In this study the feasibility of 3D FEM simulation of the orbital forming process was investigated by evaluating the simulation time. Commercial FEA software DEFORM 3D v4.0 that has an efficient computation algorithm for simulating incremental forming process was used for the simulations and the savings in computation time was determined. In order to provide reliable flow stress for the simulat...

Abstract Roll forming is a continuous process in which moving metal sheet passes through numerous pairs of opposing rolls. The shafts the roll mill are equipped with these rolls and must be set up aligned to achieve required final profile sheet. practically relevant task predicting geometry this incremental rolling varying characteristics entering requires an accurate description stiffness beha...

In recent years, in order to reducing die design and manufacturing costs, Multi point forming technique has gained an increasing interest because of its high flexibility. In this process, the conventional fixed shape solid die sets are replaced with a pair of opposite matrices of controllable elements. In this paper, the fundamental principles of multi-point forming was described and the possib...

A new method of forming low-resistance, ultra-shallow p+ junctions for improved PMOSFET short-channel performance is presented. Ultra-shallow Sio,8Geo,2/Si heterojunctions self-aligned to the gate electrode are formed by Ge ion implantation. Afterwards, sidewall spacers are formed and a deep B implant is performed to form the deep source/drain (S/D) contact regions. Upon post-implant annealing,...

The paper introduces an operation on a binary tree, called binary tree roll, or roll of a binary tree. Two versions of the binary tree roll, counterclockwise and clockwise, are presented. The operations are mathematically defined and graphically presented. It is explained how the binary tree roll actually coincides with the process of turning the entire tree 90 degrees counterclockwise or clock...

Successful implementation of a high-speed roll-to-roll nanoimprinting technique for continuous manufacturing of electronic devices has been hindered due to lack of simple substrate preparation steps, as well as lack of durable and long lasting molds that can faithfully replicate nanofeatures with high fidelity over hundreds of imprinting cycles. In this work, we demonstrate large-area high-spee...