Precision Grinding of Hard and Brittle Materials

Two novel techniques were used to study the formation of ductile mode streaks during diamond grinding (primary process) of germanium, silicon, and glass that aid the secondary process of polishing. In the first technique asph~ric surfaces were generated on Ge and Si at conventional speeds (5000 r...

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Main Authors: Venkatesh, Vellore Chelvaraj, Sudin, Izman, Sharif, Safian, Mon, Thet Thet, Konneh, Mohamed
Format: Article
Language:English
English
Published: Universiti Putra Malaysia Press 2004
Online Access:http://psasir.upm.edu.my/id/eprint/3690/1/Precision_Grinding_of_Hard_and_Brittle_Materials.pdf
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author Venkatesh, Vellore Chelvaraj
Sudin, Izman
Sharif, Safian
Mon, Thet Thet
Konneh, Mohamed
author_facet Venkatesh, Vellore Chelvaraj
Sudin, Izman
Sharif, Safian
Mon, Thet Thet
Konneh, Mohamed
author_sort Venkatesh, Vellore Chelvaraj
collection UPM
description Two novel techniques were used to study the formation of ductile mode streaks during diamond grinding (primary process) of germanium, silicon, and glass that aid the secondary process of polishing. In the first technique asph~ric surfaces were generated on Ge and Si at conventional speeds (5000 rpm). In the second technique high speed grinding (100,000 rpm) of plano surfaces on glass and Si surfaces was carried out Form accuracy, surface finish and ductile mode grinding streaks are discussed in this paper. It was found that resinoid diamond wheels gave more ductile streaks than metal-bonded wheels but better form accuracy was obtained with the latter. Transparent ground surfaces were obtained more easily with Pyrex rather than with BK 7 glass, thus necessitating very little time for polishing. Ductile streaks appeared in abundance on germanium rather than silicon. Both the novel grinding techniques were used on CNC machining centres.
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spelling upm.eprints-36902013-05-27T07:10:28Z http://psasir.upm.edu.my/id/eprint/3690/ Precision Grinding of Hard and Brittle Materials Venkatesh, Vellore Chelvaraj Sudin, Izman Sharif, Safian Mon, Thet Thet Konneh, Mohamed Two novel techniques were used to study the formation of ductile mode streaks during diamond grinding (primary process) of germanium, silicon, and glass that aid the secondary process of polishing. In the first technique asph~ric surfaces were generated on Ge and Si at conventional speeds (5000 rpm). In the second technique high speed grinding (100,000 rpm) of plano surfaces on glass and Si surfaces was carried out Form accuracy, surface finish and ductile mode grinding streaks are discussed in this paper. It was found that resinoid diamond wheels gave more ductile streaks than metal-bonded wheels but better form accuracy was obtained with the latter. Transparent ground surfaces were obtained more easily with Pyrex rather than with BK 7 glass, thus necessitating very little time for polishing. Ductile streaks appeared in abundance on germanium rather than silicon. Both the novel grinding techniques were used on CNC machining centres. Universiti Putra Malaysia Press 2004 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/3690/1/Precision_Grinding_of_Hard_and_Brittle_Materials.pdf Venkatesh, Vellore Chelvaraj and Sudin, Izman and Sharif, Safian and Mon, Thet Thet and Konneh, Mohamed (2004) Precision Grinding of Hard and Brittle Materials. Pertanika Journal of Science & Technology, 12 (2). pp. 113-125. ISSN 0128-7680 English
spellingShingle Venkatesh, Vellore Chelvaraj
Sudin, Izman
Sharif, Safian
Mon, Thet Thet
Konneh, Mohamed
Precision Grinding of Hard and Brittle Materials
title Precision Grinding of Hard and Brittle Materials
title_full Precision Grinding of Hard and Brittle Materials
title_fullStr Precision Grinding of Hard and Brittle Materials
title_full_unstemmed Precision Grinding of Hard and Brittle Materials
title_short Precision Grinding of Hard and Brittle Materials
title_sort precision grinding of hard and brittle materials
url http://psasir.upm.edu.my/id/eprint/3690/1/Precision_Grinding_of_Hard_and_Brittle_Materials.pdf
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AT konnehmohamed precisiongrindingofhardandbrittlematerials