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|Title:||Numerical and experimental study of contact behavior in the tool-based micromachining of steel|
Finite element method
|Citation:||Woon, K.-S., Rahman, M., Liu, K. (2010-06). Numerical and experimental study of contact behavior in the tool-based micromachining of steel. International Journal of Precision Engineering and Manufacturing 11 (3) : 453-459. ScholarBank@NUS Repository. https://doi.org/10.1007/s12541-010-0052-x|
|Abstract:||The contact mechanics is an important aspect in tool-based micromachining but a complete solution is not yet available. In this paper, a novel finite element analysis using arbitrary Lagrangian-Eulerian method and a special experimental setup using a high-speed and low field-of-view photography technique are used for the study of the contact problem. Discussions are emphasized on the interrelationship between shear contacts and material separation, the effect of contact pressure on the stick-slide behavior and the analysis of tool-chip contact length. The results revealed that material separation correlates to the stagnation phenomenon which is reflected from the shear contact vector while sticking and sliding is highly influenced by the distributions of contact pressure. Moreover, a non-dimensional solution for the contact length of micromachining is proposed based on the numerical and experimental results. © KSPE and Springer 2010.|
|Source Title:||International Journal of Precision Engineering and Manufacturing|
|Appears in Collections:||Staff Publications|
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