Fusão
Fusion is the name given to the change on state of matter from solid to liquid with addiction of heat. The process of fusion of metals requires a great amount of energy in form of heat, each material requires a diferent amount of energy to change it state of matter, in that case, call it latent heat of melting of material. Such magnitude can be measured in Calories per gram or Joule per kilogram in SI. In Comparison to the energy of 80 calories to evaporate 1 gram of water, the aluminium needs 95 calories to melt 1 gram.
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