Micro removal of ceramic material (Al2O3) in the precision ultrasonic machining

K. P. Rajurkar; Z. Y. Wang; A. Kuppattan

doi:10.1016/S0141-6359(98)00026-9

Micro removal of ceramic material (Al₂O₃) in the precision ultrasonic machining

K. P. Rajurkar, Z. Y. Wang, A. Kuppattan

Mechanical & Materials Engineering

Research output: Contribution to journal › Article › peer-review

74 Scopus citations

Abstract

Ultrasonic machining process is an efficient and economical means of precision machining of ceramic materials. However, the mechanics of the process with respect to crack initiation and propagation, and stress development in the ceramic workpiece subsurface are still not well understood. This article presents experimental simulation of the process mechanics in an attempt to analyze the material removal mechanism in machining of ceramic (Al₂O₃). It is found that low-impact force causes only structural disintegration and particle dislocation. The high-impact force contributes to cone cracks and subsequent crater damage.

Original language	English (US)
Pages (from-to)	73-78
Number of pages	6
Journal	Precision Engineering
Volume	23
Issue number	2
DOIs	https://doi.org/10.1016/S0141-6359(98)00026-9
State	Published - Apr 1999

ASJC Scopus subject areas

General Engineering

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abstract = "Ultrasonic machining process is an efficient and economical means of precision machining of ceramic materials. However, the mechanics of the process with respect to crack initiation and propagation, and stress development in the ceramic workpiece subsurface are still not well understood. This article presents experimental simulation of the process mechanics in an attempt to analyze the material removal mechanism in machining of ceramic (Al2O3). It is found that low-impact force causes only structural disintegration and particle dislocation. The high-impact force contributes to cone cracks and subsequent crater damage.",

author = "Rajurkar, {K. P.} and Wang, {Z. Y.} and A. Kuppattan",

note = "Funding Information: The authors thank the Nebraska Research Initiative Fund for their financial support. The authors also gratefully acknowledge the assistance of Ms. L. Shi and Mr. N. Saxena in the preparation of this article.",

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N2 - Ultrasonic machining process is an efficient and economical means of precision machining of ceramic materials. However, the mechanics of the process with respect to crack initiation and propagation, and stress development in the ceramic workpiece subsurface are still not well understood. This article presents experimental simulation of the process mechanics in an attempt to analyze the material removal mechanism in machining of ceramic (Al2O3). It is found that low-impact force causes only structural disintegration and particle dislocation. The high-impact force contributes to cone cracks and subsequent crater damage.

AB - Ultrasonic machining process is an efficient and economical means of precision machining of ceramic materials. However, the mechanics of the process with respect to crack initiation and propagation, and stress development in the ceramic workpiece subsurface are still not well understood. This article presents experimental simulation of the process mechanics in an attempt to analyze the material removal mechanism in machining of ceramic (Al2O3). It is found that low-impact force causes only structural disintegration and particle dislocation. The high-impact force contributes to cone cracks and subsequent crater damage.

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Micro removal of ceramic material (Al₂O₃) in the precision ultrasonic machining

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