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Article
Über den Nachweis von Methylglyoxal sowie über die Ozonspaltung des Kautschuks berichten
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Article
Thermal effects vs. gain in femtosecond laser written waveguides in neodymium doped fused silica
The influence of thermal effects in gain measurements of fs laser-written waveguides in actively doped glass is reported for the first time. We show that these effects strongly contribute to the signal enhance...
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Article
Open AccessSelective laser melting of hypereutectic Al-Si40-powder using ultra-short laser pulses
We investigate the use of ultra-short laser pulses for the selective melting of Al-Si40-powder to fabricate complex light-weight structures with wall sizes below \(100\,\upmu \text {m}\) 100μm combined with high...
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Article
Open AccessIn-volume structuring of silicon using picosecond laser pulses
We have demonstrated for the first time the permanent local modification of the bulk of silicon by repeated illumination with infrared (1.55 μm) picosecond pulses. Furthermore, we evaluated the characteristics...
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Article
Internal Diameter Coating Processes for Bond Coat (HVOF) and Thermal Barrier Coating (APS) Systems
Current developments in different industrial sectors show an increasing demand of thermally sprayed internal diameter (ID) coatings. The most recent research and development is mainly focused on commercial app...
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Article
Open AccessInternal Diameter Coating by Warm Spraying of Fine WC-12Co Powders (− 10 + 2 µm) with Very Short Spray Distances up to 10 mm
The internal diameter (ID) coating by means of thermal spraying is currently experiencing growing interest in science and industry. In contrast to the well-established plasma- and arc-based spray techniques, t...