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Surface characterization of SiC whisker/2124 aluminium and Al2O3 composites machined by abrasive water jet

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Abstract

The machinability of two classes of high-temperature composites (SiC whisker/2124 aluminium and SiC whisker/Al2O3) with an abrasive waterjet (AWJ) was investigated. The as-machined surfaces of the composites were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and profilometry to determine the surface finish. Microhardness measurements were also performed on the as-machined metal matrix composites. AWJ appears to be a quite promising machining method due to its fast speed and economical operation. It gives relatively smooth surfaces coupled with minimum subsurface microstructural damage.

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Authors and Affiliations

  1. Flow Research Company, Advanced Materials Divison, 21414 68th Avenue South, 98032, Kent, Washington, USA

    E. Savrun

  2. Department of Mechanical Engineering, University of Washington, FU-10, 98195, Seattle, Washington, USA

    M. Taya

Authors
  1. E. Savrun
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  2. M. Taya
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Savrun, E., Taya, M. Surface characterization of SiC whisker/2124 aluminium and Al2O3 composites machined by abrasive water jet. J Mater Sci 23, 1453–1458 (1988). https://doi.org/10.1007/BF01154616

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  • DOI: https://doi.org/10.1007/BF01154616

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