casting process simulation of compacted graphite iron

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Cast Iron

Abstract: High strength compacted graphite iron (CGI) or alloyed cast iron components are substituting previously used non-ferrous castings in automotive power train applications. The mechanical engineering industry has recognized the value in substituting forged or welded structures with stiff and light-weight cast iron castings.

Preventing Flaky Graphite Formation in CGI Castings

Preventing Flaky Graphite Formation in CGI Castings Compacted graphite iron is gaining importance for ferrous foundries, and requiring its own core and mold coating solutions to ensure the finished parts solidify according to the processing requirements.

Cast Iron

Abstract: High strength compacted graphite iron (CGI) or alloyed cast iron components are substituting previously used non-ferrous castings in automotive power train applications. The mechanical engineering industry has recognized the value in substituting forged or welded structures with stiff and light-weight cast iron castings.

Tensile properties and damage mechanisms of compacted

1. Introduction Castings required by the automotive industry with internal combustion engines accounted up to 38.8% from the total casting demands. Owing to the good combination of thermal conductivity and mechanical properties [,,, ], the compacted graphite iron (CGI) has been widely applied in exhaust manifolds, cylinder heads and blocks etc. [,, ].

Magma Casting Simulation Software

2 Pre-conditions for a successful use of casting process simulation for cast iron were not thinkable 10 years ago. Making cast iron, ductile iron, compacted graphite iron or even austempered ductile iron to meet today's specications requires a profound

Implementation of Casting Simulation for Increased Engine

This is especially true for the simulation of the casting process as well as for the following heat treatment. (compacted graphite iron) is nodularity (Fig. 5 ). Figure 5: Porosity and nodularity distribution (section) in a CGI block Affected by the design, some

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% respectively).

Compacted Graphite Iron

R.C. McCune, G.A. Weber, in Encyclopedia of Materials: Science and Technology, 20012.8 Exhaust System Various cast irons have traditionally been used in the construction of exhaust manifolds. Gray iron was used for many years, but was replaced by compacted graphite iron and then by ductile iron as increasing exhaust gas temperatures required increased high-temperature strength.

Thermal Conductivity of Thin Walled Compacted Graphite Iron Castings

Compacted graphite cast iron may have a complex micro - structure, especially in a thin sections. This is due to the fact that the process of obtaining thin-walled castings is not simple, because it is associated with a wide range of cooling rates at the beginning

Modelling and simulation of local mechanical properties

This study focuses on the modelling and simulation of local mechanical properties of compacted graphite iron cast at different section thicknesses and three different levels of silicon, ranging fro 2017 (English) In: International Journal of Cast Metals Research, ISSN 1364-0461, E-ISSN 1743-1336, Vol. 30, no 3, p. 125-132 Article in journal (Refereed) Published

Compacted Graphite Iron Castings

Compacted Graphite Iron was first patented at about the same time as ductile iron in the late 1940's. At the time it was viewed more as a curiosity rather than a production material, but its unique properties has led it to be used in many applications which are unsuitable for grey or ductile iron.

Compacted Graphite Iron, or.not?

Compacted Graphite Iron, or.not? In the July 2010 issue of RET-Monitor, keyword: heads-blocks, I gave some insight into fracture splitting of the main bearing cap. The advantages of a fractured split line were discussed, including the design freedom that can be achieved using fracture splitting.

Iron Casting Processes

Cast Iron materials are cast from the following types of sand casting processes, with the most common listed first: Green sand casting is generally considered the easiest casting system because it is possible to use an existing part as a pattern for a 1-off project.

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% respectively).

ENHANCING RARE EARTH INOCULANT EFFECT IN COMPACTED

Enhancing rare earth inoculant effect in compacted graphite cast irons and influence on () 221 Base Iron (50% High purity pig iron + 50% Cast iron scrap) (1317 C) QL Sampling Carburizing (520g graphite powder) (1463 C) QL and QV- OES sampling (1550 C) QL

Analysis of Solidification Behavior of Compacted Graphite

Analysis of Solidification Behavior of Compacted Graphite (CG) Iron Exhaust manifold and its comparison with Si-Mo Ductile iron 2021-01-0272 With high peak pressure demands and need for improved efficiency of engine, it has become necessary to use lighter and stronger materials for different engine components.

Controlling the production of compacted graphite iron.

1998/12/1Free Online Library: Controlling the production of compacted graphite iron.(includes related article) by Modern Casting; Business Metals, metalworking and machinery Cast iron Production processes Cast-iron Iron casting (Process) Production management Iron

Method of manufacturing compacted graphite cast iron

A method of manufacturing compacted graphite cast iron, in which graphite modifying alloying agents, in the form of a so-called treatment alloy, are added to low-sulphurous molten cast iron. The treatment alloy is added to the molten iron by being sprayed into a jet of the molten iron as the latter is being discharged from a casting furnace.

Iron Castings

Compacted graphite iron is challenging to make with uniformity, Waupaca Foundry closely monitors the production process. This type of iron provides many advantages: The internal porosity solidifies in a manner similar to gray iron with the strength of ductile iron and allows complicated castings.

Casting Process Simulation of Compacted Graphite Iron

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

Understanding Cast Irons

The compacted graphite shape has been known for some time and also has been called quasiflake, aggregated flake, seminodular and vermicular graphite. Its production is similar to that for ductile iron in requiring close metallurgical control and rare earth element additions, but it also requires another alloying element such as titanium to minimize the formation of spheroidal graphite.

Cast Iron

Abstract: High strength compacted graphite iron (CGI) or alloyed cast iron components are substituting previously used non-ferrous castings in automotive power train applications. The mechanical engineering industry has recognized the value in substituting forged or welded structures with stiff and light-weight cast iron castings.

Heat treatment of Compacted Graphite Iron

Graphite Iron (LGI), (b) Compacted Graphite Iron (CGI) and (c) Spheroidal Graphite Iron (SGI) [2]. 1. LGI or lamellar graphite iron: As shown in Figure 1(a), in this class the graphite is shaped like flakes or lamellas. It is also known as grey cast iron. It was the first

Thermal Conductivity of Thin Walled Compacted Graphite Iron Castings

Compacted graphite cast iron may have a complex micro - structure, especially in a thin sections. This is due to the fact that the process of obtaining thin-walled castings is not simple, because it is associated with a wide range of cooling rates at the beginning

Thermal Conductivity of Thin Walled Compacted Graphite Iron Castings

Compacted graphite cast iron may have a complex micro - structure, especially in a thin sections. This is due to the fact that the process of obtaining thin-walled castings is not simple, because it is associated with a wide range of cooling rates at the beginning

Castability, Product Design, and Production of Compacted

The article describes the production of compacted graphite iron castings and the process control that depends on the production volume of components made from compacted graphite iron. It also discusses the process control for high-volume CGI commonly based on thermal analysis.

The Distribution of Carbon in Austenite Studied on a Water

(SG) is also typically found in compacted graphite iron (CGI), where the relative amount of SG and compacted graphite (CG) has strong influence on material properties. Computer simulation of casting processes has become an important tool for product

Iron Castings

Compacted graphite iron is challenging to make with uniformity, Waupaca Foundry closely monitors the production process. This type of iron provides many advantages: The internal porosity solidifies in a manner similar to gray iron with the strength of ductile iron and allows complicated castings.

ACTICOTE CG – for compacted graphite iron castings

iron. 2 The correct precipitation of graphite to form CGI requires a very controlled casting process; however even with the best controlled process, interactions at the core and metal interface can lead to the disruption of the compacted graphite within the surface of

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