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Cast Iron: Compacted Graphite

2016
In this entry, a review of research papers is presented that highlights the formation of a microstructure and the properties of compacted graphite cast iron (CGI) castings. The entry presents the morphology of compacted graphite compared to flake graphite and spheroidal (nodular) graphite.
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Compacted Graphite Iron Castings

2008
Abstract This article reviews the graphite morphology, chemical composition requirements, castability, mechanical properties, and corrosion resistance of compacted graphite (CG) irons. It describes the factors affecting the mechanical properties of CG irons. The article also presents the advantages of the CG irons.
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Methods of Producing Compacted Graphite Structures

SAE Technical Paper Series, 1981
<div class="htmlview paragraph">The growing number of applications for compacted graphite irons has placed an increased emphasis on production methods for this material. This paper will review various techniques by which compacted graphite structures can be produced, evaluate production constraints posed by each method, summarize commercial ...
Thomas F. Fugiel, Michael J. Lalich
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Unusual Microstructure in Shock-Compacted Graphite

Proceedings, annual meeting, Electron Microscopy Society of America, 1970
Crushed and statically compressed Madagascar graphite that was explosively shocked at 425 kb by means of a planar flyer-plate is characterized by a black zone extending for 2 to 3 nun below the impact plane of the driver. Beyond this point, the material assumes the normal gray color of graphite.
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Controlling melt quality of compacted graphite iron

Materials Science and Engineering: A, 2007
A melt quality evaluation system, based on the pattern recognition of the thermal analysis cooling curves and database technique, has been developed to evaluate the modification level and predict the graphite morphology in compacted graphite iron (CGI).
X.J. Sun, Y.X. Li, X. Chen
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Wear Mechanism when Machining Compacted Graphite Iron

CIRP Annals, 2002
Abstract The industrial application of compacted graphite iron in the automotive industry is taking a rather long time due to its uneconomic machinability, because of a significant decrease in tool life. After six years of holistic research of the PTW in cooperation with foundries, manufactures and material scientists, the wear mechanism was ...
E. Abele, A. Sahm, H. Schulz
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Automotive Compacted Graphite Iron Castings

2018
<div class="section abstract"> <div class="htmlview paragraph">This SAE Standard covers the mechanical and physical requirements for Compacted Graphite Iron (CGI) castings used in automotive and allied industries. Requirements in this document include: <ol class="list nostyle"> <li class="list-item"> <span class="li-label ...
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Sintered copper–graphite powder compacts forindustrial applications

Powder Metallurgy, 2001
AbstractStudies were made on copper/graphite based powders and sintered compacts for industrial applications. The dependence of particle shape on friction in the powder mass, compression ratio, and electrical receptivity of powder metallurgy components was studied using near spherical precipitated copper powders and angular or flakelike powders ...
F.F.O. Orumwense, B.A. Okorie, E.O. Okeakpu, E.N. Obiora, L.I. Onyeji   +4 more
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Morphology of Flake, Ductile and Compacted Graphite

JOM, 1986
A review with 43 references on factors controlling the formation of flake, spheroidal, and compacted graphite in cast iron. Graphite nucleation, growth, and morphology are important in detecting the physical and mechanical properties of cast iron.
Murthy, VSR, Kishore, *, Seshan, S
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Machinability of Compacted Graphite Iron in Honing

ASME 2008 International Manufacturing Science and Engineering Conference, Volume 1, 2008
Compacted graphite iron (CGI) has been viewed as the next generation casting material for diesel engines to further the automotive energy efficiency because of its better mechanical strength for lighter engine designs as compared to gray cast iron. The machinability of CGI is analyzed and tested in honing, a standard engine manufacturing process for ...
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