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Published on: April 30, 2018
Design and application of differential thermal analysis apparatus in high magnetic fields
Chuanjun Li1, Zhongming Ren, Weili Ren
1School of Materials Science and Engineering, Shanghai University, Shanghai 200072, People's Republic of China.
Abstract:
The differential thermal analysis (DTA) apparatus has been developed for a commercial superconducting magnet. The DTA apparatus could detect the kinetics and thermodynamics of phase transformation with and without a magnetic field. Preliminary results for Al-Al2Cu eutectics are presented. The DTA curves indicate the similarity at several rates regardless of a magnetic field; however, at the same rate, melting transformation seems not to be influenced by a magnetic field, while solidification could be delayed via suppressing nucleation and crystal growth in a magnetic field. It will be believed that the DTA apparatus can be used to investigate the phase transformation of substances of interest in a magnetic field.

