vapor pressure of alloys is lower than that of pure metals

vapor pressure of alloys is lower than that of pure metals.

It should be noted that some elements with higher vapor pressure in alloys, such as Mn, Cu, Al, etc. are usually dissolved in solid solutions or exist in the form of various compounds. When heated in a vacuum, they do not evaporate in the same way, but their tendency to volatilize is the same, and generally speaking, their vapor pressure is lower than that of pure metals.

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