Yb:YAG Ceramic Laser Produced by Solid-State Reactive Sintering

Scaffolds of PDLLA/Bioglass 58S Produced via Selective Laser Sintering

Scaffolds of PDLLA were produced to be implemented in maxilofacial surgeries inducing bone repair and regeneration. To prepare these scaffolds, bioglass (BG58S) was synthesized by sol-gel method, in order to be applied as osteoconductive dispersed particles in PDLLA matrix. Once presenting greater facility on parts fabrication, this polymeric matrix enables complex geometries production besides...

Reactive Spark Plasma Sintering and Mechanical Properties of Zirconium Diboride–Titanium Diboride Ultrahigh Temperature Ceramic Solid Solutions

Ultrahigh temperature ceramics (UHTCs) such as diborides of zirconium, hafnium tantalum and their composites are considered to be the candidate materials for thermal protection systems of hypersonic vehicles due to their exceptional combination of physical, chemical and mechanical properties. A composite of ZrB2-TiB2 is expected to have better properties. In this study, an attempt has been made...

Bond and fracture strength of metal-ceramic restorations formed by selective laser sintering

PURPOSE The purpose of this study was to compare the fracture strength of the metal and the bond strength in metal-ceramic restorations produced by selective laser sintering (SLS) and by conventional casting (CAST). MATERIALS AND METHODS Non-precious alloy (StarLoy C, DeguDent, Hanau, Germany) was used in CAST group and metal powder (SP2, EOS GmbH, Munich, Germany) in SLS group. Metal specime...

Oxide Ceramic Functional Thin Layer Processing by Thermal and Laser Sintering of Green Layers

Energetic Plasmas Produced by Laser Light on Solid Targets

Using two parallel simultaneously operating giant pulse lasers light intensities of 3 x 1012 W/cm2 were achieved in the focus on a LiD target. Ion energies in the expanding plasma stream of 4.5 keV were observed. Investigations on thin LiH targets showed, that the light pulse interacts only with a target layer several 10—4 cm in thickness. The magnitude of the ion flux is estimated and compared...