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Thermal properties of ceramic mug.
In the case of the coffee cup s material ceramic we look at the mechanical advantages it holds and why it s used so often in using this material as a source for coffee cups.
People first started making ceramics thousands of years ago pottery glass and brick are among the oldest human invented materials and we re still designing brand new ceramic materials today things like catalytic converters for today s cars and high temperature superconductors for tomorrow s computers.
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Thermal shock resistance is an ability of material to withstand sharp changes in temperature.
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Major thermal properties of ceramics are.
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If a ceramic material is rapidly cooled its surface reaches the temperature of cooling environment and tends to contract thermal contraction.
From this we know that ceramics conduct heat but withstand high temperature.
The cup s are all made of double walled ceramic features which holds the most advantages towards it s purpose.
The thermal conductivity of a ceramic mug is approximately 3 8 w mk while the thermal conductivity of the glass mug is approximately 1 1 w mk.
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Thermal expansion is due to conduction of heat.
Similar to a vacuum flask a travel mug is usually well insulated and completely enclosed to prevent spillage 13 or leaking but will generally have an opening in the cover through which the contents can be consumed.
Travel mugs introduced in the 1980s generally employ thermal insulation properties for transporting hot or cold liquids.
On heating ceramics expand this is generally known as thermal expansion.
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To increase chemical resistant in ceramics silica should be added.
Due to the relatively low thermal conductivity of the glass mug the liquid should maintain a warmer temperature for the longest amount of time.