Unfortunately, there is no full article provided in the given text. The text only includes a section heading "2.6.2. Phase Change" and a brief introductory paragraph. Without the complete article, I cannot generate a comprehensive summary. If you are able to provide the full article text, I would be happy to analyze it and create a detailed summary according to the guidelines you have outlined. Please let me know if you can share the complete article, and I will assist further.