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salt bath furnace

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0046044
EISBN: 978-1-62708-235-8
...) for 4 h, austenitize at 900 °C (1650 °F) for 30 min, furnace cool to 845 °C (1550 °F) and hold for 30 min, quench in salt bath at 205 °C (400 °F) for 20 min, air cool to 50 °C (125 °F), wash in hot water, air dry, snap temper at 315 °C (600 °F) for 4 h, air cool, final temper at 550 °C (1025 °F) for 4 h...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046926
EISBN: 978-1-62708-232-7
... that the cause of failure of each of the three salt pots was severe intergranular corrosion accompanied by substantial chromium depletion. No recommendations were made. Dechromizing Salt baths Salt pots RA-330 UNS N08330 Dealloying/selective leaching Intergranular corrosion High-temperature...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
... that cause a part to fail during heat treatment. The article discusses the problems associated with heating and furnaces, quenching media, quenching stresses, hardenability, tempering, carburizing, carbonitriding, and nitriding as well as potential stainless steel problems and problems associated...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... Abstract The various methods of furnace, torch, induction, resistance, dip, and laser brazing are used to produce a wide range of highly reliable brazed assemblies. However, imperfections that can lead to braze failure may result if proper attention is not paid to the physical properties...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... with sufficient hardenability should be oil or salt quenched. A schematic illustration of a press quenching system is provided in Fig. 25 . Fig. 25 Schematic of a press quench system. Courtesy of Gleason Tooling Products Group The following are additional guidelines ( Ref 4 ): Balance...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
... is ferritic. Etched with 2% nital. Original magnification: 235× Carburization and Decarburization Meticulous control of the furnace atmosphere is needed to prevent unintentional carburization and decarburization. Such control is not difficult with properly instrumented heat treating equipment...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003532
EISBN: 978-1-62708-180-1
... to detect if the surface had been plated with nickel. Fig. 11 Light micrographs of specimens of 1215 carbon steel that were salt bath nitrided and mounted in different resins. (a) Epomet thermosetting epoxy resin. (b) Phenolic thermosetting resin. (c) Methyl methacrylate thermoplastic resin. (d...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
... steel is made in a furnace normally used to make high-alloy steels. The refractory lining of the furnace may impart sufficient residual chromium and other alloying elements to a heat of low-carbon steel that problems occur when components made from that heat are joined using standard welding procedures...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
..., but would probably be very hard to detect if the surface had been plated with nickel. Fig. 3 Light micrographs of specimens of 1215 carbon steel that were salt bath nitrided and mounted in different resins. (a) Thermosetting epoxy resin. (b) Phenolic thermosetting resin. (c) Methyl methacrylate...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... compound Crystal structures of ceramic materials are often more complex than those of metallic materials. High-packing-density cubic structures do exist in some ceramic materials (rock salt and cesium chloride structures), but the presence of more than one type of atom together with ionic bonding...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... components, storage tanks, furnace tubes, and other pressure-boundary components. This article is not intended to provide detailed calculations on specific evaluations of damage or assessments of operating conditions. Before performing an assessment, fitness for service practitioners should consider...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... taken was not reported. Examples of Factors Contributing to Galvanic Corrosion Ion Transfer Ion transfer results in the deposition of active and noncompatible deposits on a metal surface. For example, an aluminum stirrer plate used in water was extensively pitted because the water bath...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... action taken was not reported. Examples of Factors Contributing to Galvanic Corrosion Ion Transfer Ion transfer results in the deposition of active and noncompatible deposits on a metal surface. For example, an aluminum stirrer plate used in water was extensively pitted because the water bath...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
..., nonscratching brush Washing with organic solvents Use of an ultrasonic cleaning bath and appropriate solvents. The use of an ultrasonic cleaning bath is very useful in speeding up the cleaning process. Use of a mild acid or alkali, depending on the metal. A solution that attacks the deposits...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... method on the list is considered nondestructive. These include: Removal of debris with a blast of pressurized gas or air Brushing with a soft, nonscratching brush Washing with organic solvents Use of an ultrasonic cleaning bath and appropriate solvents. The use of an ultrasonic cleaning...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... an ultrasonic bath if possible. The surfaces may also be gently scrubbed with a soft nylon or bristle brush, such as a toothbrush, to help loosen and remove the deposits. Microscopic Fracture Characteristics To determine the fracture morphology, fracture/opened-crack surfaces should be examined using...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006822
EISBN: 978-1-62708-329-4
... with a soft nylon brush using water and a mild detergent or alcohol is often sufficient to remove surface debris and lightly adhering corrosion products. Specific solvents may be beneficial for removing hydrocarbon contamination, and ultrasonic baths can be used for more tightly adhering deposits. Inhibited...