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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
...Abstract Abstract This chapter covers the failure modes and mechanisms of concern in steam turbines and the methods used to assess remaining component life. It provides a detailed overview of the design considerations, material requirements, damage mechanisms, and remaining-life-assessment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490383
EISBN: 978-1-62708-340-9
... with advanced steam plants and their respective solutions. The discussion covers the selection of materials on a component-specific basis for boilers as well as steam turbines. boilers material selection steam turbines General Requirements Increasing the efficiency of power plants can result...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080359
EISBN: 978-1-62708-304-1
... (a) and in close-up (b) after 2 years of operation in the boiler at a mill in South America. Source: Ref 31 Abstract Abstract Black liquor recovery boilers are an integral part of the kraft pulping process used in paper mills. Besides recovering chemicals for reuse, they also produce process steam. High...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
...Abstract Abstract Boilers are engineered systems designed to convert the chemical energy in fuel into heat to generate hot water or steam. This chapter describes boiler applications and types, including firetube boilers, watertube boilers, electric boilers, packaged boilers, fluidized bed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
...Abstract Abstract This chapter discusses the effects of corrosion on boiler tube surfaces exposed to water and steam. It describes the process of corrosion, the formation of scale, and the oxides of iron from which it forms. It addresses the primary types of corrosion found in boiler...
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
... Fig. 6.126 Erosion and longitudinal rupture of boiler tube due to misaligned soot blower Fig. 6.127 (a) Eroded surface of a screen tube near bend. (b) SEM image of area eroded due to furnace gases containing fly ash, 100× Fig. 6.131 Superheater tube cut by steam leaking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... the effect of impurities and feedwater parameters on high-pressure boiler components. It discusses deposition and scaling, types of corrosion, and carryover, a condition that occurs when steam becomes contaminated with droplets of boiler water. The chapter also covers water treatment procedures, including...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... in construction. It then describes the various causes of failure in boiler tubes, headers, and steam pipes, explaining how and why they occur, how they are diagnosed, and how to mitigate their effects. The final and by far largest section in the chapter is a tutorial on damage and life assessment techniques...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
...Abstract Abstract This chapter provides practical information on surface treatments that work by altering the surface chemistry of metals and alloys. It discusses the use of phosphate and chromate conversion coatings as well as anodizing, steam oxidation, diffusion coatings, and pack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430017
EISBN: 978-1-62708-253-2
... economy. The fossil fuel employed in a steam turbine plant can be pulverized coal (PC), oil, or natural gas. Of all these, coal is most abundant and is widely used as a fuel for steam turbine plants. A power plant using steam as its working medium works on the principle of the Rankine cycle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... Fig. 4.2 Creep strength of different materials used as boiler tubes and related applications Fig. 4.3 Maximum allowable stresses for various classes of alloys with respect to temperature Fig. 4.1 Correlation between the plant efficiency for a given set of steam conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130395
EISBN: 978-1-62708-284-6
... Localized zones of melting  Severe quench …  High temperature …  Low temperature …  High carbon …  Low density … Steam treatment  Continous mesh belt furnace Low hardness  Batch furnace Leaky product (pores not well sealed)  Low temperature Low oxide layer...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490001
EISBN: 978-1-62708-340-9
... field containing conducting wires (stator), as shown schematically in Fig. 1.1 ( Ref 3 ). Rotation of the shaft is achieved by coupling it to a turbine in which the kinetic energy of a moving fluid is converted into mechanical energy of rotation. The working fluid can be wind, water, steam...
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: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
... Fig. 12.10 Melting temperatures of various salts that are likely to form in WTE boilers. The temperatures of waterwall saturated fluid and superheater steam are also indicated for comparison. Source: Ref 30 Fig. 12.11 Vapor pressures of some alkali and heavy metal salts as a function...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... grains near tensile rupture resulting from rapid overheating below the recrystallization temperature, 200×; and (b) mixed structure near rupture resulting from rapid overheating between Ac 1 and Ac 3 and subsequent quenching by escaping water or steam, 400× Abstract Abstract Boiler tubes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
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
... of the reheater (1000 °F steam) for 3½ years in a 255 MW(e) subcritical boiler, which burned high chlorine coal (about 0.3%). The 304H reheater tubes exhibited a typical 4 year life. Courtesy of Welding Services Inc. Fig. 10.89 The cross section of alloy 52/304H overlay tube after testing as part...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820077
EISBN: 978-1-62708-339-3
... at the fusion line. Source: Ref 23 Improper PWHT can, however, lead to corrosion failures. Example 2 describes failure of type 430 tube-to-header welds that failed in a heat recovery steam generator because of problems associated with PWHT. Example 1: Leaking Welds in a Ferritic Stainless Steel...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... Recovery Steam Generator Unit Background Details Investigation and Findings Conclusions Background Details Investigation and Findings Conclusions Background Details Investigation and Findings Conclusions The final superheater tube of a 620 MW boiler failed after 4 years...