At this year’s plastics trade show in Düsseldorf (October 27 to November 3, 2010) the Fraunhofer ILT is presenting the TransTWIST laser-based plastics welding machine at the Fraunhofer-Gesellschaft stand (E91) in Hall 3. In live demonstrations the researchers will show how two transparent joining partners made of plastic can be lap-welded using laser radiation.
In conventional laser welding a suitable radiation absorber is normally applied to the underlying joining partner. This is time consuming and costly. Furthermore, the appearance of the component or weld is affected by the color of the radiation absorber.Nearly invisible welds
TransTWIST shows a great potential for use bio-biomedical field, especially microfluidics, packaging industry and in design applications.Contacts at the Fraunhofer ILT
Axel Bauer | Fraunhofer ILT
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A team of scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg investigated optically-induced superconductivity in the alkali-doped fulleride K3C60under high external pressures. This study allowed, on one hand, to uniquely assess the nature of the transient state as a superconducting phase. In addition, it unveiled the possibility to induce superconductivity in K3C60 at temperatures far above the -170 degrees Celsius hypothesized previously, and rather all the way to room temperature. The paper by Cantaluppi et al has been published in Nature Physics.
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