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Limitations of an Indentation Model for Grinding Gamma Titanium Aluminide

[+] Author Affiliations
H. Ali Razavi, Steven Danyluk, Thomas R. Kurfess

Georgia Institute of Technology, Atlanta, GA

Paper No. IMECE2002-32038, pp. 61-64; 4 pages
doi:10.1115/IMECE2002-32038
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Dynamic Systems and Control
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 0-7918-3629-0 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

This paper explores the limitations of a previously reported indentation model that correlated the depth of plastic deformation and the normal component of the grinding force. The indentation model for grinding is studied using force control grinding of gamma titanium aluminide (TiAl-γ). Reciprocating surface grinding is carried out for a range of normal force 15–90 N, a cutting depth of 20–40 μm and removal rate of 1–9 mm3 /sec using diamond, cubic boron nitride (CBN) and aluminum oxide (Al2 O3 ) abrasives. The experimental data show that the indentation model for grinding is a valid approximation when the normal component of grinding force exceeds some value that is abrasive dependent.

Copyright © 2002 by ASME

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