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lamellar graphite

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220583
EISBN: 978-1-62708-259-4
...Types of cast iron and their structural characteristics Table 17.1 Types of cast iron and their structural characteristics Usual name Carbon rich phase Matrix Final structure obtained through Gray cast irons Lamellar or flake graphite P, F Solidification Nodular cast iron...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560165
EISBN: 978-1-62708-291-4
... been subjected from observations of these changes. Secondary Graphitization Spheroidization of Lamellar Pearlite Spheroidization of Proeutectoid Cementite Spheroidization Following Partial Austenitization Graphitization at Subcritical Temperatures Graphitization during Austenitizing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060247
EISBN: 978-1-62708-261-7
... in obtaining common cast irons, is given in Table 10.3 . With the advent of metallography, the shapes of the graphite phase are classified by types, such as those in ASTM A247 ( Ref 10.6 ). The basic types of graphite shapes include: Lamellar (flake) graphite (Type VII in ASTM A247) Spheroidal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560005
EISBN: 978-1-62708-291-4
... W.S. , Schoen E.J. , and Srinivasan G.R. , in Phase Transformations , American Society for Metals , Cleveland , 1968 , p. 157 . Pearlite Sorbite and Troostite Bainite Conclusion Austenite Ferrite Cementite Carbide Graphite Martensite Single-Phase...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420087
EISBN: 978-1-62708-310-2
... lamellae is 7.4%. Fig. 5.12 Microstructure of a gray cast iron showing flake graphite. Transverse section etched with nital. Source: Ref 5.6 Many eutectic microstructures can be classified as lamellar or fibrous, but there is an important exception, namely, spheroidal graphite cast iron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240453
EISBN: 978-1-62708-251-8
... Malleable   2.2–2.9   0.9–1.9   0.15–1.2   0.02–0.2   0.02–0.2 bal Source: Ref 5 Cast iron classifications Table 24.2 Cast iron classifications Commercial designation Carbon-rich phase Matrix (a) Fracture Final structure after Gray iron Lamellar graphite P Gray...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420143
EISBN: 978-1-62708-310-2
...-Fe 3 C diagram. Solid lines indicate Fe-Fe 3 C diagram; dashed lines indicate iron-graphite diagram. Source: Ref 8.2 as published in Ref 8.3 Carbon forms a series of solid solutions with iron, as indicated by the δ, γ, and α fields. However, carbon has very limited solubility in iron...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240153
EISBN: 978-1-62708-251-8
... on the surrounding iron lattice are much lower. Even though present in very small amounts, carbon significantly influences the mechanical properties of ferrite. Steels contain carbon in the form of cementite, while cast irons can contain either cementite or carbon in the form of graphite. Graphite is a more...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310127
EISBN: 978-1-62708-326-3
... transformation diagram for annealing lamellar pearlite. Time is counted only after the upper cooling critical temperature has been passed. Fig. 17 Intergranular corrosion in austenitic stainless steel. (a) Section through the center of the outside sidebar. Original magnification: 35×. (b) Evidence...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... surface Fig. 6.44 (a) Graphite nodules in as-polished (unetched) sample, 100 ×; (b) fine, banded ferrite-pearlite structure of the core with graphite nodules, 400×; (c) microstructure at the edge consisting of completely spheroidized structure with intergranular cracks and graphite nodules, 400...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
...× Fig. 2.1(d) A microstructure consisting of pearlite (dark), bainite (gray), and martensite (white). 4% picral and 2% nitral etch. 500× Fig. 2.2 The iron-carbon phase diagram. Solid lines indicate Fe-Fe 3 C diagram; dashed lines indicate iron-graphite diagram. Source: Ref 5 Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... either the bcc structure of ferrite or the fcc structure of austenite, but it is well known. Cementite is not completely stable, because carbon ultimately decomposes into graphite over time. However, cementite is sufficiently stable to be considered as a “near equilibrium phase” that occurs when carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220101
EISBN: 978-1-62708-259-4
... many families of steels that are widely employed in industry. The Fe-C equilibrium in Chapter 1, “Steel as Material,” Fig. 1.3 , is usually not fully established in steels in the solid state, and graphite is usually not present. Instead of graphite, a metastable iron-carbide Fe 3 C (with 25 atomic...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.9781627082822
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440009
EISBN: 978-1-62708-262-4
... throughout, which is separated from the rest of the alloy by distinct bounding surfaces. Phases that occur in iron-carbon alloys are molten alloy, austenite (gamma phase), ferrite (alpha phase), cementite, and graphite. These phases are also called constituents. Not all constituents (such as pearlite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410009
EISBN: 978-1-62708-265-5
..., and alternating bands of pearlite, with its fine-scale lamellar structure of alternating crystals of ferrite and cementite, which on etching appear dark. The microstructures that produce the white and dark patterns are attributed to chemical variations produced by solidification and banding in the wootz steel...
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.t66560125
EISBN: 978-1-62708-291-4
...), and an increase in the volume fraction of proeutectoid cementite with further increase in carbon content. The lamellar spacing of the pearlite in all hypoeutectoid steels in this series is much the same, and in all hypereutectoid steels likewise, but the spacing in the latter is much coarser than in the former...