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Fused salts, environment

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090303
EISBN: 978-1-62708-266-2
..., and strain rate affect the SCC behavior of zirconium and its alloys. It describes environments known to induce SCC, including aqueous solutions, organic liquids, hot and fused salts, and liquid metals. It also discusses cracking mechanisms and SCC prevention and control techniques. stress-corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
... -11.4CO 2 -7.0CO-4.4H 2 -11.9H 2 O-1000ppmHCl). Specimens were not coated with salts nor covered with ash deposits. Both environments, containing about 1000 ppm HCl, showed that the corrosion rates for both carbon steel (SA178C) and Type 304 were less than 0.25 mm/yr (<10 mpy). Smith and Ganesan ( Ref...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090271
EISBN: 978-1-62708-266-2
... subcritical cracking behavior in titanium alloys is generally observed, such that no exact, well-defined crack threshold stress level can be identified. These environments include certain liquid and solid metals, dry methanol, molten halide salts, and hot halide salt residues. Table 10.2 provides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... are among the most widely used surface-engineering processes. Paints or linings that act as protective film to isolate the substrate from the environment exist in a number of different forms. Sheet linings, commonly of the vinyl or vinylidene chloride family, are one such type of coating that can be either...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440141
EISBN: 978-1-62708-262-4
... contaminates quenching mediums. Because of the problems associated with salt removal, liquid carburizing is not recommended for parts containing small holes, threads, or recessed areas that are difficult to clean. It should again be pointed out that processes using cyanide present waste treatment environmental...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080409
EISBN: 978-1-62708-304-1
...Abstract Abstract Containment materials used in power generating applications are subject to molten salt corrosion. This chapter reviews the data relevant to corrosion problems in molten salt environments. It describes the corrosion behavior of steel, aluminum, nickel, and titanium alloys...
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: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060369
EISBN: 978-1-62708-261-7
...-corrosion cracking (SCC) under certain conditions Material Environment Aluminum alloys Na-Cl-H 2 O 2 solutions NaCl solutions Seawater Air, water vapor Copper alloys Ammonia vapors and solutions Amines Water, water vapor Gold alloys FeCl 3 solutions Acetic acid-salt solutions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080321
EISBN: 978-1-62708-304-1
... formed on the metal, thus causing rapid corrosion attack. The corrosion mechanism is essentially hot corrosion involving a fused salt in an oxidizing environment. The hot corrosion mechanism involving fused Na 2 SO 4 has been extensively studied in high-temperature corrosion of gas turbine components...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350183
EISBN: 978-1-62708-315-7
... and Canada ( Ref 1 ), 70% offered carburizing services, of which: 48% offered gas atmosphere carburizing 19% offered pack carburizing 12% offered salt-bath carburizing 5% offered carburizing in fluid beds 2% offered vacuum carburizing 1% offered plasma (ion) carburizing Thus...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090419
EISBN: 978-1-62708-266-2
... to this type of failure ( Ref 18.21 ). Despite the substantial progress that has been achieved in the field, SCC continues to be not only an economic problem but also a safety and environmental concern, because SCC failures have been detected in a wide range of environments, steel grades, and steel structures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... slow and it is dirty. 21.3.2 Liquid Carburizing Liquid carburizing is carried out in a bath of fused salt containing 20 to 50 wt% sodium cyanide, up to 40 wt% sodium carbonate, and varying amounts of either sodium or barium chloride. The bath temperature ranges from 870 to 955 ┬░C (1600 to 1750...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... environment. Concentration cells can accelerate pitting. Concentration cells are areas on the metal surface where the oxygen or conductive salt concentrations in water differ. As a pit becomes deeper, an oxygen concentration cell is started by depletion of oxygen in the pit. The rate of penetration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
...Abstract Abstract All materials are susceptible to corrosion or some form of environmental degradation. Although no single material is suitable for all applications, usually there are a variety of materials that will perform satisfactorily in a given environment. The intent of this chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630211
EISBN: 978-1-62708-270-9
..., corrosion fatigue (a subset of environmentally induced cracking) is essentially fatigue fracture aggravated by the effects of the environment. Reference 1 defines corrosion fatigue as: In general, we think of the corrosion that occurs during cyclic stressing as reducing fatigue life, as pointed out...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.9781627083041
EISBN: 978-1-62708-304-1
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280203
EISBN: 978-1-62708-267-9
... of maintaining the bath during idle time. The electrolytic salt bath used to descale heat-resistant alloys contains fused caustic soda rather than sodium hydride. The parts and the tank are alternately negative and positive poles of a direct current circuit. This fused caustic soda bath, which contains...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... belt pulleys, tool holders and fixtures, and many other items requiring wear resistance. Second, because of its excellent resistance to corrosion, hardcoat is used on aluminum components in harsh environments. These include outside exposure in salt air, marine components, automobile wash equipment...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120085
EISBN: 978-1-62708-269-3
... compounds on the melting point. Although they contain oxidizing agents, the effect of these materials is not as aggressive as it is in the high-temperature fused salts. Consequently, organic materials are not destroyed, but they are saponified and absorbed. Silicate barrier films and molybdenum disulfide...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230117
EISBN: 978-1-62708-298-3
... of the chloride in a flow of hydrogen chloride. Chloroberyllate compounds have not been isolated from aqueous systems, but they have been isolated from anhydrous fused salt mixtures. Beryllium Fluoride Beryllium Fluoride, BeF 2 properties differ sharply from those of the chloride, bromide, and iodide...