Development of Computational and Experimental Capability forthe Simulation of High Speed Machining

本研究的目的是为机械加工过程的预测模拟提供科学依据和计算工具。为此，制定了一个综合实验和计算程序，重点是理解和量化：(1)刀具与工件之间的摩擦；（ii）在加工过程中工件在温度和载荷条件下行为的精确本构模型，以及（iii）导致新自由表面产生的材料失效，包括剪切带局部化在失效过程中的作用。

The aim of this research is to develop the scientific basis and computational tools for predictive simulations of machining processes. To this end, an integrated experimental and computational program is formulated which focusses on understanding and quantifying: (i) friction between the cutting tool and the workpiece; (ii) accurate constitutive models for the behavior of the workpiece under the temperature and loading conditions that occur during machining, and (iii) material failure leading to the creation of new free surfaces, including the role of shear band localizations in the failure process.