Introduction to Metallurgy
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Core concepts for understanding alloys, from basic definitions to reading industry designation systems used by engineers worldwide.
What Are Alloys? Understanding Metal Mixtures
Most metals used in engineering are not pure elements but mixtures called alloys. This guide explains what alloys are, why we make them, and how small additions of other elements can dramatically change a metal's behavior.
How Alloys Are Made: Melting, Mixing, and Solidification
The route from raw materials to finished alloy shapes involves carefully controlled melting, composition adjustment, and solidification. Each step influences the final microstructure and properties.
Common Alloy Families: Steel, Aluminum, Copper, and Titanium
A working knowledge of the four most widely used alloy families—steel, aluminum, copper, and titanium—covers the vast majority of engineering applications. This guide maps the landscape of each family.
Reading Alloy Designations: AISI, AA, UNS, and More
Alloy designation systems encode composition, processing, and temper into compact alphanumeric codes. Understanding these systems is essential for specifying, ordering, and substituting materials correctly.