Selective Laser Melting

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  1. Selective laser melting method can 3D-print medical implants

    Scientists at Laser Zentrum Hannover e.V. (LZH) in Germany have established a highly automated selective laser melting process to produce or coat implants made of platinum, nickel-titanium (NiTi), or stainless steel. Whether for individual micro-implants or for micro-implants with medicine depots, additive manufacturing is ideally suited for manufacturing such components. Related: Femtosecond laser processing of metal and plastics in the medical device industry For this, scientists in the Surface Technology Group at LZH used a special form of 3D printing called selective laser micro-melting ( SLµM ), which enabled them to coat electrodes for pacemakers with platinum, and produce 3D lattice structures made of NiTi and stent prototypes made of stainless steel. Three-dimensional structures made of the form memory alloy nickel-titanium using laser additive manufacturing. ( Photo: LZH ) One way to lengthen the life of pacemakers is to intelligently adapt the form and surface of the electrodes. Platinum has excellent electrical conductivity characteristics, and it is bioinert. However, the metal has casting limitations, and it is hard to be worked on in the micro-range using conventional methods. In the framework of the project, the scientists developed an SLµM process for a platinum-iridium-alloy, and successfully coated implants. Bifurcal micro-stents made of stainless steel using additive manufacturing processes. ( Photo: LZH ) The shape memory alloy NiTi is already widely used in medical technology. Micro-implants made of NiTi offer new possibilities for making tailor-made stents, or bone replacements for patients. The LZH scientists have been able to manufacture highly complex, 3D component structures made of NiTi. A resolution of up to 90µm has already been reached for components, retaining all of the characteristics of the shape memory alloy. An electrode head coated with platinum-iridium using laser melting technology. ( Photo: LZH ) Using 316 L stainless steel for SLµM processes has already been established. Within the project, stent structures with a closed cell design have been developed and produced. Their mechanical characteristics are similar to those of conventional stents. The project was carried out together with the Institute for Biomedical Technology of the University of Rostock in Germany as a subproject in the cooperative project REMEDIS, which was supported by the German Federal Ministry for Education and Research (BMBF). For more information, please visit www.lzh.de .

    Online Articles

    Online Articles

    Thu, 23 Jul 2015

  2. Selective laser melting method works with magnesium alloys

    A newly developed processing technique now makes it possible to work with difficult materials using selective laser melting (SLM).

    Online Articles

    Online Articles

    Fri, 11 Mar 2016

  3. German selective laser melting specialist mulls IPO

    3D printer maker SLM Solutions has reportedly brought on two banks to prepare a potential stock market listing.

    Online Articles

    Online Articles

    Wed, 19 Mar 2014

  4. Laser additive manufacturing gains new ground

    Leuven, Belgium – LayerWise is a company that focuses on selective laser melting (SLM), a powerful technology that shapes any desired metal part geometry by melting metal powder layer by layer. Using this digital approach, the optimum shape of complex circulation parts can be produced in a single ...

    Online Articles

    Online Articles

    Tue, 27 Jul 2010

  1. Making serial parts out of metal powder

    Online Articles

    Online Articles

    Fri, 28 May 2010

  2. Laser sintering blazes new trails in tool manufacturing

    A short video from German tool company Toolcraft shows its selective laser melting process in action.

    Online Articles

    Online Articles

    Wed, 7 Aug 2013

  3. French cycling team debuts Jet One 3D-printed handlebars at Rio Olympics

    What at the 2016 Rio Olympics was 3D printed? Unsurprisingly, we have not been disappointed and have learned about a number of ways 3D printing is playing a part in the summer games.

    Online Articles

    Online Articles

    Wed, 17 Aug 2016

  4. Sweet success

    Manchester, NH -- Freed's, a division of Maplehurst Bakeries (Brownsburg, IN), is one of the largest cupcake makers in the U.S.

    Magazine Articles

    Magazine Articles

    Tue, 1 Jan 2013

  5. 3D printers: Judgment day

    Interest in additive manufacturing (3D printing) went viral this year, and with that interest came more confusion on exactly what this technology can do and where it stands in its adoption cycle.

    Magazine Articles

    Magazine Articles

    Fri, 1 Mar 2013

  6. Boosting additive manufacturing presence, Siemens acquires majority stake in Materials Solutions

    Siemens has acquired a majority stake (85%) in additive manufacturing processing and production company Materials Solutions.

    Online Articles

    Online Articles

    Mon, 8 Aug 2016

  7. LZH researcher receives award for additive manufacturing technique with magnesium

    LZH researcher Dr. Matthias Gieseke has won an award for his work on additive manufacturing of magnesium components.

    Online Articles

    Online Articles

    Wed, 1 Jun 2016

  8. Rocket engine's core main injector built using additive manufacturing completes tests

    Tests of the RL10 upper-stage rocket engine, which includes a core main injector built using additive manufacturing, have completed.

    Online Articles

    Online Articles

    Wed, 16 Mar 2016

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