Cast Iron

Modules

Basic Melt Practices for Cast Iron

Different cast iron melting and pouring procedures are explained along with quality tests (pre- and post-casting), cooling rates, and the three types of melt treatments used in metalcasting facilities. By the end of this module, you will be able to identify four important inspection/testing methods for determining cast iron quality and describe the basic melting practices and related technologies for cast iron. (0.1 CEU)

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Introduction to Cast Iron

This module identifies the industries that use cast iron; the alloying elements used in the production of cast iron; and the mechanical and physical properties of cast iron. By the end of the module, you will be able to describe the critical factors and features of cast iron that make it the casting alloy of choice. (0.1 CEU)

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Cast Iron Defects: Solidification Shrinkage in Gray Cast Iron

The focus of this module is on the factors that affect solidification shrinkage in gray iron. Topics discussed include: the differences between pure iron and graphitic cast irons; the unique characteristics of gray irons; the range of behavior for gray irons over the normal range of carbon equivalent (C.E.); the effects of solidification shrinkage on casting quality and defect appearances; and some steps and considerations to reduce the risk of solidification shrinkage defects. By the end of this module, you will be able to identify two control measures to reducing solidification shrinkage in gray cast irons. (0.1 CEU)

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Elements in Cast Iron

The role of carbon, silicon, and alloying elements in cast iron is explored in this module. This module concludes with two real-world case studies that compare different cast iron grades. By the end of this module, you will be able to analyze how different elements affect the properties of cast iron. (0.1 CEU)

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Introduction to Cast Iron Heat Treatments

This module examines the reasons cast iron metalcasting facilities heat treat their castings. We will also define the various heating and cooling cycles available. By the end of this module, you will be able to explain the use of heat treatment in cast iron and how it affects mechanical properties and cost. (0.1 CEU)

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Introduction to Cast Iron Melting

This module provides a brief overview of the cast iron melting process and the multiple furnace types used in cast iron melting. In addition, general safety practices to perform while working on the shop floor and when visiting a metalcasting facility are defined. By the end of this module, you will be able to briefly explain the cast iron metalcasting process and apply safety procedures in your daily work environment. (0.1 CEU)

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Introduction to Cast Iron Microstructures

This module identifies the differences between unary, binary, and ternary phase diagrams; defines the microstructural components in the cast iron phase diagram and explains how and why microstructures form. By the end of this module, you will be able to identify unary, binary, and ternary phase diagrams. (0.1 CEU)

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Risering Iron Castings

This module identifies the uniqueness of feeding graphitic cast iron alloys. The three ways that risers should be designed for cast iron is explained along with the factors that affect volume change. By the end of this module, you will be able to list unique riser considerations for iron castings. (0.1 CEU)

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Six Families of Cast Iron

This module explores the designation systems and details of each of the six families of cast iron. The Introduction to Cast Iron module is a prerequisite for this module. By the end of the module, you will be able to identify how elements in cast iron are adjusted to produce different grades; explain the classification systems for each of the six cast iron families; and discuss the mechanical and physical properties of each of the six families of cast iron. (0.1 CEU)

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Cast Iron Defects: Solidification Shrinkage in Ductile Cast Iron

In this module, the focus will be on the factors that affect solidification shrinkage in ductile iron. Topics that will be discussed: the differences between pure iron and graphitic cast irons; the unique characteristics of ductile irons; metal and mold factors that affect shrinkage defect formation; effects of solidification shrinkage on casting quality and defect appearance; and some steps and considerations to reduce the risk of solidification shrinkage defects. By the end of this module, you will be able to identify two control measures to reducing solidification shrinkage in ductile irons. (0.1 CEU)

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