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Concept
Soldering
Summary
Soldering (USˈsɒdərɪŋ; UKˈsoʊldərɪŋ) is a process of joining two metal surfaces together using a filler metal called solder. The soldering process involves heating the surfaces to be joined and melting the solder, which is then allowed to cool and solidify, creating a strong and durable joint.
Soldering is commonly used in the electronics industry for the manufacture and repair of printed circuit boards (PCBs) and other electronic components. It is also used in plumbing and metalwork, as well as in the manufacture of jewelry and other decorative items.
The solder used in the process can vary in composition, with different alloys used for different applications. Common solder alloys include tin-lead, tin-silver, and tin-copper, among others. Lead-free solder has also become more widely used in recent years due to health and environmental concerns associated with the use of lead.
In addition to the type of solder used, the temperature and method of heating also play a crucial role in the soldering process. Different types of solder require different temperatures to melt, and heating must be carefully controlled to avoid damaging the materials being joined or creating weak joints.
There are several methods of heating used in soldering, including soldering irons, torches, and hot air guns. Each method has its own advantages and disadvantages, and the choice of method depends on the application and the materials being joined.
Soldering is an important skill for many industries and hobbies, and it requires a combination of technical knowledge and practical experience to achieve good results.
There is evidence that soldering was employed as early as 5,000 years ago in Mesopotamia. Soldering and brazing are thought to have originated very early in the history of metal-working, probably before 4000 BC. Sumerian swords from 3000 BC were assembled using hard soldering.
Soldering was historically used to make jewelry, cookware and cooking tools, assembling stained glass, as well as other uses.
Official source
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