Ultrasonic Machining as an Aid to Ceramic Etching

V. E. Annamalai; C. V. Gokularathnam; R. Krishnamurthy; B.L. Anantha Ramu

doi:10.14429/dsj.42.4352

V. E. Annamalai Indian Institute of Technology Madras, Chennai
C. V. Gokularathnam Indian Institute of Technology Madras, Chennai
R. Krishnamurthy Indian Institute of Technology Madras, Chennai
B.L. Anantha Ramu Indian Institute of Technology Madras, Chennai

DOI: https://doi.org/10.14429/dsj.42.4352

Keywords: Ceramics, Chemical inertness, Microstructures

Abstract

Ceramics are difficult to etch. Their chemical inertness makes them very stable and often hot etching techniques are required to obtain their microstructures. This communication reports a technique developed to ease the process of ceramic etching.

Author Biographies

V. E. Annamalai, Indian Institute of Technology Madras, Chennai

Mr VE Annamalai obtained MTech in Production Engineering from Annarnalai University. He is working as Assistant Professor of Mechanical Engineering in Mookambigai College of Engineering, Keeranur and at present is working for his doctorate in Metallurgical Engineering in IIT, Madras . His area of interest is ceramic cutting tools based on zirconia.

C. V. Gokularathnam, Indian Institute of Technology Madras, Chennai

Dr CV Gokularathnam, a doctorate in Materials Science and Engineering, is working as Assistant Professor in the Department of Metallurgical Engine ering, lIT, Madras. His current areas of research include transformation-toughened Zirconia, zirconia-toughened alumina and metal matrix composites . He has about 30 papers to his credit.

R. Krishnamurthy, Indian Institute of Technology Madras, Chennai

Prof R Krishnamurthy received PhD in Mechanical Engineering from IIT ,Madras and is working there as Professor of Production Engineering in the Department of Mechanical Engineering. His principal areas of interest are metal cutting. machinability and tribological characteristics of ceramics. spheroidal cast iron, gears and condition monitoring. He has , supervised many MSc and , PhD programmes. Prof Krishnamurthy has published about 140 technical Papers.

B.L. Anantha Ramu, Indian Institute of Technology Madras, Chennai

Mr BL Anantba Ramu obtained MTech from lIT, Madras in 1976.He is working as Assistant 'Professor of Mechanical Engineering in Manipal Institute of Technology for the past 17 years . He is also working for his doctorate in Machine Tools Laboratory of lIT,Madras.