quaternary alloy


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Related to quaternary alloy: List of alloys

quaternary alloy

[′kwät·ən‚er·ē ′al‚ȯi]
(metallurgy)
An alloy containing four principal elements apart from accidental impurities.
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The binary and ternary tin, silver and copper alloys produced faster wetting times and higher wetting forces than the quaternary alloys and the control tin/lead alloy.
The primary innovation enabling this new path to high efficiency is the identification of InAlAsSb quaternary alloys as a high band gap material layer that can be grown lattice-matched to InP.