Abstract
This paper investigates the micromachinability of Cu-Be alloys and the effect of microstructure. The material temper, tool material, lead content, and machining parameters were varied to assess their effects. Similar chip formation mechanisms were found when the depths of cut varied from few millimeters to submicron levels. Good agreement between predicted and measured data was obtained providing grain boundaries were visible on a machined surface. A flatness of 20 nm over the 9.5 mm diameter rod, and roughness of 2 nm R a and 8 nm R t were achieved. Beryllide inclusions and the precipitates degraded the micromachinability, while the lead particles improved it.
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© 1999 Springer-Verlag Wien
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Hung, N.P., Lim, S.W., Zhong, Z.W. (1999). Effect of Microstructure on Ultraprecision Machining of Copper-Beryllium Alloys. In: Kuljanic, E. (eds) AMST ’99. International Centre for Mechanical Sciences, vol 406. Springer, Vienna. https://doi.org/10.1007/978-3-7091-2508-3_16
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DOI: https://doi.org/10.1007/978-3-7091-2508-3_16
Publisher Name: Springer, Vienna
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