Abstract
The cooling curve representing a crystalline material that cools from a melt is shown in Figure 5-1. As the material starts to cool, it achieves a point of constant temperature for a period of time. During this “isotherm,” both a liquid and a solid phase are present. At equilibrium, the material cannot be cooled below this constant temperature until all of the liquid has solidified. Conversely, it cannot be heated above this temperature until all of the solid has melted. A good analogy to this curve is ice and water. When in equilibrium, ice water is always at a constant temperature (0°C). The mixture will not get warmer until the ice is gone or cooler until the liquid has solidified.
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© 1991 Van Nostrand Reinhold
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Phillips, G.C. (1991). Forming From Melts. In: A Concise Introduction to Ceramics. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-6973-8_5
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DOI: https://doi.org/10.1007/978-94-011-6973-8_5
Publisher Name: Springer, Dordrecht
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