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molten salt corrosion

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003581
EISBN: 978-1-62708-182-5
...: reference electrodes and indicator electrodes. It explains that corrosion in molten salts can be caused by the solubility of the metal in the salt, particularly if the metal dissolves in its own chloride. The article describes the factors that affect the corrosion of titanium, namely, the titanium chloride...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003609
EISBN: 978-1-62708-182-5
... Abstract This article discusses two general mechanisms of corrosion in molten salts. One is the metal dissolution caused by the solubility of the metal in the melt. The second and most common mechanism is the oxidation of the metal to ions. Specific examples of the types of corrosion expected...
Image
Published: 01 January 2003
Fig. 3 Effect of molten salt corrosion on nickel-base and stainless steel alloys. In all four examples, chromium depletion (dealloying) was the result of prolonged exposure. Accompanying chromium depletion was the formation of subsurface voids, which did not connect with the surface More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003593
EISBN: 978-1-62708-182-5
... to study fused-salt corrosion. fused salt fused salt corrosion hot corrosion molten salt corrosion sodium sulfate system THE OPERATION of high-temperature engineering systems, despite their associated materials problems, is inherent to advanced technologies that strive to gain an advantage...
Image
Published: 15 January 2021
Fig. 23 Effect of molten salt on hot corrosion at 700 °C (1290 °F) in air. With the lower melting temperatures of salt mixtures, the corrosion rate increases with increasing volume fraction of liquid. Courtesy of Z. Tang and B. Gleeson, University of Pittsburgh More
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003715
EISBN: 978-1-62708-182-5
... Abstract This article provides a discussion on the fundamentals of corrosion thermodynamics. The discussion focuses on electrochemical reactions, molten salt corrosion thermodynamics, and geochemical modeling. corrosion thermodynamics electrochemical reactions molten salt corrosion...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004218
EISBN: 978-1-62708-184-9
... Abstract The high-temperature corrosion processes that are most frequently responsible for the degradation of furnace accessories are oxidation, carburization, decarburization, sulfidation, molten-salt corrosion, and molten-metal corrosion. This article discusses each corrosion process, along...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003587
EISBN: 978-1-62708-182-5
... Abstract Molten salts, or fused salts, can cause corrosion by the solution of constituents of the container material, selective attack, pitting, electrochemical reactions, mass transport due to thermal gradients, and reaction of constituents and impurities of the molten salt with the container...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003577
EISBN: 978-1-62708-182-5
... as an extension of the concept to species adsorbed on metal surfaces. The more specific topic of thermodynamics of corrosion in molten salts is treated in a separate article, “Molten Salt Corrosion Thermodynamics” . The interesting contribution of geochemistry in modeling of stable chemical states in complex...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... oxidation, carburization, metal dusting, nitridation, carbonitridation, sulfidation, and chloridation. Several other potential degradation processes, namely hot corrosion, hydrogen interactions, molten salts, aging, molten sand, erosion-corrosion, and environmental cracking, are discussed under boiler tube...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003821
EISBN: 978-1-62708-183-2
..., and corrosion by molten salts. Applications where the corrosion properties of nickel alloys are important factors in materials selection include the petroleum, chemical, and electrical power industries. Most nickel alloys are much more resistant than the stainless steels to reducing acids, such as hydrochloric...
Book Chapter

By Daryl D. Peter
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001388
EISBN: 978-1-62708-173-3
... Abstract This article describes the dip brazing process and the principal types of furnaces used for molten-salt-bath dip-brazing applications. It provides information on equipment maintenance, which is divided into temperature control, control of the liquid, and maintenance of the vessel...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003671
EISBN: 978-1-62708-182-5
... of the atmosphere, liquid, or molten salt, the temperature and thermal cycle profiles, the stress states of the materials, fatigue conditions, and the design parameters. The objective for performing a given high- temperature corrosion test should be identified during the initial phase of designing the testing...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001225
EISBN: 978-1-62708-170-2
... Abstract Molten salt baths are anhydrous, fused chemical baths used at elevated temperatures for a variety of industrial cleaning applications. This article discusses their applications in paint stripping, polymer removal, casting cleaning, glass removal, and plasma/flame spray removal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... and metal dusting, sulfidation, hot corrosion, chloridation, hydrogen interactions, molten metals, molten salts, and aging reactions including sensitization, stress-corrosion cracking, and corrosion fatigue. It concludes with a discussion on various protective coatings, such as aluminide coatings, overlay...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003842
EISBN: 978-1-62708-183-2
... Abstract This article examines the high-temperature oxidation of silica-forming ceramics under constant temperature and cyclic conditions. The effects of water vapor, impurities, and molten salts are discussed. The article describes the oxidation and corrosion of silica-forming composites...
Image
Published: 01 January 2003
Fig. 5 Corrosion attack in a nickel-base alloy after two months at 870 °C (1600 °F) in a molten BaCl 2 salt bath. Source: Ref 2 More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003220
EISBN: 978-1-62708-199-3
... for martensitic alloys in the fully hardened condition because of the danger of hydrogen-embrittlement cracking. Salt Bath Descaling The removal of heavy scale may be accelerated by using baths of molten sodium hydroxide to which certain reagents are added. These baths can be used with virtually all...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004124
EISBN: 978-1-62708-184-9
... Hydrogen damage, hydrogen embrittlement Molten salts Aging reactions such as sensitization Creep Erosion/corrosion Environmental cracking (stress–corrosion cracking and corrosion fatigue) Boilers Boilers may be used to supply heating and cooling, main power, or auxiliary power...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
..., and into, the compound layer, forming Fe 3 O 4 magnetite, which provides added corrosion resistance on most ferrous materials. Salt Bath Systems Steels that are heat treated in molten salts typically are processed in ceramic-lined furnaces. Salt bath furnaces consist of pots of molten salt heated by direct...