Nonferrous Metals and Alloys 220

Materials Training

Class Information

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Class Name:	Nonferrous Metals and Alloys 220
Description:	This class identifies the major categories, properties, and uses of nonferrous metals and their alloys.
Prerequisites:	500120
Difficulty:	Intermediate
Number of Lessons:	14
Language:	English, Spanish

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Centerless Grinder Operator CNC Mill Operator In-Process Inspector

Class Outline
Objectives Nonferrous Metals Today Definition of an Alloy Properties of Aluminum Aluminum Alloys Properties of Copper Copper Alloys Titanium Alloys Magnesium Alloys Nickel and Zinc Alloys Lead and Tin Superalloys Selecting the Best Alloy Summary

Class Objectives

Describe nonferrous metals.
Define alloy.
List the properties of aluminum.
Describe the properties of aluminum alloys.
Describe common uses of copper.
Identify the main ingredients of copper alloys.
Describe the properties of titanium alloys.
Describe the properties of magnesium alloys.
Identify uses for nickel and zinc alloys.
Describe the properties of lead and tin.
Define superalloy.
Describe how to select the best alloy.

Class Vocabulary
alloy		A metal consisting of two or more materials. One of these materials must be a metal.
aluminum		A silvery white metal that is soft, light, and has a high strength-to-weight ratio.
brass		An alloy of copper and zinc. Brass offers a balance of electrical and thermal conductivity and strength.
bronze		An alloy of copper and tin. Bronze offers a balance of strength, wear resistance, and corrosion resistance.
cobalt		A shiny, grayish metal that is brittle and hard, with magnetic properties similar to iron.
coefficient of thermal expansion		The change in density that occurs as a material changes in temperature. A metal typically increases in volume and decreases in density as it is heated.
copper		A reddish metal that is very ductile, thermally and electrically conductive, and corrosive resistant. Copper is often used to make electrical wire.
corrosion resistance		The ability of a metal to withstand the deterioration and chemical breakdown that occurs during surface exposure to a particular environment.
creep strength		The ability of a metal to withstand a constant weight or force at elevated temperatures.
die casting		A metal casting that is made by injecting the molten metal into a cavity under pressure.
ductility		The ability of a metal to be drawn, stretched, or formed without breaking.
electrical conductivity		The ability of a metal to convey an electric current.
ferrous metal		A metal in which iron is the main ingredient.
galvanized steel		Steel that has been plated with zinc to improve corrosion resistance.
heat treatment		The controlled heating and cooling processes used to change the structure of a material and alter its physical and mechanical properties.
hexagonal close-packed		The crystal structure that contains a collection of atoms that are closely packed into the shape of a hexagon. Metals with a hexagonal close-packed crystal structure are very difficult to form.
lead		A bluish white metal that is very soft and ductile and is a poor conductor of electricity. Lead is used as a soldering alloy and as a sound dampener.
magnesium		A grayish white, extremely light metal that is also brittle and has poor wear resistance.
modulus of elasticity		A variable that describes the relationship of stress to strain within the material's elastic region. It describes the stiffness of a material.
nickel		A silvery white metal that is fairly hard and malleable, with properties similar to iron and steel. Nickel is used as a plating metal for steel.
nonferrous metal		A metal that does not contain iron as a main ingredient.
ore		The impure, natural state of a metal.
oxide coating		A protective film that develops on the surface of a metal.
plain carbon steel		The basic type of steel, which contains less than 3% of elements other than iron and carbon.
plating metal		A metal that is added as a protective coating for another metal.
soldering alloy		A metal alloy that is melted at relatively low temperatures and used to join metal parts.
strength-to-weight ratio		The relationship between a material's strength and its weight. Materials that are light but also very strong have a high strength-to-weight ratio.
superalloy		An alloy consisting of three or more elements that is very expensive and designed to perform at elevated temperatures.
thermal conductivity		The ability of a material to conduct heat.
tin		A silvery white metal that is very soft and has poor strength. Tin is used in soldering alloys.
titanium		A silvery white metal that has a high strength-to-weight ratio and is corrosive resistant. Titanium is often used in aerospace applications.
zinc		A bluish white metal that is corrosive resistant and has a relatively low melting point. Zinc is used as a plating metal for steel.