Electrophysical Characteristics of Y Based Superconducting Composite

Area of Science:

• Materials Science
• Superconductivity
• Ceramics Engineering

Background:

• YBCO (Yttrium Barium Copper Oxide) superconductor tapes are crucial for advanced applications.
• Fabrication challenges include achieving high density, proper particle orientation, and uniform surfaces.
• Existing methods often suffer from cracking and porosity during drying and heat treatment.

Purpose of the Study:

• To develop an optimized electrophoretic deposition (EPD) process for YBCO superconductor thick film tapes.
• To enhance particle density and orientation along the C-axis of silver substrates.
• To mitigate cracking and porosity issues common in YBCO tape fabrication.

Main Methods:

• Utilized electrophoretic deposition (EPD) technique with superconducting YBCO powder.
• Applied AC electric current to excite and align YBCO particles.
• Deposited particles onto silver (Ag) substrates in a tape form.

Main Results:

• Achieved improved density and orientation of YBCO powder particles.
• Demonstrated a method to obtain uniform surfaces, addressing cracking and porosity.
• Successfully applied EPD for fabricating YBCO superconductor thick film tapes.

Conclusions:

• Electrophoretic deposition is an effective technique for fabricating high-quality YBCO superconductor tapes.
• Optimization of EPD parameters is key to improving material density and particle alignment.
• The developed process offers a viable solution for overcoming common defects in YBCO tape manufacturing.