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The application of Titanium alloys has gradually increased because of its superior thermal and mechanical properties. Ti-alloys have higher strength and light weight compared to steel. However, Ti-alloys have poor machineability due to their low thermal conductivity and stiffness. As the machining proceeds, the tool wear is accelerated and abnormal conditions such as chipping and fracture of cutting...
Inconel 718 is widely used in automotive and aerospace industry because it has excellent mechanical properties such as light weight and high rigidity. However, it is typical difficult-to-cut materials, and has poor machinability. In machining of Inconel 718, tool fracture is likely to occur because tool wear is rapidly proceeded and tool temperature becomes high, which is derived from its lower thermal...
In mandibular reconstructive surgery, straight surgical plates are predominantly used for osteotomy. In this process, a straight plate is bent to fit to the shape of the patient's defect. This potentially compromises the stability of the plate because of changes in mechanical properties resulting from plastic deformation; however, the effect of plastic deformation on stability has yet been investigated...
In this paper, we present a new active contours model to segment human leg bones in computed tomography images that is based on a variable-weighted combination of local and global intensity. This model can split an object surrounded by both weak and strong boundaries, and also distinguish very adjacent objects with those boundaries. The ability of this model is required for segmentation in medical...
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