Samples of carbon nanotubes and polymeric phenol-formaldehyde materials hardened through baking at high temperature in the absence of oxygen: (a) a carbon nanotube forest; (b) a carbon nanotube/polymer nanocomposite; (c) a charcoal-like carbon nanotube/glassy carbon nanocomposite after baking at high temperature; (d) pure polymer (phenol-formaldehyde); (e) a charcoal-like glassy carbon block from baking a polymer at high temperature.
Advanced Materials

Glassy Carbon manufactured now with Less Heat

22.09.2017 tribonet
Carbon nanotubes lower the transformation temperature of glassy carbon, possibly aiding manufacturers, MIT researchers report. Last winter, MIT researchers discovered that a phenol-formaldehyde polymer transformed into a glassy carbon material in a process similar to baking […]
oxides coins water
Advanced Materials

Rare earth oxides make water-repellent surfaces that last

11.09.2017 tribonet
Ceramic forms of hydrophobic materials could be far more durable than existing coatings or surface treatments. Water-shedding surfaces that are robust in harsh environments could have broad applications in many industries including energy, water, transportation, […]
electrostatic charge
General Topics

Triboelectric charges on HDPE are strain induced

08.09.2017 tribonet
New research indicates how static electricity puts the charge in material, offering answer to centuries-old question For centuries, scientists have tried to understand triboelectric charging, commonly known as static electricity. Triboelectric charging causes toner from […]