4.5 Article

A novel gravity-assisted automatic docking device for studying diffusion in liquid metal melts assisted by a strong static magnetic field

期刊

REVIEW OF SCIENTIFIC INSTRUMENTS
卷 92, 期 9, 页码 -

出版社

AIP Publishing
DOI: 10.1063/5.0063320

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资金

  1. National Key Research and Development Program of China [2018YFF0109404]
  2. National Natural Science Foundation of China [U1732276]
  3. Natural Science Foundation of Shanghai [21ZR1424400]
  4. Users with Excellence Program of Hefei Science Center CAS [2019HSCUE010]
  5. Changjiang Scholars Program of China
  6. China Association for Science and Technology Young Talent Support Project

向作者/读者索取更多资源

A novel gravity-assisted automatic docking (GAAD) method was proposed for studying interdiffusion processes in liquid Al-Cu melts. The combination of SSMF and GAAD effectively eliminated melt convection, allowing for analysis of concentration profiles in a pure diffusion state. The performance of this method was successfully verified through a diffusion experiment in an Al-Cu melt.
A novel gravity-assisted automatic docking (GAAD) method is presented for the study of interdiffusion processes in liquid Al-Cu melts. A novel GAAD device was designed to be suitable in a strong static magnetic field (SSMF) with a bore size of 50 mm. Energy dispersive x-ray spectroscopy was used to quantitatively analyze the concentration profiles of diffusion capillaries. The interdiffusion coefficient (D-AlCu) was measured by applying Fick's second law. The combination of SSMF and GAAD made the original diffusion interface be easily determined and not be oxidized. The melt convection was completely reduced to reach the pure diffusion state. The performance of this GAAD measurement method assisted by a SSMF was successfully verified by a diffusion experiment in an Al-Cu melt. Published under an exclusive license by AIP Publishing.

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