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What is the definition of 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.

Learn more about strength-to-weight ratio in the class "Nonferrous Metals and Alloys 220" below.

Nonferrous Metals and Alloys 220

Materials Department

Class Information

Tooling U classes are offered at the beginner, intermediate, and advanced levels.
The typical class consists of 12 to 25 lessons and typically requires at least two hours of instruction time.

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

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Class Outline

Class Objectives

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

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

Term	Definition
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.

What is the definition of 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.Learn more about strength-to-weight ratio in the class "Nonferrous Metals and Alloys 220" below.

Nonferrous Metals and Alloys 220

Materials Department

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.

Learn more about strength-to-weight ratio in the class "Nonferrous Metals and Alloys 220" below.