coal ring, about 70 to 90% of cesses where gas streams are laden with particles. the ash in the coal is carried by the ue gas Metallic components can suffer severe metal stream, while only about 40% of the ash is carried wastage when subjected to constant impinge- by the ue gas in a stoker- red...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080259
EISBN: 978-1-62708-304-1
... as fine powers suspended in the furnace, and almost all types of coal from anthracite to lignite can be burned by pulverized firing ( Ref 1 ). Pulverized coal in particle sizes of 50 μm diameter or smaller can be completely combusted in a matter of 1 to 2 s ( Ref 1 ). Babcock & Wilcox developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... to solid particle impingement when the impinging particles are sharp and angular abrasives, such as aluminum oxide. Aluminum oxide is widely used for abrasive blasting for cleaning and engraving, and some rubbers resist damage better than masking tapes and metal foils. However, pipelines carrying coal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
..., for example, erosion-corrosion of containment vessels in coal gasification plants. Erosion of a solid surface can also take place in a liquid medium without the presence of solid abrasive particles in that medium. Cavitation, one mechanism of liquid erosion, involves the formation and subsequent collapse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... in a gas or liquid medium impinging on a solid at any significant velocity (greater than 1 m/s, or 3.3 ft/s). Manifestations of SPE in service usually include thinning of components, a macroscopic scooping appearance following the gas/particle flow field, surface roughening (ranging from polishing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2022
DOI: 10.31399/asm.tb.tstap.t56040001
EISBN: 978-1-62708-428-4
... advanced countries, will continue to need new and improved energy solutions. Hydroelectric, wind, fuel cells, bio-fuels, biomass, and solar are just a few examples of where thermal spray can play a role in renewable energy solutions in addition to the more traditional fossil fuel areas such as coal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
... imperfections of shape, refinement of surface finish, and close fit between mating surfaces. laser alloying. See laser surface processing. laser beam welding (LBW). A welding process that produces coales- cence of materials with the heat obtained from the application of a con- centrated coherent light beam...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... production (slurry pipelines to carry coal, slurries pumped down holes for fracking, for example). These slurries have to be conveyed and pumped. What material do you use for handling these materials? Abrasiveness of slurries can be quantified and materials of construction can be vetted. There are many...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300271
EISBN: 978-1-62708-323-2
...; it resists corrosion in many chemicals. This in turn eliminates the corrosion component of liquid erosion. Figure 10.6 shows solid-particle erosion tests that indicate alumina eroded worse than 304 stainless steel in 90° impingement with aluminum oxide abradant. When the abradant was changed to glass beads...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... outlet tube of a coal-fired boiler failed by rupture during operation after about 5 years of service. The MOC of the failed tube was A 213 Grade T22 steel. This tube was one end of a DMW joint, at the other side of which was a tube whose MOC was A 213 Grade T91 steel. The tube dimensions were 54.0 mm...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300199
EISBN: 978-1-62708-323-2
... Society of Mechanical Engineers , 1980 • Roach Erich , Erosion Wear in Coal Utilization , New York : Hemisphere , 1988 • Roberts G. and Cary R. , Tool Steel , 4th ed. , Metals Park, OH : ASM International , 1980 • Totten G. E. , Friction Lubrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300421
EISBN: 978-1-62708-323-2
...-type alloy irons are the gold standard for slurry piping and coal-crushing types of applications; pumps are often made from cast irons. The nickel-containing cast iron Nihard (ASTM International A532, nickel-chromium-high carbon) has been used for decades for all types of abrasion applications. 15.4...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300163
EISBN: 978-1-62708-323-2
... that shows that copper is completely resistant to normal rain erosion. Leaded joints and copper panels can fail from chemical effects such as sulfur fumes in the air (from coal burning), but the failures are corrosion and not erosion from rain. A typical copper roof will last 100 years. The only thing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... O 3 scales. In agreement with this conclusion, the cast lower-chromium, high-aluminum superalloys IN-713C and B-1900, respectively, are found to form predominantly Al 2 O 3 scales. Of course, Al 2 O 3 scales are also formed on the high-aluminum coatings that are based on NiAl and CoAl...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9