Some basic knowledge of ceramic crucibles
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27 Sep 2022 09:22:57 am.
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A ceramic crucible can be made from a variety of starting materials including silica, zircon, spinel, alumina, and magnesite. The desired chemical composition of the ceramic crucible depends on the application, since each composition reacts differently to temperature and pressure. Alumina crucibles are particularly common as they are relatively inexpensive and withstand a wide variety of temperature environments.
Ceramic crucibles for sale have been used for working with metals since around 5000 BC. Used in the smelting of copper, tin, and iron through history, the design of crucibles has changed and evolved as metallurgy techniques have developed. The fact that the design and use of crucibles has changed through time makes them historically interesting and quite useful to archeologists.
Ceramic Crucibles
Ceramic crucibles are made from kiln-fired clay and formed at high temperatures to become stable. Some modern ceramic crucibles are also reinforced with graphite to ensure their strength and quality. Ceramic crucibles are ideal for smelting precious metals such as gold, silver, copper, and more. Depending on the size and strength, ceramic crucibles are also cost-effective for beginner blacksmiths.
With a full and detailed understanding of all aspects of your metal melting and/or holding operations, you and your crucible supplier will be well positioned to select a crucible product that meets your specific operational requirements and provides a consistently longer service life.
Source:https://www.jewelerstoolsmall.com/article-139-Some-basic-knowledge-of-ceramic-crucibles.html
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