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Reference.org
AlGa
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<p>AlGa (Aluminum-Gallium) is a degenerate <a href="/facts/Alloy/I7w7WQWR">alloy</a> that results from liquid <a href="/facts/Gallium/EucevDs9">gallium</a> infiltrating the crystal structure of <a href="/facts/Aluminium/7wmR8jYE">aluminium</a> metal. The resulting alloy is very weak and brittle, being broken under the most minute pressure. The alloy is also chemically weaker, as the gallium inhibits the aluminum from forming a protective <a href="/facts/Oxide/DXtoVe1C">oxide</a> layer. A video of gallium metal causing intergrain corrosion and breaking of aluminum can be found here. </p>