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firing temperature

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Published: 01 December 1989
Fig. 9.2. Past and future trends of heavy-duty gas-turbine firing temperatures and corresponding blade-material developments ( Ref 4 and 5 ). More
Image
Published: 01 November 2007
Fig. 11.8 Summary of the design steam-exit temperatures for oil-fired boilers built during the 20th century. Source: Ref 16 More
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Published: 01 December 1989
Fig. 5.6. Temperature dependence of fire-side corrosion for 2¼Cr-1Mo ferritic steel and type 321 austenitic stainless steel ( Ref 6 ). More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730081
EISBN: 978-1-62708-283-9
... Usually silica and feldspar are added to the kaolinite. During firing they form a silica-rich glass that bonds together the mullite crystals. Earthenware, ovenware, stoneware, china, and porcelain are various forms of pottery that differ in composition and firing temperature. Earthenware basically...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
.... The idea of shaping an object from powder, using a transient binder phase followed by sintering, arose 25,000 years ago. Early objects were bricks and ceramic containers fired on charcoal fires. The fired bodies were strong but relatively weak, due to the low firing temperatures. Jugs fabricated this way...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080001
EISBN: 978-1-62708-304-1
... Abstract This chapter outlines the topics covered in the book and explains why and to whom the book was written. The book is intended for engineers, metallurgists, and failure analysts who work with materials and components that operate in high-temperature corrosive environments. It covers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080321
EISBN: 978-1-62708-304-1
... at 538 °C (1000 °F) or even lower. Analysis of deposits in terms of percent water soluble collected from the corrosion probe at metal temperatures of 475–675 °C (890–1250 °F) at 0.4% boiler oxygen in a utility boiler fired with fuel oil containing 2.65% S, 49 ppm V, and 44 ppm Na Table 11.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430001
EISBN: 978-1-62708-253-2
.... Further discussion on each one of them is covered in succeeding paragraphs. On the basis of the combustion system, industrial boilers may be grouped as burner- or stoker-type boilers. Further classification of the boilers may be done based on the fuel used, working pressure and temperature, firing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430147
EISBN: 978-1-62708-253-2
... Abstract This chapter provides an outline of the failure modes and mechanisms associated with most boiler tube failures in coal-fired power plants. Primary categories include stress rupture failures, water-side corrosion, fire-side corrosion, fire-side erosion, fatigue, operation failures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
... on the waterwall tubes of supercritical coal-fired boilers fired under low NOx combustion conditions, conducive to the production of sulfidizing environments. In the other case, stress contributes to brittle fracture in the form of intergranular cracking. The phenomenon, which is known by various names, typically...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430290
EISBN: 978-1-62708-253-2
... melting point, typically below 500 °C (930 °F). Fire-side corrosion due to a low-melting phase formed in coal ash is termed coal-ash corrosion , and that in an oil-fired boiler is oil-ash corrosion . Coal-Ash Corrosion The high-temperature parts of a boiler such as the superheater and reheater...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780159
EISBN: 978-1-62708-281-5
... that occurs at a rate fast enough to produce temperature rise and (usually) light, either as a glow or flame ( Ref 1 ). Fire is defined as destructive burning, as manifested by light, flame, heat, and/or smoke. The combustible materials in most fatal fires are natural or synthetic polymers ( Ref 2 ). A large...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080437
EISBN: 978-1-62708-304-1
... for coal-fired boilers, while the other source of hydrogen is from high-pressure, high-temperature hydrogen-containing atmospheres used in petroleum refining. Hydrogen attack problems related to these two separate areas are discussed in the following sections. 17.2 Hydrogen Attack in Coal-Fired Boilers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270126
EISBN: 978-1-62708-301-0
... Abstract A test flight was cut short after a fire warning came on indicating a problem with one of the four engines on an aircraft. A visual examination following the precautionary landing revealed several burned hoses, a melted bolt, and fuel leaking from the base of the main burner. The fuel...
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
... Abstract This chapter discusses material-related problems associated with coal-fired burners. It explains how high temperatures affect heat-absorbing surfaces in furnace combustion areas and in the convection pass of superheaters and reheaters. It describes how low-NOx combustion technology...
Image
Published: 01 July 2009
Fig. 10.5 Half-cycles of thermal strain-induced hysteresis. (a) Thermal down-shock followed by equilibrium temperatures. (b) Thermal up-shock following Space Shuttle Main Engine firing More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
...× Taking into account the approximate working hours, the estimated skin temperature from the calculations based on the Larson-Miller parameter (LMP) was 460 °C (860 °F). The rise in temperature might be attributed to the greater internal scaling. The scale thickness on the ID surface on the fire side...
Image
Published: 01 December 2015
Fig. 5 High-temperature sulfidic corrosion of 150 mm (6 in.) diameter carbon steel tube from radiant section of crude preheat furnace at crude distillation unit. Note accelerated attack on fire side. More
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Published: 01 November 2007
Fig. 11.10 Results of corrosion probe tests for 1000 h as a function of the tube metal temperature in a boiler fired with fuel oil containing 3.54% S, 91 ppm V, and 71 ppm Na. Source: Ref 15 More
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Published: 01 November 2007
Fig. 11.11 Results of corrosion probe tests for 2000 h as a function of the tube metal temperature in a boiler fired with fuel oil containing 3.54% S, 91 ppm V, and 71 ppm Na. Source: Ref 15 More