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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320207
EISBN: 978-1-62708-332-4
... Abstract Compacted graphite iron (GCI) is a cast iron grade that is engineered through graphite morphology modifications to achieve a combination of thermal and mechanical properties that are in between those of flake graphite iron and ductile iron. This chapter discusses the advantages...
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 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 in gray 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
... contributes to the production of spheroidal transformation products and why secondary graphitization sometimes occurs. cementite graphitization pearlite plastic deformation spheroidization A spheroidized structure , which consists of approximately spherical particles of cementite in a matrix...
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Published: 01 October 2011
Fig. 10.12 Proeutectic graphite. (a) Kish graphite in as-cast gray iron (Fe-4.3C-1.5Si-0.5Mn-0.12P-0.08S). (b) Formation of lumpy or starlike proeutectic graphite with rapid cooling of a hypereutectic alloy. As-polished. Original magnification: 100× More
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Published: 01 March 2002
Fig. 1.29 Typical graphite shapes after ASTM A 247. I, spheroidal graphite; II, imperfect spheroidal graphite; III, temper graphite; IV, compacted graphite: V, crab graphite; VI, exploded graphite; VII, flake graphite More
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Published: 01 October 2011
Fig. 10.13 Type A flake graphite in (a) hypoeutectic as-cast gray iron (Fe-2.8C-1.85Si-0.5Mn-0.04P-0.025S) and (b) hypereutectic as-cast gray iron (Fe-3.5C-2.95Si-0.4Mn-0.08P-0.02S-0.13Ni-0.15Cu). As-polished. Original magnification: 100× More
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Published: 01 August 2013
Fig. 7.11 Microstructure of gray cast iron. The black flakes are graphite, the white areas are ferrite, and the grey areas are pearlite. Source: Ref 7.6 More
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Published: 01 August 2013
Fig. 7.12 Ductile cast iron. The spheroids are graphite and the white areas are ferrite. Source: Ref 7.6 More
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Published: 01 August 2013
Fig. 8.16 The structure of graphite. Source: Ref 8.2 More
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Published: 01 August 2018
Fig. 7.20 Metastable Fe-C phase equilibrium diagram (graphite is not present). The ferrite field at lower temperatures was exaggerated (out of scale) to be visualized. More
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Published: 01 August 2018
Fig. 17.1 Iron-carbon phase diagram. Dashed lines: equilibrium with graphite. Solid lines: metastable equilibrium with cementite. Some phase equilibria are not affected by the presence of either graphite or cementite. Gr: graphite; L: liquid; (gamma) γ: austenite. More
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Published: 01 August 2018
Fig. 17.7 A portion of the Fe-C-Si diagram in the region of the graphite containing eutectic. Gr: graphite; L: liquid; gamma, γ: austenite. The effect of increasing the silicon content on the important equilibria is evident. The increase of the silicon content causes the reduction of carbon More
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Published: 01 August 2018
Fig. 17.21 Gray cast iron with large graphite flakes. Nonmetallic inclusions can also be observed. Not etched. More
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Published: 01 August 2018
Fig. 17.23 (a) Lamellar graphite in gray cast iron, subjected to deep etching to completely dissolve the metal matrix. Etchant: nital 10%, 2 h LSEM, SE. (b) Tridimensional reconstruction of lamellar graphite in gray cast iron. Section done by focused ion beam (FIB) and images obtained by SE More
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Published: 01 August 2018
Fig. 17.24 (a) Type VII, Distribution A graphite (ASTM A247). Flakes with random orientation, curved and sometimes presenting bifurcations. (b) Type VII, Distribution A graphite in a gray cast iron. Not etched. More
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Published: 01 August 2018
Fig. 17.25 (a) Type VII, Distribution B graphite (ASTM A247). Flakes with radial distribution around nuclei with eutectic aspect (see also Fig. 8.24 ). (b) Type VII, Distribution B graphite in a gray cast iron. Not etched. More
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Published: 01 August 2018
Fig. 17.26 (a) Type VII, Distribution C graphite (ASTM A247). Large flakes, almost straight. Small normal flakes in between the large flakes. (b) Type VII, Distribution C graphite in a gray cast iron. Not etched. More
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Published: 01 August 2018
Fig. 17.27 Type VII, Distribution C graphite in a gray cast iron. Not etched. More
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Published: 01 August 2018
Fig. 17.28 (a) Type VII, Distribution D graphite (ASTM A247). Small, short flakes in the interdendritic spaces, eutectic morphology (see also Fig. 8.24 ). (b) Type VII, Distribution D graphite in a gray cast iron. Not etched. More
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Published: 01 August 2018
Fig. 17.29 (a) Type VII, Distribution E graphite (ASTM A247). Flakes oriented according to the interdendritic spaces. (b) Gray cast iron with Type VII, Distribution E graphite. Not etched. More