(安徽工業(yè)大學 機械工程學院，馬鞍山 243002)
摘 要: 從材料熱力學的角度，推導純鎂及鎂合金熔液氫含量的數(shù)學模型，并結合已有的鎂液中氫的溶解度的測試數(shù)據(jù)，得出鎂熔液中氫的溶解度與鎂液溫度、氫分壓之間的對數(shù)關系。該模型所計算的氫熱焓值與Ovrelid理論值相吻合；將該數(shù)學模型計算值與已知的實測值相比較，該模型的合理性得到驗證。
關鍵字: 鎂；鎂合金；鎂合金熔液；氫含量；數(shù)學模型
（School of Mechanical Engineering, Anhui University of Technology, Ma’anshan 243002, China）
Abstract:Based on thermodynamics and acknowledged data, models of hydrogen content in magnesium melt were deduced out. The logarithmic correlation of hydrogen solubility with temperature of magnesium melt and hydrogen partial pressure was obtained. The enthalpy of hydrogen gas calculated by the model is consistent with Ovrelid’ the oretical value. Therefore, the soundness of the models is verified.
Key words: magnesium; magnesium alloy; magnesium alloy melt; hydrogen content; mathematic model
