Defect Free Machining of Glass with Improved Surface Characteristics

Abstract:

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The effect of cutting fluids on surface characteristics of glassone of homogenuious brittle materialsare discussed. In water both fracture stress and tough ness are greatly decreased and many uncontrollable cracks are easily generated and propagate in maching.The other hand, in spindle oil, both the stress and toughness becomes lager, and the crack generation and propagation also restrained than those in water. In order to obtain the defect free surface of glass by machining, both the generation of cracks and propagation should be controlled or restrained. Since they are greatly affected by the surface and/or at the crack tip energy of glass, some methods for increasing the energy are proposed.

Info:

Periodical:

Materials Science Forum (Volumes 532-533)

Edited by:

Chengyu Jiang, Geng Liu, Dinghua Zhang and Xipeng Xu

Pages:

544-547

Citation:

S. Takahiro and W. Ryo, "Defect Free Machining of Glass with Improved Surface Characteristics", Materials Science Forum, Vols. 532-533, pp. 544-547, 2006

Online since:

December 2006

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Price:

$38.00

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[2] R.D. Donaldson: Lawrence Livermore National Lavoratory Report UCRL-52812, Vol. 1 (1979).

[3] D.B. Marshall, B.R. Lawn and A.G. Evans: J. Amer. Cer., Vol. 65-11 (1982), pp.561-566.

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