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granular ferrite

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410113
EISBN: 978-1-62708-265-5
... ferrite, Widmanstatten ferrite, quasi-polygonal or massive ferrite, acicular ferrite, and granular ferrite. acicular ferrite cooling rate Dube classification system ferrite granular ferrite microstructure polygonal ferrite quasi-polygonal ferrite Widmanstatten ferrite THIS CHAPTER...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560005
EISBN: 978-1-62708-291-4
... ferrite, fine ferrite, coarse-grain ferrite, coarse ferrite, coarse polygonal ferrite, granular ferrite, subgrain ferrite, blocky ferrite, irregular ferrite, platelike ferrite, banded ferrite, serrated ferrite, wrinkled ferrite, needlelike ferrite, lathlike ferrite, abnormal ferrite, bull’s-eye ferrite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610055
EISBN: 978-1-62708-303-4
... transverse direction of HY-100 steel plate with a severely banded microstructure (alternating bands of ferrite and granular ferrite). Loading direction was perpendicular to the bands. Fracture is reported to initiate near the centerline. Note the apparent absence of a central, flat fibrous zone. Source: Ref...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560185
EISBN: 978-1-62708-291-4
... Fig. 8.1 Austenitization of a high-carbon steel. Original structure: ferrite and spheroidized cementite. The dark-etching areas were austenitic prior to quenching. The mid-tone areas are cementite. The lightest areas are ferrite. (a) Unheated. Picral. 1500×. (b) Heated at 745 °C for 5 s...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220445
EISBN: 978-1-62708-259-4
... of the austenite formed during the treatment inside the critical region transforms to bainite. Besides “granular” retained austenite, retained austenite is also found between the bainite plates (or bainitic ferrite, since the silicon contents are frequently high enough to delay or prevent carbide precipitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220475
EISBN: 978-1-62708-259-4
... = 0.04%, Ti = 0.01%, + Ni, Cu, Mo. Granular ferrite and bainite (martensite and retained austenite are also present). Courtesy of Nippon Steel Corporation. Source: Ref 11 Fig. 14.12 Experimental API X120 steel produced by controlled rolling in accordance with the cycle presented in (c). Steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
..., retained austenite is found instead of carbides at the acicular ferrite boundaries ( Ref 10 ). Another form of bainite is so-called “granular” bainite, which consists of acicular ferrite and discrete islands or regions of retained austenite and/or martensite (sometimes called the M-A constituent...
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
... matrix shown at 75× (a) and in the etched (picral) condition shown at 300× (b). Etching reveals that the matrix consists of ferritic envelopes around the graphite nodules (bull’s-eye structure) surrounded by a pearlitic matrix. Ductile irons are used in the as-cast or heat-treated conditions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400215
EISBN: 978-1-62708-258-7
... ferrite grains and carbides 4% picral + 2% nital or Marshall’s reagent Pearlite 4% picral Bainite 4% picral Granular bainite (martensite-austenite constituent) 4% picral Martensite, as-quenched 2% nital Martensite, tempered 4% picral + 2% nital Prior austenite grain boundaries...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... fisheyes appear as bright spots in a gray ductile matrix. Fig. 10 SEM image of center of fisheye showing intergranular fracture Fig. 11 Ferrite vein crack occurring in the prior-austenite grain boundaries of weld metal deposited on A709-grade 50W Fig. 16 Cross section of weld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220193
EISBN: 978-1-62708-259-4
..., namely martensite and bainite. It also discusses the formation of austenite, the control and measurement of austenitic grain size, the characteristics of ferritic microstructures, and the methods used to classify ferrite morphology. austenite austenite decomposition austenitic grain size bainite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
...) in Nomarski differential interference contrast (note the “old” and “new” ferrite, as in dual-phase steel). The austenitizing temperature for the case is approximately 1475 °F, which is in the two-phase field for the core. New ferrite formed due to limited hardenability in the quench. Courtesy of G. Vander...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.9781627083126
EISBN: 978-1-62708-312-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.9781627082587
EISBN: 978-1-62708-258-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560221
EISBN: 978-1-62708-291-4
... at 400 °C for 20 s. Optical micrograph is shown in Fig. 9.5 . Picral. 5000×. (h) Austenitized at 860 °C, transformed at 400 °C for 50 s. Optical micrograph is shown in Fig. 9.5 . 420 HV. Picral. 5000×. Fig. 9.4 (Part 3) (i) Carbides (large arrow) formed at ferrite lath boundaries (small...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
...Atomic volume of various microstructural constituents of ferrous alloys Table 1 Atomic volume of various microstructural constituents of ferrous alloys Phase Apparent atomic volume, Å 3 Ferrite 11.789 Cementite 12.769 Ferrite+carbides 11.786+0.163 C (a) Pearlite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.9781627082914
EISBN: 978-1-62708-291-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050263
EISBN: 978-1-62708-311-9
... shows white ferrite grains in a longitudinal cut from a workpiece that was not austenitized hot enough. Conditions occur under which all of the previous potential problems have been reviewed and have been found to be in control or in proper range during setup, but inspection during production...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... Fig. 11 Micrograph of the typical base metal microstructure of storage vessel B. Etching with nital revealed ferrite (light) and lamellar pearlite (dark). Source: Ref 21 Fig. 12 Micrograph of a longitudinal crack in the HAZ of a weld from storage vessel B. Etched with nital. Source: Ref...