NDLI: Evaluation of Y$_{2}$O$_{3}$ surface machinability using ultra-precision lapping process with IED

Content Provider	Springer Nature Link
Author	Cha, Ji Wan Hwang, Sung Chul Lee, Eun Sang
Copyright Year	2009
Abstract	Prospects of Y$_{2}$O$_{3}$ have been more extended as a great promising and creditable material for optical, electronic and mechanical purposes. Y$_{2}$O$_{3}$ has been more observed as a fine ceramic which has great material properties: high light transparency, excellent thermal resistance and chemical inertness. But in terms of effective application of Y$_{2}$O$_{3}$, its hard and brittle nature needs to be overcome during the surface machining process. Therefore, the surface machining control of Y$_{2}$O$_{3}$ should be conducted carefully. The evaluation for stable and continuous machining should also be investigated in various industrial fields as there are only limited studies on the subject. The lapping process with in-process electrolytic dressing (IED) is widely used for surface machining of hard and brittle materials. In this study, Y$_{2}$O$_{3}$ surface machinability was evaluated by using the ultra-precision lapping process with IED method by changing three major variables: applied force, wheel speed and machining time. The most suitable value of Ra 92nm surface roughness was acquired with smooth surface quality from the following machining condition: 7kg of applied force, 60rpm of wheel speed and 30minutes of machining time. After the lapping process, the machining tendency and surface characteristics were analyzed with fracture toughness and Vickers hardness for the evaluation of Y$_{2}$O$_{3}$ surface machinability.
Starting Page	1194
Ending Page	1201
Page Count	8
File Format	PDF
ISSN	1738494X
Journal	Journal of Mechanical Science and Technology
Volume Number	23
Issue Number	4
e-ISSN	19763824
Language	English
Publisher	Korean Society of Mechanical Engineers
Publisher Date	2009-05-20
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Y$_{2}$O$_{3}$ Surface machinability Ultra-precision lapping In-process electrolytic dressing (IED) Evaluation Industrial and Production Engineering Vibration, Dynamical Systems, Control Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Mechanical Engineering

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