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Incongruent melting - Wikipedia, the free encyclopedia
Incongruent melting occurs when a substance does not melt uniformly and decomposes into another substance. For example, potassium feldspar (KAlSi3O8) decomposes to leucite (KAlSi2O6) when it melts.
en.wikipedia.org/wiki/Incongruent_melting |
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Britannica online encyclopedia article on incongruent melting, liquefaction of a solid accompanied by decomposition or by reaction with the melt to produce another solid and a liquid that differs in composition from the original solid. ... For a definition of " incongruent melting", visit Merriam-Webster.
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The property exhibited when a solid does not simply melt, but reacts and decomposed to form another solid plus liquid. The melting of clinoenstatite is the classic example, although the following is also a good example:
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IV. Fractional melting (not covered in class, for your reference only) ... Congruent melting ... - in incongruent melting diagram...
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) which decomposes on melting to leucite (KAlSi ... At d, we have reached the melting point of enstatite. We are on the boundaries of fields containing both forsterite and enstatite. Therefore we must have both solid phases present, and enstatite begins to form. But here's the twist: when enstatite melts, some of it goes...
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The incongruent GaN melting in the part of the samples at 2300 °C and in all samples at 2400 °C was fixed. Metallic gallium and gallium nitride as well as ...
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Check our FAQs ... Observation of Incongruent Melting in Cu ... , previously reported as melting congruently at 1025 °C, melts incongruently to CuHf...
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NIST Ceramics Division Glossary of Terms for Phase Equilibria Diagrams ... Incongruent Melting Point ... Incongruent Melting Point; At a specified pressure the temperature at which one solid phase transforms into another solid phase plus a liquid phase both of different chemical compositions than the original substance.
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The growth and characterization of ultrathin (≈80 monolayers) films of pure, crystalline sulfuric acid and of the liquid H2SO4 + H2O azeotrope in ultrahigh vacuum (UHV) are described. The films, which were deposited on a Pt(111) substrate, were synthesized in vacuo via the reaction of co-condensed mixtures of H2O and SO3.
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Hi-Res PDF[779 KB] ... Publication Date: November 1930 ... Note: In lieu of an abstract, this is the article's first page.
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