Coefficient of friction of PTFE is used as a typical friction material of friction-type seismic isolation devices. Coefficient of friction of PTFE is decreased with increasing the contact stress, and increased with increasing the horizontal movement speed. To understand the caracteristics of new friction material, using EDS, the seismic isolation device, applying new friction material, studying the changes in the friction coefficient with various shear characteristics.

• 이광훈(유니슨이테크 기술연구소 연구원) | Lee, Kwnag Hun
• 장광석(유니슨이테크 기술연구소 선임연구원) | Jang, Kwang Seok
• 심기철(유니슨이테크 기술연구소 선임연) | Shim, Ki Chul
• 박동병(유니슨이테크 기술연구소 전임연구원) | Park, Dong Byung