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Carburizing

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Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v04F.a0007017
EISBN: 978-1-62708-450-5
... and potential methods for determining a solution. Then, quantitative analyses of practical industrial problems are demonstrated. Finally, the potential shift in these approaches with the advent of Industry 4.0 is outlined. carburizing Industry 4.0 modeling quenching QUENCHING and industrial heat...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006406
EISBN: 978-1-62708-192-4
... Abstract This article reviews the factors influencing carburization to improve wear resistance of steel, such as operating temperature, cost, production volume, types of wear, and design criteria. It details the types of wear, namely abrasive wear and adhesive wear. The article discusses...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005952
EISBN: 978-1-62708-168-9
... Abstract This article commences with a brief introduction on the hardenability of carburized steels, and then reviews the factors used in the selection of carburizing steels and heat treatment methods. The factors include quench medium, stress considerations, case depth, and type of case...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005793
EISBN: 978-1-62708-165-8
... Abstract The plasma carburizing process is basically a low-pressure carburizing process making use of a high-voltage electrical field applied between the load to be treated and the furnace wall producing activated and ionized gas species responsible for carbon transfer to the workpieces...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005811
EISBN: 978-1-62708-165-8
... Abstract Carburization is the process of intentionally increasing the carbon content of a steel surface so that a hardened case can be produced by martensitic transformation during quenching. Like carburizing, carbonitriding involves heating above the upper critical temperature to austenitize...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005813
EISBN: 978-1-62708-165-8
... Abstract Low-pressure carburizing (LPC) is one of the most popular case-hardening processes and is applied to increase the fatigue limit of dynamically loaded components. It takes place in a pressure range between 5 and 15 mbar (4 and 11 torr) and at temperature range between 870 and 1050 deg C...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005799
EISBN: 978-1-62708-165-8
... Abstract This article describes the thermodynamics and kinetics of gas carburizing reactions, and details the mass transfer mechanism during gas carburizing. It discusses the various considerations involved in carburizing process planning, and reviews successful operation of the gas carburizing...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005778
EISBN: 978-1-62708-165-8
... Abstract This article describes the uses of the liquid carburizing process carried out in low and high temperature cyanide-containing baths, and details the noncyanide liquid carburizing process which can be accomplished in a bath containing a special grade of carbon. It presents a simple...
Book Chapter

Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005765
EISBN: 978-1-62708-165-8
... Abstract Pack carburizing is a process in which carbon monoxide derived from a solid compound decomposes at the metal surface into nascent carbon and carbon dioxide. In addition to discussing the pros and cons of pack carburizing, this article provides information on the carburizing medium...
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Published: 01 August 2013
Fig. 11 Carburizing strategy resulting in unwanted carbide formation. Carburizing temperature is 940 °C (1725 °F); material is 18CrNi8. More
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Published: 01 August 2013
Fig. 20 Carburizing depth as a function of carburizing temperature and duration (without heating). CHD, case-hardening depth. Source: Ref 16 More
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Published: 01 August 2013
Fig. 10 Grain growth in conventional carburizing steels with increasing carburizing temperature More
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Published: 09 June 2014
Fig. 49 Surface heat treatment conditions showing (a) vacuum carburizing and (b) contour refining condition. Source: Ref 48 More
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Published: 01 October 2014
Fig. 23 An SAE 8620 gear was running 100% scrap in carburizing and hardening, with taper in the teeth of as much as 0.09 mm (0.0035 in.). Production was satisfactory when stock was added to back up the teeth (as shown in the schematic), and six holes were added to improve the flow of quenching More
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Published: 01 October 2014
Fig. 4 Case depths with high carburizing temperatures. (a) Given the same times at temperature, carburizing AISI 8620 at 1010 °C (1850 °F) produces much heavier cases than carburizing at lower temperatures. (b) Parts carburized at 1010 °C (1850 °F) develop plateaus of carbon contents in cases More
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Published: 01 October 2014
Fig. 6 Increase in end-quench hardenability by adding ammonia to the carburizing atmosphere. These curves were obtained under the following processing conditions: 3 h treatment time at 840 °C (1550 °F), water quench; furnace atmospheres: 90% endothermic carrier gas, 10% natural gas under one More
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Published: 01 October 2014
Fig. 11 The shift in A cm temperatures with alloying in various carburizing steels. Source: Ref 32 More
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Published: 01 October 2014
Fig. 11 Reduction in peak residual stresses due to tempering after carburizing and hardening. Source: Ref 9 More
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Published: 01 October 2014
Fig. 18 Cycle time optimization of a carburizing operation using the probabilistic approach. Source: Ref 41 More
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Published: 01 October 2014
Fig. 20 Variations in distortion during carburizing of a pinion gear due to variations in alloy chemistry range for the SAE 8620 grade. Source: Ref 42 More