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在定向凝固条件下研究了二元Ｍｇ－Ｌｉ合金共晶组织．结果表明二元Ｍｇ－Ｌｉ合金共晶呈层片结构．当固液界面前沿温度梯度为１２０ｋ／ｃｍ，晶体生长速度为４．４μｍ时，共晶相间距为２μｍ．
The binary Mg-Li alloy eutectic structure was investigated under directional solidification conditions. The results show that the binary Mg-Li alloy eutectic assumes a lamellar structure. When the frontal temperature gradient of solid-liquid interface is 120k / cm and the crystal growth rate is 4.4μm, the eutectic phase spacing is 2μm.