Finite Element Simulation of the Cutting Process for Inconel 718 Alloy Using a New Material Constitutive Model

2016 ◽  
Vol 693 ◽  
pp. 1046-1053
Author(s):  
Xiang Yu Wang ◽  
Chuan Zhen Huang ◽  
Jun Wang ◽  
Bin Zou ◽  
Guo Liang Liu ◽  
...  
Keyword(s):  
Finite Element ◽  
Constitutive Model ◽  
Finite Element Simulation ◽  
Cutting Forces ◽  
Inconel 718 ◽  
Cutting Process ◽  
Inconel 718 Alloy ◽  
Cutting Edge Radius ◽  
Material Constitutive Model ◽  
Element Simulation

Inconel 718 alloy is a typical difficult-to-cut material and widely used in the aerospace industry. Finite element simulation is an efficient method to investigate the cutting process, whereby a work material constitutive model plays an important role. In this paper, finite element simulation of the cutting process for Inconel 718 alloy using a new material constitutive model for high strain rates is presented. The effect of tool cutting edge radius on the cutting forces and temperature is then investigated with a view to facilitate cutting tool design. It is found that as the cutting edge radius increases, the characteristics of tool-work friction and the material removal mechanisms change, resulting in variation in cutting forces and temperature. It is shown that a smaller cutting edge radius is preferred to reduce the cutting forces and cutting temperature.

Finite element simulation of machining Inconel 718 alloy including microstructure changes

2014 ◽  
Vol 88 ◽  
pp. 110-121 ◽  
Author(s):  
F. Jafarian ◽  
M. Imaz Ciaran ◽  
D. Umbrello ◽  
P.J. Arrazola ◽  
L. Filice ◽  
...  
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Inconel 718 ◽  
Inconel 718 Alloy ◽  
Microstructure Changes ◽  
Element Simulation

Effects of the Flow Stress in Finite Element Simulation of Machining Inconel 718 Alloy

2014 ◽  
Vol 611-612 ◽  
pp. 1210-1216 ◽  
Author(s):  
Farshid Jafarian ◽  
Mikel Imaz Ciaran ◽  
Pedro José Arrazola ◽  
Luigino Filice ◽  
Domenico Umbrello ◽  
...  
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Inconel 718 ◽  
Orthogonal Cutting ◽  
Material Model ◽  
Material Behavior ◽  
Machining Process ◽  
Inconel 718 Alloy ◽  
Element Simulation ◽  
Inconel 718 Superalloy

Inconel 718 superalloy is one of the difficult-to-machine materials which is employed widely in aerospace industries because of its superior properties such as heat-resistance, high melting temperature, and maintenance of strength and hardness at high temperatures. Material behavior of the Inconel 718 is an important challenge during finite element simulation of the machining process because of the mentioned properties. In this regard, various constants for Johnson–Cook’s constitutive equation have been reported in the literature. Owing to the fact that simulation of machining process is very sensitive to the material model, in this study the effect of different flow stresses were investigated on outputs of the orthogonal cutting process of Inconel 718 alloy. For each model, the predicted results of cutting forces, chip geometry and temperature were compared with experimental results of the previous work at the different feed rates. After comparing the results of the different models, the most suitable Johnson–Cook’s material model was indentified. Obtained results showed that the selected material model can be used reliably for machining simulation of Inconel 718 superalloy.

Finite Element Simulation on High Speed Cutting of Hardened 45 Steel Based on ABAQUS

2013 ◽  
Vol 579-580 ◽  
pp. 202-207
Author(s):  
Guo He Li ◽  
Hou Jun Qi ◽  
Bing Yan
Keyword(s):  
Finite Element ◽  
Cutting Force ◽  
Finite Element Simulation ◽  
High Speed ◽  
Cutting Temperature ◽  
Cutting Parameters ◽  
Cutting Process ◽  
High Speed Cutting ◽  
Geometry Model ◽  
Element Simulation

For the high speed cutting process of hardened 45 steel (45HRC), a finite element simulation of cutting deformation, cutting force and cutting temperature is finished with the large general finite element software ABAQUS. Through the building of geometry model, material model and heat conduction model, also the determination of boundary conditions, separation rule and friction condition, a thermal mechanical coupling finite element model of high speed cutting for hardened 45 steel is built. The serrated chip, cutting force and cutting temperature can be predicted. The comparison of experiment and simulation shows the validity of the model. The influence of cutting parameters on cutting process is investigated by the simulation under different cutting depthes and rake angles. The results show that as the increase of rake angle, the segment degree, cutting force and cutting temperature decrease. But the segment degree, also the cutting force and cutting temperature increase with the increase of cutting depth. This study is useful for the selection of cutting parameters of hardened steel.

Physical Simulation of Cutting Process and Optimization of Cutting Parameters

2012 ◽  
Vol 522 ◽  
pp. 210-216
Author(s):  
Tian Biao Yu ◽  
Xue Wei Zhang ◽  
Jia Ying Pei ◽  
Wan Shan Wang
Keyword(s):  
Finite Element ◽  
High Temperature ◽  
Cutting Force ◽  
Finite Element Simulation ◽  
Physical Simulation ◽  
Cutting Parameters ◽  
Cutting Process ◽  
Finite Element Software ◽  
Element Simulation ◽  
Optimization Of Cutting Parameters

Based on metal cutting theory and the key technology of finite element simulation, this paper uses finite element software Deform to establish three-dimensional finite element simulation model and simulate cutting process. This paper uses the work piece material is IN718 high temperature alloys packaged in Deform, and analyzes the processing characteristics of high temperature, choosing the right tools and cutting dosages to simulate. Through the simulation we can get scraps forming process, the surface stress, strain, temperature and cutting force distribution of the workpiece and the tool. We can also get the change rule of cutting force and cutting temperature under the different cutting parameters. The simulation results provide the theoretical basis for the optimization of cutting parameter selection in production practice.

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