Finite Element Simulation of Titanium Alloy Turning Process

2013 ◽  
Vol 391 ◽  
pp. 14-17 ◽  
Author(s):  
Cheng Jun Yin ◽  
Qing Chun Zheng ◽  
Ya Hui Hu
Keyword(s):  
Finite Element ◽  
Titanium Alloy ◽  
Three Dimensional ◽  
Cutting Temperature ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Element Model ◽  
Simulation Software ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element

In this paper, three-dimensional finite element model of titanium alloy TC4 was established by using three-dimensional finite simulation software-Deform.Change rule of cutting force and cutting temperature can be obtained in different cutting parameters including cutting speed, feed rate and cutting depth.

On Predicting Softening Effects in Hard Turned Surfaces—Part II: Finite Element Modeling and Verification

2004 ◽  
Vol 127 (3) ◽  
pp. 484-491 ◽  
Author(s):  
Jing Shi ◽  
C. Richard Liu
Keyword(s):  
Finite Element ◽  
Thermal History ◽  
Three Dimensional ◽  
Cutting Speed ◽  
Cutting Parameters ◽  
Hardness Measurement ◽  
Fe Model ◽  
Dimensional Finite Element ◽  
History Of ◽  
Three Dimensional Finite Element

A material softening model based on thermal activation energy has been successfully established through tempering experiments in the first part of this study. To apply the model to predicting material softening in hard turned surfaces, the thermal history of work material is needed. In this part, a three-dimensional finite element (FE) model of machining hardened 52100 steel is constructed, and coupled thermal-stress analysis is performed to obtain the material thermal history. Then the material softening model uses the computed thermal history as input to predict the material hardness profiles along the depth into the machined surfaces. Overall, the prediction precisely catches the trend of hardness change along depth and agrees reasonably well with the hardness measurement. What’s more, the sensitivity of material softening to cutting parameters is investigated both quantitatively and qualitatively. Within the investigation range, it is observed that the increase of tool flank wear and feed rate produces severe material softening and a deeper softened layer, while the increase of cutting speed causes significant softening to the surface material but hardly changes the softened depth.

Mechanics Modeling and Three-Dimensional Finite Element Simulating for High Speed Milling of Titanium Alloy

2010 ◽  
Vol 29-32 ◽  
pp. 360-364
Author(s):  
Yong Yang ◽  
Yu Ling Wang ◽  
Chang He Li
Keyword(s):  
Finite Element ◽  
Titanium Alloy ◽  
Finite Element Model ◽  
High Speed ◽  
Three Dimensional ◽  
Element Model ◽  
Milling Process ◽  
High Speed Milling ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element

A three-dimensional finite element model of helix double-edge cutting is developed to study the ending milling process of titanium alloy Ti6Al4V. Several mechanics models of milling process, such as material constitutive model, friction model and heat transfer model, are implemented to improve finite element simulating accuracy. A milling force experiment is carried out, and a good agreement between simulation and experimental value is achieved, which proved that the finite element model presented in this paper is correct. Using this finite element model, chip formation and cutting temperature are simulated and analyzed. This work will be a base for process parameter optimization, tool’s optimization selection and design during high speed milling of difficult-to-cut titanium alloy.

Voxel Models as Input for Heat Transfer Simulations Based on X-ray Microtomography Images of Random Fiber Reinforced Composites

2018 ◽  
Vol 1 (1) ◽  
pp. 114-119
Author(s):  
Steven K. Latré ◽  
Ilya Straumit ◽  
Frederik Desplentere ◽  
Stepan V. Lomov
Keyword(s):  
Finite Element ◽  
Three Dimensional ◽  
Element Model ◽  
Simulation Software ◽  
Fiber Reinforced Composites ◽  
Reinforced Composites ◽  
Fibrous Materials ◽  
Fiber Reinforced ◽  
Dimensional Finite Element ◽  
Three Dimensional Finite Element

This paper proposes a method for the creation of a three-dimensional finite element model representing fiber reinforced insulation materials for the simulation software Siemens NX. VoxTex software, a tool for quantification of µCT images of fibrous materials, is used for the transformation of microtomography images of random fiber reinforced composites into finite element models. The paper describes the numerical tools used for the image quantification and the conversion and illustrates them on several thermal simulations of fiber reinforced insulation blankets filled with low thermal conductive fillers. The experimental measurements validate the prediction of the thermal conductivity.

Finite Element Analysis of Nonuniformity of Tires with Imperfections5

2007 ◽  
Vol 35 (3) ◽  
pp. 226-238 ◽  
Author(s):  
K. M. Jeong ◽  
K. W. Kim ◽  
H. G. Beom ◽  
J. U. Park
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Three Dimensional ◽  
Element Model ◽  
Radial Force ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Dimensional Finite Element ◽  
Force Variation ◽  
Three Dimensional Finite Element

Abstract The effects of variations in stiffness and geometry on the nonuniformity of tires are investigated by using the finite element analysis. In order to evaluate tire uniformity, a three-dimensional finite element model of the tire with imperfections is developed. This paper considers how imperfections, such as variations in stiffness or geometry and run-out, contribute to detrimental effects on tire nonuniformity. It is found that the radial force variation of a tire with imperfections depends strongly on the geometrical variations of the tire.

Mechanical Simulation of Knee Movement in Basketball Shooting

2013 ◽  
Vol 336-338 ◽  
pp. 760-763
Author(s):  
Hui Yue
Keyword(s):  
Finite Element ◽  
Cruciate Ligament ◽  
Three Dimensional ◽  
Element Model ◽  
Basketball Player ◽  
Knee Movement ◽  
Dimensional Finite Element ◽  
Anterior Cruciate ◽  
Three Dimensional Finite Element

A short explanation of the finite element method as a powerful tool for mathematical modeling is provided, and an application using constitutive modeling of the behavior of ligaments is introduced. Few possible explanations of the role of water in ligament function are extracted from two dimensional finite element models of a classical ligament. The modeling is extended to a three dimensional finite element model for the human anterior cruciate ligament. Simulation of ligament force in pitching motion of basketball player is studied in this paper.

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