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    • Successful manufacturing requires mastery of a critical body of knowledge that includes essential concepts in applied mathematics, measurement and inspection, safety, and quality/lean.

    • Materials are very important to manufacturing and determine how well your application performs. Today, options include metals, ceramics, plastics, and composites, to name a few.

    • Machining best practices are specific to either the task or the device. For grinding, metal-cutting, or work holding, many tools can be used to complete the task.

    • Every workplace requires an understanding of the essential safety practices and topics that help employees to avoid potential hazards.

    • EXPLORE CLASSES
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    • Band Saws
    • Band Saw Blades
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2040 – 10 – Summary

A metal’s physical properties, like melting point, conductivity, and corrosion resistance, all define how it will be used in the manufacturing industry. Other essential factors, like its mass and strength-to-weight ratio also determine the types of projects to which a metal will be suited.

When subjected to extreme heat, metals will melt and expand. Different metals have different melting and freezing points. Metal alloys have a range at which they melt, due to their mixed composition. Pure metals, on the other hand, melt and freeze at a particular temperature.

The energy needed to heat a material by one degree is called the specific heat. As a metal continues to grow warmer, it will transfer heat throughout its mass. The rate at which that heat moves is called thermal conductivity. As metal conducts heat, it expands. Thermal expansion is the change in volume of a material as its temperature rises.

Just as heat travels through metal, so can electricity. Conductive materials have particles that become agitated when charged, while resistor materials are slower to conduct electricity.

Corrosion resistance is another key physical property. Metals that resist corrosion are likely to last longer and perform better over time.

In the manufacturing business, it’s essential to know the properties of the materials on hand. That way, you can make an informed decision about the most cost-effective materials for your project.

Class: 2040 - Physical Properties of Metals - 10 Lessons
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