Research on Influence of Crystal KDP Anisotropy on Critical Condition of Brittle-Ductile Transition in Ultra-Precision Cutting

Article Preview

Abstract:

In order to machine high accuracy Potassium Dihydrogen Phosphate (KDP) crystal part, the indentation experiments are carried out with various loads and various orientation angles. The experimental results show that the critical condition of brittle-ductile transition of KDP has strong anisotropy. Therefore, the influence factors on the surface quality of crystal KDP was discussed, it is shown that influences of the tool's geometry parameter, feed rate and Nominal depth of cut etc on the surface quality of KDP are main. Afterwards the cutting experimental study on crystal KDP material is carried out. The experimental results show that the super-smooth surface quality only can be obtained while KDP is ultra-precision machined in ductile mode.

You might also be interested in these eBooks

Info:

Periodical:

Key Engineering Materials (Volumes 315-316)

Pages:

725-730

Citation:

Online since:

July 2006

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2006 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] L. Philippe, C. Christian, D. Pierre and et al.: SPIE, Vol. 3492 (1998), pp.814-820.

Google Scholar

[2] N. Yoshiharu, K. Masanori: SPIE, Vol. 3578 (1999), pp.692-698.

Google Scholar

[3] J.W. Yan, S.J. Katsuo, T. Kuriyagawa and et al: Journal of Materials Processing Technology, Vol. 121 (2002), pp.363-372.

Google Scholar

[4] M. Zhou, X.J. Wang, B.K.A. Ngoi and et al: Journal of Materials Processing Technology, Vol. 121 (2002), pp.243-251.

Google Scholar

[5] M. J. Chen, S. Dong and D. Li: Key Engineering Materials, Vol. 257-258 (2004), pp.201-206. Fig. 8 AFM microscope image of the cutting surface of KDP (γ0=-25°) Fig. 7 AFM microscope image of the cutting surface of KDP (γ0=-40°).

Google Scholar