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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 18 — Jun. 20, 2012
  • pp: 4151–4156

Surface stresses of mixed-mode grinding materials on borosilicate glass

James B. Johnson, Robert E. Parks, and James H. Burge  »View Author Affiliations


Applied Optics, Vol. 51, Issue 18, pp. 4151-4156 (2012)
http://dx.doi.org/10.1364/AO.51.004151


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Abstract

Mixed-mode grinding occurs when a bound abrasive works in both brittle and ductile regimes simultaneously. Substrates ground in a mixed-mode behavior show reduced curvature induced by compressive surface forces than loose abrasives as demonstrated by observing the Twyman effect. This reduction in bending corresponds to reduced subsurface damage. This is verified by controlled acid etching, which shows the exponential decay of the compressive force per unit length. Loose abrasive particles, added to maintain pad wear due to low pressures, have no effect on the measured stresses. If loose abrasive wear ceases, the pads glaze. Glazing creates near-specular surfaces while reducing measurable stress. These effects for borosilicate glass and Trizact grinding pads are explored and quantified.

© 2012 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(160.4760) Materials : Optical properties
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4610) Optical design and fabrication : Optical fabrication

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: February 22, 2012
Manuscript Accepted: March 26, 2012
Published: June 15, 2012

Citation
James B. Johnson, Robert E. Parks, and James H. Burge, "Surface stresses of mixed-mode grinding materials on borosilicate glass," Appl. Opt. 51, 4151-4156 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-18-4151

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