Polycrystalline SnO2 thin films were deposited on sapphire substrates at 450℃ under different ambient oxygen pressures by pulsed laser deposition technique. Th
Equal-channel angular pressing (ECAP) process was applied to a 12 mm × 12 mm × 80 mum billet of pure copper(99.98 wt.%) at room temperature. The shear deforma