Titanium crystals. Coloured scanning electron micrograph (SEM) of the surface crystals of a sintered (heated and shaped) titanium bead on a joint implant. The outer surface of the bead becomes almost molten during the sintering process, forming surface crystals when it slowly cools down. Sintered beads act as the bone-contact surface on joint implants, as new bone tissue grows around the beads and into the gaps between each bead to provide a firm fixation for the implant. Magnification: x10,050 when printed 10 centimetres wide.
October 7th, 2018
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