Fire damage, as a research topic, refers to the physical, chemical, and structural alterations in materials, ecosystems, or built environments resulting from exposure to high temperatures and combustion processes. It encompasses thermal degradation of polymers and composites, charring and strength loss in wood, phase transformations and spalling in concrete, microstructural changes and residual stress development in metals, and alterations in soil and vegetation properties in ecological systems. Studies of fire damage quantify heat flux, temperature-time histories, material property evolution, and post-fire residual capacity, often using experimental fire testing, thermogravimetric and spectroscopic analyses, and computational fire and heat-transfer modeling to assess performance, safety, and resilience.
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