Effect of resultant force direction in single point diamond turning of (111)CaF2

被引:0
作者
Tunesi, M. [1 ]
Adam, B. [2 ]
Rickens, K. [2 ]
Riemer, O. [2 ]
Lucca, D. A. [1 ]
机构
[1] Oklahoma State Univ, Sch Mech & Aerosp Engn, Stillwater, OK 74078 USA
[2] Leibniz Inst Werkstofforientierte Technol IWT, Lab Precis Machining LFM, D-28359 Bremen, Germany
关键词
Single point diamond turning; Calcium Fluoride; Single crystal; Deformation; Fracture; DEFORMATION-BEHAVIOR; CAF2; CRYSTALS; QUALITY;
D O I
10.1016/j.cirpj.2024.11.001
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
On-axis single point diamond turning experiments were performed on (111)CaF2 to investigate the effect of the resulting force system on the single crystal response. The cutting and thrust forces were measured and the resulting surface topography was characterized. The Schmid factors and fracture factors were calculated, and their ratio Sf was determined as a function of cutting direction and resultant force angle. It was found that this approach can be used to predict the number and location of resulting fracture lobes on the surface with respect to the lattice orientation. Two regimes with different topography were predicted when turning (111)CaF2, depending on the resultant force angle.
引用
收藏
页码:411 / 419
页数:9
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