Titanium is a metallic element, gray, with an atomic number of 22 and a relative atomic mass of 47.867. It can be burned in nitrogen and has a high melting point. Titanium and titanium-based alloys are new structural materials used primarily in the aerospace and marine industries.
Many of the traditional manufacturing methods for titanium applications are die casting, forging and machining, which are laborious and costly. Today, laser sintering production methods using the EOSINT M-270 system are used in many titanium applications from EOS () in Keelin, Germany. According to EOS's electronic manufacturing philosophy, titanium is often used for components that produce relatively small but valuable values. The laser sintering method can easily produce lightweight structures such as hollows, so that in the extremely demanding applications such as aerospace components, the use of laser sintering methods can greatly improve the performance and value of titanium components.
Titanium alloy has excellent mechanical properties and corrosion resistance, small specific gravity and good biocompatibility. To date, laser titanium sintering has been used primarily in medical and dental equipment, aerospace and automotive sports, and fashion. The most commonly used material is EOS titanium Ti64, a fine powder Ti6Al4V alloy. Some medical cases use powders with low interstitial element content, or industrial pure titanium powder.
Leader Italia () is a leading manufacturer of medical equipment using laser-sintered titanium, which has developed a new range of dental implant screws called TiXos. TiXos has a special design that enables the production of titanium materials in the EOSINT M-270 system. TiXos also contains some unique advantages (see Figure 1). Typically, such screws are machined from solid metal. In laser sintering, these screws are formed by fusing together metal powders, so that no raw materials are wasted. By controlling the laser exposure to create a hybrid structure comprising a fully dense body and a porous surface morphology, this eliminates the need for a coating and enhances biological activity. Laser sintering also has extremely high production efficiency.
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