Metals and alloys comment, April 2013

Defects engineer fracture resistance in 2D materials

vacancies can be used to engineer the mechanical toughness and fracture behavior of transition metal dichalcogenides

Novel titanium alloy produces infection-resistant implants

A novel titanium alloy with tantalum and copper can produce surgical implants that kill 87% of the bacteria that cause staph infections.

New platinum-gold alloy most wear-resistant in the world

A novel platinum-gold alloy, 100 times more durable than high-strength steel, is believed to be the most wear-resistant metal in the world.

Graphene oxide nanosheet prevents dendrite growth in lithium-metal batteries

When placed between the two electrodes of a lithium-metal battery, a graphene oxide 'nanosheet' can prevent the formation of lithium dendrites.

Green-solvent-processable organic solar cells