Fusion is melting. It's just a different, more fancy, word for the same thing.
Fusion welding joins materials by melting them together, while non-fusion welding joins materials without melting them. Fusion welding includes processes like MIG, TIG, and arc welding, where a filler material may be added. Non-fusion welding methods, such as friction welding or ultrasonic welding, rely on pressure or friction to create the bond between materials.
fusion
For forming it is Heat of (Fusion) and for melting its Heat of (Vaporization).
Fusion melting is the process of turning a solid into a liquid by adding heat. It differs from other forms of melting because fusion melting specifically refers to the transition from a solid to a liquid state, whereas other forms of melting can refer to any phase transition from a solid to a liquid, gas, or plasma.
melting.. or fusion.
The melting point equation for a substance is typically represented as Hfusion TmSfusion, where Hfusion is the enthalpy of fusion, Tm is the melting point temperature, and Sfusion is the entropy of fusion.
The heat of fusion and melting point are closely related concepts in thermodynamics. The melting point is the specific temperature at which a solid transitions to a liquid, while the heat of fusion is the amount of energy required to change a substance from solid to liquid at that melting point, without changing its temperature. Essentially, the heat of fusion is the energy needed to overcome the intermolecular forces holding the solid together, allowing it to melt at the defined melting point.
Fusion Melting = fusing
This is called the melting point (symbol Tm).The melting point is different for different elements, compounds, and materials. Some solids, wax for example, has a relatively low melting point, while the melting point of some alloys, such as steel, is very high. The melting point of ice is the freezing point of water, subject to the enthalpy of fusion (the heat of fusion).
First, melting is the phase change of solid to liquid and evaporation is the phase change of liquid to gas. Second, Evaporation requires more energy than melting. Evaporation, heat of vapoization constant, is 2260 J/g. Melting, the heat of fusion constant, is 334 J/g.
It is called the enthalpy of fusion of a substance, also known as (latent) heat of fusion.
melting