What happens when metals are heat-treated?

The principle of heat treatment of metals is based on the principle of metallization, focusing on the study of the basic principle of solid phase transition of metals and alloys and the relationship between the structure and properties of heat treatment. If the business license of this machinery company does not have the business license of metal product heat treatment and surface treatment, it is not allowed to do metal product heat treatment and surface treatment without authorization. Metal product heat treatment and surface treatment will cause pollution to the surrounding environment, there should be environmental protection equipment, if the surrounding environment causes pollution, you can also report to the environmental protection department.

What happens when metals are heat-treated?

Previously, blacksmiths used heat to make metals easier to work with. Once the metal takes the desired shape, the heated metal cools rapidly. Rapid cooling makes the metal harder and less brittle. Modern metalworking has become more complex, allowing different techniques to be used for different purposes.

The effect of heat on metal

Heating a metal causes it to expand in addition to affecting its structure, resistance, and magnetism. Thermal expansion is self-evident. Metals expand at certain temperatures, depending on the metal itself. The actual structure of metals also varies with heat. Known as a coaxial phase transition, heat usually makes metals softer, weaker and more malleable. Ductility is the ability to stretch a metal into a wire or similar material.

Heat also affects the resistance of the metal. The hotter the metal, the more electrons disperse, making the metal more resistant to electric currents. Metals lose their magnetism when heated to a certain temperature. Depending on the metal, raise the temperature between 626 degrees Fahrenheit and 2012, and the magnetism disappears. The temperature at which this happens in a particular metal is called its Curie temperature.

Heat treatment is the process of heating and cooling a metal to change its microstructure and produce the physical and mechanical properties that make the metal more desirable. The temperature at which the metal is heated and the rate at which it cools after the heat treatment significantly alter the properties of the metal.

The common reasons for heat treatment of metals are to improve their strength, hardness, toughness, ductility, and corrosion resistance.

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