2001•Gongneng cailiao yu qijian xuebaoRequires access

Thermodynamic criterion of Spinodal decomposition aging in the (γ＋α) metastable miscibility gap inγ Mn-Cu alloys

Chen Shuchuan

Abstract

Sub-regular solution model is used to calculate the thermodynamic ofγ Mn-Cu alloy. It is revealed that there exists Spinodal decomposition in (γ＋α ) metastable miscibility gap. For the Mn-Cu alloy with composition of 60～ 90 at％ Mn Spinodal decomposition will occurs during aging at 400～ 600oC. The Spinodal decomposition range measured by TN point is more reliable than by hardness.

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Available abstract

Key concepts: Spinodal decomposition, Materials science, Metastability, Spinodal, Miscibility, Thermodynamics, Alloy, Decomposition