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  • 1
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 15-17 (Feb. 2006), p. 321-326 
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: This investigation considers the development of microchannel reactors with catalystcoatedwalls for fuel-processing applications. In particular, the focus is to study the possibility ofdirect etching of microchannels into aluminum and alumina using a solid-state UV laser.Microchannels of a scale between 10μm-200μm across and 10μm-100μm have been ablated intoaluminum and alumina bases. It was found that single scans resulted in narrow channels (20μm-30μm in width) with shapes described by a Gaussian-like distribution. Multiple scans allowedfabrication of channels with a larger width, but of a similar depth. The surface quality wasobserved to be quite uneven, with roughness on the order of 1μm-2μm
    Type of Medium: Electronic Resource
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