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High-temperature corrosion and oxidation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030025
EISBN: 978-1-62708-282-2
... Abstract This chapter focuses on resistance characteristics and methods of protecting different forms of high-temperature gaseous corrosion, namely high-temperature oxidation, sulfidation, carburization, hydrogen effects, and hot corrosion. high-temperature gaseous corrosion high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030176
EISBN: 978-1-62708-282-2
... of commercially pure nickel, Nickel 201 (N02201), have been used to handle elevated-temperature caustic environments. High-Temperature Corrosion The various types of attack by high-temperature gases usually are referred to as oxidation, sulfidation, carburization, nitriding, and halogen-gas corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230485
EISBN: 978-1-62708-298-3
... surface was totally oxidized. The corrosion product was primarily beryllium oxide with a few percent of beryllium nitride. Anodizing the beryllium in chromic acid before high-temperature oxidation lengthened the induction period. Fig. 26.2 Effect of temperature on the beryllium oxidation rate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280287
EISBN: 978-1-62708-267-9
... Abstract Superalloys tend to operate in environments where they are subjected to high-temperature corrosion, oxidation, and the erosive effects of hot gases. This chapter discusses the nature of these attacks and the effectiveness of various protection methods. It describes the primary forms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080235
EISBN: 978-1-62708-304-1
... velocity and high particle loading. The continual removal of the material from a component by this process is referred to as “erosion.” When the component is exposed to elevated temperatures where oxidation and/or other modes of high-temperature corrosion are involved, it is frequently referred...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000111
EISBN: 978-1-62708-313-3
... environmental resistance and manufacturing are briefly addressed. 6.1 Environmental Resistance While there are several environmental-attack mechanisms that affect superalloys, such as erosion, aqueous corrosion, fretting, carburization, sulfidation, and so on, the two main mechanisms at high temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080201
EISBN: 978-1-62708-304-1
.... The third environment, for which less data exists, contains either SO2 or O2-SO2 mixtures. chromium oxide oxygen activity sulfidation sulfur 7.1 Introduction Sulfur is one of the most common corrosive contaminants in high-temperature industrial environments. Sulfur is generally present...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
..., if the operational loads do not exceed the yield strength of the metal. The principal types of elevated-temperature failure mechanisms are creep, stress rupture, low-cycle or high-cycle fatigue, thermal fatigue, overload, hot corrosion, embrittlement, sulfidation, carburization, oxidation, distortion...
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 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000203
EISBN: 978-1-62708-312-6
... the sintering temperature. These are oxides of silicon, and their formation is promoted by a high dew point of the sintering atmosphere and slow rate of cooling from sintering temperature Fig. 22 SEM image of as-sintered surface of a 434L part showing an oxide free surface, achieved by sintering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060315
EISBN: 978-1-62708-261-7
... cobalt alloys stems from the effects of chromium, which enhances passivity in aqueous media and encourages the formation of protective oxide films at high temperatures. The aqueous corrosion resistance of these alloys is enhanced by the tungsten (and, in some cases, molybdenum) additions. However...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120123
EISBN: 978-1-62708-269-3
... oxidizing conditions (such as nitric acid, air at moderately high temperatures, and anodic treatments) promote corrosion resistance of titanium and its alloys through growth of the oxide film. Dissolved oxygen is an important inhibitor in hot or mildly reducing chlorine solutions, but if its supply...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310069
EISBN: 978-1-62708-286-0
... used when high strength or high formability is the main objective; (2) chromium nickel alloys used for high temperature oxidation resistance; and (3) chromium, molybdenum, nickel, and nitrogen alloys used for applications where corrosion resistance is the main objective. austenitic stainless...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... temperature cannot, in general, be isolated from the moisture effect, because most of the more tropical exposure sites are also in regions with high humidity. One exception is arid Phoenix, AZ. Atmospheric Corrosion of Various Metals The average atmospheric corrosion rates of various metals for 10 year...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240323
EISBN: 978-1-62708-251-8
... of the metal, by conditioning the environment, and by electrochemical control. Finally, the chapter deals with high-temperature oxidation that usually occurs in the absence of moisture. uniform corrosion galvanic corrosion pitting corrosion crevice corrosion erosion corrosion cavitation corrosion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240547
EISBN: 978-1-62708-251-8
... Abstract Nickel and nickel alloys have an excellent combination of corrosion, oxidation, and heat resistance, combined with good mechanical properties. Nickel alloys can be divided into alloys that combine corrosion and heat resistance, superalloys for high-temperature applications, and special...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240583
EISBN: 978-1-62708-251-8
..., and relatively low thermal expansions compared to other metals. Unfortunately, despite their high-temperature resistance, all of them oxidize severely at relatively low temperatures and therefore require oxidation-resistant coatings for elevated-temperature use. Protective coating systems have been developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000117
EISBN: 978-1-62708-313-3
... to sulfidation, high temperature oxidation, hydrogen embrittlement, saline solutions and most mineral acids. Also resistant to pitting and crevice corrosion. Tensile strength of 2068 MPa (300 ksi) at low temperatures (SSH + work + PH); where SSH = solid-solution hardened, PH = precipitation hardened; service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080147
EISBN: 978-1-62708-304-1
... different alloy systems (Ni-Cr-Mo alloys S, Fe-Ni-Cr alloy 800H, and Ni-Cr-Al alloy 214). As discussed earlier, refractory metals, such as molybdenum and tungsten, are detrimental to chloridation resistance in oxidizing environments at high temperatures. Alloy S was found to be less corrosion resistant than...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170495
EISBN: 978-1-62708-297-6
..., and some versatile alloys are capable of serving effectively in multiple capacities. For example, alloy 718 (UNS N07718) resists corrosion in organic acids, alkalies and salts, and seawater; it is resistant to high-temperature oxidation, carburization, and nitridation; and it exhibits high strength...