Rotary Ultrasonic Machining of Alumina Dental Ceramics: A Preliminary Experimental Study on Surface and Subsurface Damages

Author:

Ahmed Yasser1,Cong W. L.2,Stanco Matthew R.1,Xu Z. G.3,Pei Z. J.2,Treadwell C.4,Zhu Y. L.5,Li Z. C.6

Affiliation:

1. Department of Industrial and Systems Engineering, North Carolina Agricultural & Technical State University, Greensboro, NC 27411

2. Department of Industrial and Manufacturing Systems Engineering, Kansas State University, Manhattan, KS 66506

3. Department of Mechanical Engineering, North Carolina Agricultural & Technical State University, Greensboro, NC 27411

4. Sonic-Mill, 7500 Bluewater Road N.W., Albuquerque, NM 87121

5. New Breed Inc., 4043 Piedmont Parkway, High Point, NC 27265

6. Department of Industrial and Systems Engineering, North Carolina Agricultural & Technical State University, Greensboro, NC 27411 e-mail:

Abstract

This paper presents a preliminary study about effects of ultrasonic vibration on machined surface and subsurface damages in rotary ultrasonic machining (RUM). The surface and subsurface damages are compared for machining of dental ceramics (Al2O3) with and without ultrasonic vibration. The surface chippings are evaluated and the subsurface cracks are observed under scanning electron microscope (SEM).

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Reference14 articles.

1. Engineering Long Term Clinical Success of Advanced Ceramic Prostheses;J. Mater. Sci.,2007

2. An Overview of In Vitro Abrasive Finishing & CAD/CAM of Bioceramics in Restorative Dentistry;Int. J. Machine Tools Manuf.,2006

3. Dental Ceramics: Current Thinking and Trends;Dent. Clin. North Am.,2004

4. Near-Surface Damage—A Persistent Problem in Crowns Obtained by Computer-Aided Design and Manufacturing;Proc. Inst. Mech. Eng., Part H: J. Eng. Med.,2005

5. Maximum Clenching Force of Patients With Moderate Loss of Posterior Tooth Support: A Pilot Study;J. Prosthet. Dent.,2002

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