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Jominy testing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
.... The three stages of cooling on quenching and the dominant heat extraction mechanisms are indicated in the figure. Source: Ref 3 Fig. 10.46 Arrangement for the Jominy end-quench hardenability test according to SAE J406 or ASTM A255 ( Ref 22 ) standards. Specimen dimensions and all other relevant...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560043
EISBN: 978-1-62708-353-9
... not depend on the alloy content. (From same source as Fig. 3-2 ) Fig. 3-4 Hardness versus cooling rate for a 1080 steel and a 4340 steel. For each steel, the curve is for a specific austenite grain size Fig. 3-5 Description of the Jominy test. (From same source as Fig. 3-2 ) Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
... … 0.35–0.40 1.2–1.3 … Good 61 200 0.05 0.40–0.60 1.4–2.0 … Strong 230 750 … 0.60–0.80 1.6–2.0 4.0 Fig. 4 Plot of end-quench test results for five different steels Fig. 3 Jominy end-quench hardenability test. (a) Standard end-quench test specimen, (b) specimen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410335
EISBN: 978-1-62708-265-5
... the Grossmann-Bain approach or Jominy end-quench testing. It also explains how hardenability can be improved through the addition of boron, phosphorus, and other alloys. Grossmann-Bain approach hardenability hardness Jominy test martensite A MARTENSITIC MICROSTRUCTURE is the hardest...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140083
EISBN: 978-1-62708-264-8
.... The chapter also discusses the effect of grain size and alloying elements and explains how Jominy end quench testing is used to evaluate the hardenability of steel. continuous transformation diagram hardenability hardness isothermal transformation diagram Jominy test steel THE PROFESSIONAL...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.9781627083263
EISBN: 978-1-62708-326-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900067
EISBN: 978-1-62708-358-4
... transformation of austenite. The role that diffusion-controlled phase transformations play relative to the hardenability of high-carbon and alloy tool steels is then emphasized. It presents general considerations of transformation diagrams, Jominy curves, and the hardenability of tool steels. The factors related...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200327
EISBN: 978-1-62708-354-6
... in Figure 24-9 ( 6 ). Cooling curves associated with selected positions on a Jominy bar are also superimposed. Fig. 24-9 Experimentally determined CT diagram (continuous lines) for steel with German designation 42 CrMo 4 (0.38% C, 0.99% Cr, and 0.16% Mo). IT diagram is also shown (dashed lines...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170062
EISBN: 978-1-62708-297-6
... and reduces hardness. The hardenability of ductile cast iron is an important parameter for determining the response of a specific iron to normalizing, quenching and tempering, or austempering. Hardenability is normally measured by the Jominy test described in ASTM A 255 and SAE J406, in which a standard...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.9781627083539
EISBN: 978-1-62708-353-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560087
EISBN: 978-1-62708-353-9
... rate at any location in a quenched steel component. (J.L Lamont, Iron Age , Vol 152, p 64 (Oct 14, 1943), Ref 13 ) Fig. 4-17 (Part 1) Jominy band for 1340H steel and 4340H steel. (From ASTM specification A 304-70, American Society for Testing and Materials, Philadelphia (1984). Copyright...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560365
EISBN: 978-1-62708-353-9
... of 0.30 inch. Hardness readings are then taken along the center line of this surface, giving an average value of Rockwell C 50. Determine the severity of quench value for this medium. Does this steel have the type of Jominy curve for best making this type of test? These values agree reasonably...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440027
EISBN: 978-1-62708-262-4
... for high production work (Jominy specimens are being tested). Source: Ref 3 Fig. 4 Indentation in a workpiece made by application of (a) the minor load and (b) the major load, on a diamond Brale indenter in Rockwell hardness testing. The hardness value is based on the difference in depths...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900141
EISBN: 978-1-62708-358-4
... in the highly alloyed tool steels. Figure 8-3 shows an IT diagram for a 1% C steel containing 1.21% Cr ( Ref 3 ). As discussed in Chapter 4 , Jominy end-quench testing relates austenite transformation kinetics to the hardness of the microstructures formed by continuous cooling. Figures 8–4 to 8–7 show...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ems.t53730069
EISBN: 978-1-62708-283-9
...Abstract Abstract This chapter discusses ferrous metals, including low-carbon steels, stainless steels, and cast irons. It also provides information on hardening and hardenability and the tempering process. hardening tempering ferrous metals hardenability Jominy end-quench testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... that one shaft had not failed after testing for the maximum number of cycles shown. Source: Ref 45 Fig. 95 Bending fatigue strength of gear teeth at (a) tooth gap hardening and (b) flank hardening for various steels. Broken lines denote confidence limit according to DIN 3990. Source: Ref 36...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900165
EISBN: 978-1-62708-358-4
... and 9-4 , respectively. The diagrams cannot be compared directly because different austenitizing temperatures were used, but both show that hardenability is limited by bainite formation. The flat Jominy end-quench curves shown in Fig. 9-5 for three heats of a low-silicon S1 steel demonstrate the good...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250059
EISBN: 978-1-62708-287-7
... the depth of martensite layers. A major breakthrough came when Walter P. Jominy and A.L. Boegehold at the Research Laboratories Division of General Motors Corp. developed a test for measuring the “hardenability” of any particular steel or heat of steel. This test consisted of heating a one-inch-round...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560389
EISBN: 978-1-62708-353-9
...Abstract Abstract This chapter discusses the method for calculating hardenability from composition. It contains tables listing multiplying factors, carbon content, initial hardness, and 50% martensite hardness. The tables also list Jominy distance for 50% martensite vs. DI (in. and mm), boron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900181
EISBN: 978-1-62708-358-4
... Oil 1 (diam) × 2 in. 4 O7 1.25 0.30 1.40 0.40 ... 0.20 Water 1 (diam) × 2 in. 5 ... 1.05 0.70 0.50 1.60 ... ... Oil 1 (diam) × 3 in. Figures 10-5 and 10-6 show Jominy end-quench curves for O1 and O7 tool steels, respectively. The O1 steel exhibits significantly...