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Grossmann-Bain approach

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Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005824
EISBN: 978-1-62708-165-8
... traditionally defined using Grossmann quench severity ( H -values). A mildly agitated oil is reported to exhibit H -values of 0.30 to 0.35, and mildly agitated water exhibits H -values of 1.0 to 1.1. A still-water quench at 30 °C (85 °F) is defined as H = 1.0 ( Ref 32 ). As discussed earlier, the critical...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005823
EISBN: 978-1-62708-165-8
... if Jominy data can be related to variations in quench severity and cooling rates within different bar sizes, shapes, and positions within a bar. This has been effectively done with the Lamont transformations ( Ref 14 ). From heat-transfer models developed by T.F. Russell ( Ref 18 ) and by Grossmann et al...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005949
EISBN: 978-1-62708-168-9
..., and discusses the classification of carbon steels for heat treatment. The article also discusses the estimation of continuous cooling curves from isothermal transformation curves. It provides information on the Jominy end-quench test and the Grossmann method and the procedures to increase hardenabilty of carbon...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005436
EISBN: 978-1-62708-196-2
... for the hardening power of a quenchant is very similar to the dimensionless Biot number, Bi , described later in this text. Grossmann, Asimov, and Urban ( Ref 2 ) placed all steels on a common basis for hardenability. They made the following assumptions: Thermal diffusivity was constant. The quenching...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005815
EISBN: 978-1-62708-165-8
... and Stages As recognized for many years ( Ref 1 ), temperature is the key factor in tempering, because microstructural modifications are accelerated by increasing temperature. For carbon or low-alloy steels, the following five practical temperature ranges suggested by Grossmann and Bain ( Ref 1...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005819
EISBN: 978-1-62708-165-8
... occur because of the low solubility of carbon in the bcc ferrite, but the cementite forms as separate particles rather than as continuous lamellae, as in pearlite. The microstructure produced by both shear and diffusion is termed bainite, after Edgar C. Bain, who did much pioneering work...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005796
EISBN: 978-1-62708-165-8
... of shallow-hardening, low-carbon, plain carbon, and low-alloy medium-carbon steels ranging from classical fracture and etching, Grossmann hardenability, and Jominy end-quench testing to manual and computerized computational methods. The article then uses this as a backdrop for the implementation of the core...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003195
EISBN: 978-1-62708-199-3
... Components , in Steel Heat Treatment Handbook , Totten G.E. and Howes M.A.H. , Ed., Marcel Dekker, Inc. , 1997 • Krauss G. , Steels: Heat Treatment and Processing Principles , ASM International , 1990 (updated version of Grossmann M.A. and Bain E.C. , Principles...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.9781627081658
EISBN: 978-1-62708-165-8
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001025
EISBN: 978-1-62708-161-0
... hardening to a greater depth than fine-grained steels, all other factors being equal. For steels in which pearlite (or ferrite) limits the hardenability of the steel, a useful diagram relating grain size (ASTM grain size number) to ideal critical diameter ( D I ) in steels was developed by Grossmann...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005802
EISBN: 978-1-62708-165-8
... will give quenching speeds approaching that of medium-to-fast quenching oils, while thinner oils promote elimination of the vapor phase, as shown in Fig. 7 ( Ref 14 ). Fig. 7 Cooling-rate curves of oils from different viscosities. Adapted from Ref 14 The higher operation temperature...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005873
EISBN: 978-1-62708-167-2
... windings in its central region ( Fig. 7d ). Another option is to use multilayer windings near the coil end ( Fig. 7e ) and a single-layer winding in its central region, assuming use of sufficiently low frequencies (e.g., 50 to 60 Hz). All of these approaches, as well as the other designs shown in Fig. 7...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001434
EISBN: 978-1-62708-173-3
... as a remedy. When hot cracking occurs in an austenitic weld metal, a common remedy is to use a mostly austenitic filler metal that includes a small amount of ferrite. However, another approach toward avoiding hot cracking may be necessary in situations that require low magnetic permeability, high toughness...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.9781627081689
EISBN: 978-1-62708-168-9
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005954
EISBN: 978-1-62708-168-9