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Solidus (chemistry)

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	Topics Solidus (chemistry) Topic Home In chemistryChemistry Chemistry is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms .... , materials scienceMaterials science Summary Materials science is a multi-disciplinary field involving the properties of matter and its applications to various areas of s... , and physicsPhysics Physics , the most fundamental physical science, is concerned with the underlying principles of the natural world.... , the solidus is a temperature (a line on a phase diagramPhase diagram Summary In physical chemistry and materials science, a phase diagram is a type of graph used to show the equilibrium conditions betw... ) below which a given substance is completely solidSolid Summary A solid object is in the phase of matter characterized by resistance to deformation and changes of volume.... (crystallized). The solidus is applied, among else, to metalMetal In chemistry, a metal is an element that readily forms positive ions and has metallic bonds.... alloyAlloy Overview An alloy is a combination, either in solution or compound, of two or more elements, at least one of which is a metal, and wh... s, ceramicCeramic The word *ceramic* is derived from the Greek word ?e?a???? .... s, and natural rocks and mineralMineral Minerals are natural compounds formed through geological processes.... s. The solidus quantifies the temperature at which meltingMelting In physics, mellting is the process of heating a solid substance to a point where it turns liquid.... of a substance begins, but not necessarily the substance is melted completely, i.e., the solidus is not necessarily a melting pointMelting point The melting point of a crystalline solid is the temperature at which it changes state from solid to liquid.... . For this distinction, the solidus may be contrasted to the liquidusLiquidus In chemistry, materials science, and physics, the liquidus is a line on a phase diagram above which a given substance is sta... . The solidus and liquidus do not align or overlap in all cases. If a gap exists between the solidus and liquidus, then within that gap, the substance consists of solid and liquid phases simultaneously (like a "slurry"). Such is the case, for example, with the olivineOlivine The mineral olivine is a magnesium iron silicate with the formula 2SiO4 in which the ratio of magnesium and iron varies betw... system. In eutectic mixtures the solidus and liquidus temperatures are identical, i.e., the mixture melts completely at one temperature, the eutectic pointEutectic point A eutectic or eutectic mixture is a mixture of two or more phases at a composition that has the lowest melting point, ... . See also External links