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Title: Aluminum Surface Texturing by Means of Laser Interference Metallurgy

The increasing use of lightweight materials, such as aluminum alloys, in auto body structures requires more effective surface cleaning and texturing techniques to improve the quality of the structural components. The present work introduces a novel surface treatment method using laser interferometry produced by two beams of a pulsed Nd:YAG laser operating at 10Hz of frequency to clean aluminum surfaces, and meanwhile creating periodic and rough surface structures. The influences of beam size, laser fluence, wavelength, and pulse number per spot are investigated. High resolution optical profiler images reveal the change of the peak-to-valley height on the laser-treated surface.
 [1] ;  [1] ;  [2] ;  [3] ;  [1] ;  [1]
  1. ORNL
  2. University of Tennessee (UT)
  3. University of Tennessee, Knoxville (UTK)
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OSTI Identifier:
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Resource Relation:
Conference: TMS 2015 144th ANNUAL MEETING & EXHIBITION, Orlando, FL, USA, 20150315, 20150315
Research Org:
Oak Ridge National Laboratory (ORNL)
Sponsoring Org:
EE USDOE - Office of Energy Efficiency and Renewable Energy (EE)
Country of Publication:
United States