Paper Title:
Machining Induced Defects and the Influence Factors when Diamond Turning of SiCp/Al Composites
  Abstract

Ultra-precision turning tests on SiCp/2024Al and SiCp/ZL101A composites were carried out to investigate the surface quality using single point diamond tools (SPDT) and polycrystalline diamond (PCD) cutters. Examined by SEM, the machined surfaces took on many defects such as pits, voids, microcracks, grooves, protuberances, matrix tearing and so on. The results showed that surface quality debased with increasing feed rate or using of high volume fraction materials. Dry cutting would deteriorate the surface finish. It was also pointed out that SPDT outperformed PCD tools although they produced the same surface roughness Ra. Microhardness measuring showed that the deformation layer was extended to 8–16μm below the machined surface.

  Info
Periodical
Edited by
Kai Cheng, Yingxue Yao and Liang Zhou
Pages
626-630
DOI
10.4028/www.scientific.net/AMM.10-12.626
Citation
Y.F. Ge, J. H. Xu, H. Yang, S.B. Luo, Y. C. Fu, "Machining Induced Defects and the Influence Factors when Diamond Turning of SiCp/Al Composites", Applied Mechanics and Materials, Vols. 10-12, pp. 626-630, 2008
Online since
December 2007
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$32.00
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