Ultrasonic Machining Mechanism of Sintered Nd-Fe-B Magnetic Materials


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The material removal mechanism of ultrasonic machining sintered Nd-Fe-B magnetic materials was studied theoretically. The relation between critical load and central crack is given. In order to assure the material removal mode on material surface is brittle micro-fracture, the acting force of a single abrasive particle working on workpiece surface should be higher than the critical load. Experimental results show that there should be an optimal static load and an optimal abrasive size in certain ultrasonic machining system. The research results are helpful to guide practical production.



Materials Science Forum (Volumes 471-472)

Edited by:

Xing Ai, Jianfeng Li and Chuanzhen Huang




J. H. Zhang et al., "Ultrasonic Machining Mechanism of Sintered Nd-Fe-B Magnetic Materials", Materials Science Forum, Vols. 471-472, pp. 59-62, 2004

Online since:

December 2004




[1] H.C. Lin: Journal of Research On Metal Materials Vol. 15 (1994), p.70.

[2] D.W. Yang: Journal of Mechanical Engineering Materials Vol. 19 (1995), p.43.

[3] Z.F. Gu: Journal of Electrician Alloys, 1995(4), p.1.

[4] I. Tnasaki: Annals of the CIRP Vol. 36 (1987), p.463.

[5] B.R. Lawn, A.G. Evans and D.B. Marshall: J. of Ame. Ceramic Society Vol. 63 (1980), p.574.

[6] M. Dietz and H.D. Tietz: Journal of Materials Science Vol. 25 (1990), p.3731. Material removal rate (mm 3/min) Static Load (Kg).