Cooling Curve Analysis to Determine Phase Fractions in Solid-State Precipitation Reactions

作者:Gibbs John W*; Kaufman Michael J; Hackenberg Robert E; Mendez Patricio F
来源:Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 2010, 41A(9): 2216-2223.
DOI:10.1007/s11661-010-0318-z

摘要

This work presents a new method of cooling curve analysis to make in situ measurements of the amount of precipitate formed in solid-state phase transformations. The presented technique is based on a first-principles analysis of thermodynamics and heat flow to develop equations that relate cooling curve data to the amount transformed. The precipitation of Ag2Al in a binary Al-Ag alloy was examined both as a practical example of this technique and to obtain metallographic measurements of the amount of precipitation for comparison purposes.

  • 出版日期2010-9