density of compacted graphite iron

Tensile and Thermal Properties in Compacted Graphite Irons

Aug 20, 2010 Abstract Tensile and thermal properties of compacted graphite irons CGIs, prepared with various molybdenum additions and solidification rates, have been investigated for temperatures between room temperature and 873 K 600 °C

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Compacted Graphite Iron: Part Two :: Total Materia Article

Figure 1: Grey iron, compacted graphite iron and ductile iron are differentiated by the shape of the graphite particles In addition to graphite structure differences, there are significant compositional differences between gray cast iron and CGI which are also largely responsible for the differences in the machinability of these two metals

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Compacted Graphite Irons

Table 1 Nominal compositions of typical treatment alloys for CG iron Compacted Graphite Irons / 669 I Composition, Compaetizing elements Antieompuetizing elements 7

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Standard Specification for Compacted Graphite Iron Castings

1 1 This specification covers castings made of compacted graphite iron, which is described as cast iron with the graphite in compacted vermiform shapes and essentially free of flake graphite in the bulk of the casting

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Compacted graphite iron

Compacted graphite iron CGI, also known as vermicular graphite iron GJV, VG, JV or GGV from the German: Gusseisen mit Vermiculargraphit especially in non English speaking countries, is a metal which is gaining popularity in applications that require either greater strength, or lower weight than cast iron

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Mechanical properties of compacted graphite cast iron with

Keywords: Compacted graphite cast iron, Microstructures, Mechanical properties Introduction Compacted graphite CG cast iron is part of the cast iron family belonging to the FeC irregular eutectic system, characterised by an intermediate graphite morphology between the classical flake and nodular graphite irons FG and NG respectively

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ACTICOTE CG for compacted graphite iron castings

grey iron is being superseded as the material of choice by newer materials such as compacted graphite iron CGI The graphite particles in CGI are randomly orientated as in grey iron but are shorter and thicker and form an entangled, three dimensional structure within the iron matrix The graphite structure inhibits crack formation and

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Compacted graphite iron

Compacted graphite iron CGI, also known as vermicular graphite iron GJV, VG, JV or GGV from the German: Gusseisen mit Vermiculargraphit especially in non English speaking countries, is a metal which is gaining popularity in applications that require either greater strength, or lower weight than cast iron

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Spheroidal Graphite Cast Iron Grades, Properties

Spheroidal Graphite Cast Iron Grades, Properties, Composition, Microstructure, Density and Castings Spheroidal graphite cast iron can be short as S G cast iron, and also can be called as ductile iron, or nodular graphite iron Therefore, SG cast iron has completely same grades and all mechanical and chemical properties as ductile iron

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High Speed Machining Compacted Graphite Iron

Why Compacted Graphite Iron? Cutting Developments Make Application Now Practical In 1949, a now well known material called ductile iron was patented At the same time, a lesser known material called Compacted Graphite Iron CGI was also patented, though it was just considered a curiosity at the time

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Compacted Graphite Iron: A Viable Alternative

Compacted Graphite Iron is intermediate to gray and ductile iron in its microstructure, its properties and its production in the foundry As such, CGI invariably contains some spheroidal graphite, referred to as nodularity For optimal castability, machinability and thermal conductivity, the nodularity should be kept

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Lubrication Machining of Compacted Graphite Iron

cast iron is easily machined at low production costs, higher metal removal rates with long tool life Different from gray cast iron, compacted graphite iron, has a graphite structure much like that of coral Such a graphite structure produces lower levels of discontinuities and stress concentration effects within the metal, giving rise to higher

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Compacted in a sentence esp good sentence like quote

The method of compacted density test by new type of rubber with water volumometer is presented 33 40 Our company can produces grey iron, ductile iron, compacted graphite cast iron, heat resisting cast iron , cold resisting cast iron , and corrosion cast iron 41

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Compacted graphite iron Saguenay foundry

Saguenay Foundry produces Compacted Graphite Iron castings from 200 lb to 12,000 lb 100 kg to 5500 kg CGI is also known as vermicular iron For more information on CGIs properties, please go to our Technical Center Custom CGI We pour CGI parts for a variety of applications requiring high thermal shock resistance

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Compacted Graphite Iron Castings Durham Foundry

Compacted Graphite Iron, which is also known as CGI or Vermicular Graphite Iron, is a form of cast iron in which the shape of the graphite particles is between that of conventional grey iron flakes and ductile iron where the graphite is in spheres The worm like compacted graphite shape provides physical properties that mirror the most

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Effect of holding time, thickness and heat treatment on

Compacted graphite iron is usually used as pearlitic matrix for the diesel engine block and ferritic matrix for manifold exhaust The chemical composition, section thickness and heat treatment are the main factors controlling the microstructure and consequently the mechanical properties 3 5 1 Effect of heat treatment on pearlite to ferrite

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Mechanical Properties of Compacted Graphite Cast Iron

Data from mechanical property evaluations of compacted graphite iron are summarized and reviewed A significant amount of information is presented regarding the influence of structure, composition, and processing variables on compacted graphite iron tensile properties, while compression, shear, fatigue, and impact data is limited

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Compacted Graphite Iron A Material Solution for Modern

Compacted Graphite Iron A Material Solution for Modern Engine Design 2011 01 1083 The demands for improved fuel economy, performance and emissions continue to pose challenges for engine designers and the materials they choose The present paper provides a review of the properties of Compacted Graphite Iron CGI, gray cast iron and aluminum

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Thermal Conductivity of Thin Walled Compacted Graphite

pacted graphite cast iron can compete in terms of mechani cal, foundry and thermophysical properties with light alloys and composites 57 Compacted Graphite Iron CGI also known as Ver micular Graphite Iron is a modern engineering alloy with attractive features

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SinterCast AB CGI Properties

The full SinterCast CGI Material Property Database is available to SinterCasts Customers and has also been used as the basis of the chapter entitled Mechanical Properties of Compacted Graphite Iron in the recently published AFS American Foundry Society Iron Castings Engineering Handbook

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In fact, one type of cast iron is an aggressive alter native to these lightweight alloys: compacted graphite iron CGI Nowa days, it is accepted that CGI can effectively reduce the total weight of an automobile by virtue of its high strength when compared to other cast irons and aluminum alloys In this case the use of the strength to density

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Computational Assessment of Thermal Conductivity of

As a preferred material for engine components at high temperature, such as cylinder head, compacted graphite cast iron CGI exhibits a super combination of excellent mechanical properties and outstanding thermal conductivity With the increase in power density,

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Compacted Bulk Density How is Compacted Bulk Density

CBD Compacted Bulk Density Looking for abbreviations of CBD? It is Compacted Bulk Density Compacted Bulk Density listed as CBD Compacted Bulk Density How is Compacted Bulk Density abbreviated? Compacted Graphite Iron Compacted in Place compacted volume compacted yards Compactedly Compactedness compacter compacter compacter

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Thermal Conductivity of Thin Walled Compacted Graphite

2 Thin walled castings made of cast iron with compacted graphite similar to cast iron with type D flake graphite shows little change in the value of thermal conductivity in the investigated temperature range of 22600°C in comparison, especially to ductile iron

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Compacted graphite iron

OverviewMetallurgyApplicationsSee also

Compacted graphite iron CGI, also known as vermicular graphite iron GJV, VG, JV or GGV from the German: Gusseisen mit Vermiculargraphit especially in non English speaking countries, is a metal which is gaining popularity in applications that require either greater strength, or lower weight than cast iron
R D Schelleng obtained a patent for the production of compacted graphite iron in 1965

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Compacted in a sentence esp good sentence like quote

The method of compacted density test by new type of rubber with water volumometer is presented 33 40 Our company can produces grey iron, ductile iron, compacted graphite cast iron, heat resisting cast iron , cold resisting cast iron , and corrosion cast iron 41

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Compacted Graphite Iron: A Viable Alternative

iron and the improved thermal conductivity relative to ductile iron The relative properties of the three cast irons are summarized in Table I Figure 1: Gray iron, compacted graphite iron, and ductile iron are differentiated by the shape of the graphite particles Figure 2: Deep etched scanning electron micrographs show the

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Compacted Graphite Iron for Diesel Engine Cylinder Blocks

diesel engines, compacted graphite iron, cylinder blocks 1 Introduction: In a recent paper discussing CGI uses for engine cylinder blocks and heads, S Dawson 2001 stated that the Iron Age is just beginning and we have taken this statement for the present paper His point of view, added to those from Rizzo 2001, discloses the enormous

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Compacted Graphite Iron: Part One :: Total Materia Article

Compacted graphite iron CGI along with lamellar graphite iron and spheroidal graphite iron define the three main classes of cast iron according to morphology CGI displays very useful properties for a range of engineering applications with the tensile strength and elastic modulus being considerably higher than grey cast irons 75 and 35

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Influence of Section Thickness on the Thermal Conductivity

ABSTRACT Cast iron has been used in large applications due to its good mechanical and friction properties with good thermal conductivity This research studies the influence of section thickness on the thermal conductivity of compacted graphite cast iron at elevated temperatures Compacted graphite cast iron was

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On thermal expansion and density of CGI and SGI cast irons

The thermal expansion and density of Compacted Graphite Iron CGI and Spheroidal Graphite Iron SGI were measured in the temperature range of

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MACHINING OF GRAY CAST IRONS AND COMPACTED

MACHINING OF GRAY CAST IRONS AND COMPACTED GRAPHITE IRON B Tasdelen1, M Escursell2, G Grenmyr 3, L Nyborg 4 1, 3, 4 Department of Materials and Manufacturing Technology, Chalmers University of Technology, SE 41296 Gothenburg, Sweden 2 Machining Development Center, SKF, Gothenburg, Sweden [email protected] se

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Compacted synonyms, compacted antonyms FreeThesaurus com

Synonyms for compacted in Free Thesaurus Antonyms for compacted 119 synonyms for compact: closely packed, firm, solid, thick, dense, compressed, condensed

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Standard Specification for Compacted Graphite Iron Castings

1 1 This specification covers castings made of compacted graphite iron, which is described as cast iron with the graphite in compacted vermiform shapes and essentially free of flake graphite in the bulk of the casting

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Casting Process Simulation of Compacted Graphite Iron 03

Compacted Graphite Iron CGI has been known since the nineties as a high strength casting material Figure 1 However, applications of this material were limited due to uncertainties with regard to process control and machinability Presently, the decision of automobile manufacturers to substitute CGI for gray iron engine blocks

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SinterCast AB Compacted Graphite Iron

The difference between the three types of graphite is more striking when viewed in the three dimensional deep etch scanning electron micrographs In comparison to either grey iron or ductile iron, the entangled compacted graphite 'clusters' interlock themselves into the iron matrix to provide a strong adhesion

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Compacted Graphite Irons

Table 1 Nominal compositions of typical treatment alloys for CG iron Compacted Graphite Irons / 669 I Composition, Compaetizing elements Antieompuetizing elements 7

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How to machine compacted graphite iron

the iron matrix, increasing, relative to gray iron, tensile strength at least 75 and stiff ness 35 while roughly doubling fatigue strength, as shown in the table The change of graphite shape from flake like in gray iron to compacted in CGI and spheroidal in nodular, or ductile, iron is a function of the amount of magnesium modifi cation

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ACTICOTE CG for compacted graphite iron castings

grey iron is being superseded as the material of choice by newer materials such as compacted graphite iron CGI The graphite particles in CGI are randomly orientated as in grey iron but are shorter and thicker and form an entangled, three dimensional structure within the iron matrix The graphite structure inhibits crack formation and

Get Price

Compacted Graphite Iron: Mechanical and Physical

graphite and the iron matrix Ultimately, the compacted graphite morphology inhibits both crack initiation and propagation and is the source of the improved mechanical properties relative to grey cast iron Compacted Graphite Iron: Mechanical and Physical Properties for Engine Design

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Lubrication Machining of Compacted Graphite Iron

LUBRICATION MACHINING OF COMPACTED GRAPHITE IRON By R Evans, F Hoogendoorn, E Platt, Quaker Chemical Corporation, Metalworking Division Laboratory to the differences in the material properties and machinability of these two metals Gray cast iron LUBRICATION MACHINING OF COMPACTED

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Computational Assessment of Thermal Conductivity of

As a preferred material for engine components at high temperature, such as cylinder head, compacted graphite cast iron CGI exhibits a super combination of excellent mechanical properties and outstanding thermal conductivity With the increase in power density,

Get Price

On thermal expansion and density of CGI and SGI cast irons

The thermal expansion and density of Compacted Graphite Iron CGI and Spheroidal Graphite Iron SGI were measured in the temperature range of 25500 °C using push rod type dilatometer

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MACHINING OF GRAY CAST IRONS AND COMPACTED

MACHINING OF GRAY CAST IRONS AND COMPACTED GRAPHITE IRON B Tasdelen1, M Escursell2, G Grenmyr 3, L Nyborg 4 1, 3, 4 Department of Materials and Manufacturing Technology, Chalmers University of Technology, SE 41296 Gothenburg, Sweden 2 Machining Development Center, SKF, Gothenburg, Sweden [email protected] se

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Compacted Graphite Iron an overview ScienceDirect Topics

Compacted Graphite Iron Compacted graphite iron is an emerging cylinder block material having a higher specific strength than conventional gray iron, and with improved fatigue strength and acoustic properties relative to aluminum, thereby allowing cast iron blocks of reduced thickness and mass to be constructed Tholl 1996

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Damage evolution in compacted graphite iron during

Damage evolution in compacted graphite iron during thermomechanical fatigue testing Viktor bNormana*, Peter Skoglund and Johan Moverarec a Division of Engineering Materials, Department of Management and Engineering, Linköping University, SE 58183 Linköping, Sweden b Scania CV AB, Materials Technology, SE 15187 Södertälje, Sweden c Division of Engineering Materials, Department

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Effect of holding time, thickness and heat treatment on

Compacted graphite iron is usually used as pearlitic matrix for the diesel engine block and ferritic matrix for manifold exhaust The chemical composition, section thickness and heat treatment are the main factors controlling the microstructure and consequently the mechanical properties 3 5 1 Effect of heat treatment on pearlite to ferrite

Get Price

Challenges In Cutting CGI : Modern Machine Shop

Jan 01, 2008 Compacted graphite iron is increasingly used for diesel and racing engine components The choice of cutting tool can dictate how effective shops are able to machine this challenging material Because CGI has twice the tensile strength of grey cast iron, new CGI engine designs can have thinner wall thicknesses reducing engine weight

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Compacted graphite iron Saguenay foundry

Saguenay Foundry produces Compacted Graphite Iron castings from 200 lb to 12,000 lb 100 kg to 5500 kg CGI is also known as vermicular iron For more information on CGIs properties, please go to our Technical Center Custom CGI We pour CGI parts for a variety of applications requiring high thermal shock resistance

Get Price

Welding consumable research for compacted graphite cast iron

Abstract Research has developed a new consumable material for gas welding of compacted graphite CG cast iron The effects of C, Si, RE rare earth, Ti, Al and weld cooling rate on graphite and matrix structure of compacted graphite cast iron welds have been studied

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Compacted synonyms, compacted antonyms FreeThesaurus com

Synonyms for compacted in Free Thesaurus Antonyms for compacted 119 synonyms for compact: closely packed, firm, solid, thick, dense, compressed, condensed

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Compacted Graphite Iron: Part One :: Total Materia Article

Compacted graphite iron CGI along with lamellar graphite iron and spheroidal graphite iron define the three main classes of cast iron according to morphology CGI displays very useful properties for a range of engineering applications with the tensile strength and elastic modulus being considerably higher than grey cast irons 75 and 35

Get Price

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