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flake graphite

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170091
EISBN: 978-1-62708-297-6
...Abstract Abstract This article discusses the composition and morphology of compacted graphite (CG) iron relative to that of gray and ductile iron. It explains that the graphite in CG iron is intermediate in shape between the spheroidal graphite found in ductile iron and the flake graphite...
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...
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
... thereof. The four types of graphitic cast irons are roughly classified according to the morphology of the graphite phase. Gray iron has flake-shaped graphite, ductile iron has nodular or spherically shaped graphite, compacted graphite iron (also called vermicular graphite iron) is intermediate between...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... iron microstructures at 100 times optical magnification. (a) Flake graphite in gray cast iron (GCI), (b) graphite nodules in ductile iron (DI), (c) white iron, no graphite nodules or flakes (60 HRC) Fig. 7.12 Hardfacing on the sides of an excavator shovel Fig. 7.3 Ferrite grains...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170021
EISBN: 978-1-62708-297-6
... °F (315 to 455 °C),” Internal report, Climax Molybdenum Co. 13. White D.G. , Growth and Scaling Characteristics of Cast Irons with Undercooled and Normal Flake Graphite , BCIRA J. , Vol 11 , 1963 , p 223 – 230 14. Gilbert G.N.J. and White D.G. , Growth...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140175
EISBN: 978-1-62708-264-8
... , 1972 16.2. Hughes I.C.H. , A Review of Solidification of Cast Irons with Flake Graphite Structures , The Solidification of Metals , Publication 110 , ISI London , 1967 , p 184 – 192 16.3. Heat Treater’s Guide: Practices and Procedures for Irons and Steels , 2nd ed. , ASM...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400001
EISBN: 978-1-62708-258-7
... fraction of graphite flakes (the graphite flakes have a gray appearance). Gray iron is sometimes identified as “FG,” which refers to the flake graphite that is present. The microstructure of a typical gray iron is shown in Fig. 1.24 . Fig. 1.24 Micrograph of a gray cast iron showing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630013
EISBN: 978-1-62708-270-9
... describing the effects of temperature variations on mechanical properties, both in tension and in compression. The nonlinear behavior of gray cast iron caused by the graphite flakes is then described. Finally, the effect of stress concentrations on high-strength metals is considered. elastic...
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
... Usual name Carbon rich phase Matrix Final structure obtained through Gray cast irons Lamellar or flake graphite P, F Solidification Nodular cast iron or ductile cast iron Nodular graphite F, P, A Solidification or heat treatment Compacted graphite iron, GGI, or vermicular graphite...
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
... during solidification in a manner similar to that in which eutectic graphite separates in gray cast iron. However, because of additives (spheroidizing elements) introduced in the molten iron before casting, graphite grows as spheres, rather than as flakes of any of the forms characteristic of gray irons...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400049
EISBN: 978-1-62708-258-7
... Shortness Sensitization Temper Embrittlement Microcrack Formation Graphitization of Steel Microstructures Altered during Cutting/Machining Microstructures Altered under Service Conditions Normalizing Homogenizing Quenching Intercritical Annealing Cold Working...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440207
EISBN: 978-1-62708-262-4
... Fig. 2 Typical microstructures of four types of cast iron. (a) Gray iron showing graphite flakes (black) in a pearlite matrix. 380×. (b) White cast iron showing massive carbides (white) and pearlite. 380×. Malleable iron showing graphite nodules in a ferrite matrix. 380×. (d) Ductile iron showing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850001
EISBN: 978-1-62708-260-0
.... The white areas indicate the presence of iron carbide, while the dark areas indicate that flake graphite is present. Figure 1-37 The fracture of this eutectoid carbon bar that broke during heat treatment reveals the depth of hardening and an unsound center condition. Hot-acid etching of a disc...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560005
EISBN: 978-1-62708-291-4
... treatments, will free carbon or graphite be present, and in such alloys, the form of the graphite is usually specified by a suitable adjective. Thus, the terms primary graphite, secondary graphite , and temper carbon indicate the origin of the phase, whereas, the morphology is suggested by flake graphite...
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
.... With so much carbon and silicon, graphite, rather than cementite, tends to form on freezing. With the cooling rates typical of casting into sand molds, the graphite forms as flakes. Figure 7.11 shows a typical microstructure of a gray cast iron . The ductility is limited to a few percent elongation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400023
EISBN: 978-1-62708-258-7
... and cast. There are a number of different types of cast iron that are widely used today for numerous applications. They are generally classified according to their microstructure, for example, gray iron, for its gray fracture appearance due to the presence of graphite flakes in the microstructure; white...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240323
EISBN: 978-1-62708-251-8
... develops on the surface and destroys the oxide layer, it forms a local anodic area, and corrosion is accelerated. Galvanic series in seawater Table 18.2 Galvanic series in seawater Cathodic (protected) Platinum Gold Graphite Titanium Silver Stainless steels (passive...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
... of a steel with similar Rockwell hardness. In hardened gray iron, the graphite flakes present in the iron also act as preexisting notches, limiting the value of high material hardness for some applications. Cast irons may vary significantly in combined carbon content, and results from induction hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... 625 Hastelloy C Chlorimet 3 Silver Titanium Graphite Gold Platinum Cathodic end (least easily corroded) Source: Ref 4 One of the most important factors influencing corrosion is the difference in electrical potential of two different metals when...
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...