Study on Hot Compression of Ti75 Alloy Based on DEFORM-3D

2012 ◽  
Vol 201-202 ◽  
pp. 1088-1091
Author(s):  
Jun Fan ◽  
Lei Gang Wang
Keyword(s):  
Numerical Simulation ◽  
Hot Compression ◽  
Die Design ◽  
Work Piece ◽  
Stress And Strain ◽  
Know How ◽  
Forging Die ◽  
Deform 3D

The filling capability is important for forging die design, which influences the quality and life of the die. To obtain the know-how of the deficiency for the filling capability, numerical simulation was performed to analyze the hot compression of Ti75 alloy with DEFORM-3D. In the simulation, the reducing height and work-piece dimensions remain the same. We obtained the results including the process of hot compression, the forming behavior of the work-piece and the effect of work-piece dimensions on the distribution of the stress and strain.

Hot Compression Simulation of Ti3Al Alloy Based on DEFORM-3D

2011 ◽  
Vol 101-102 ◽  
pp. 240-244
Author(s):  
Jun Fan
Keyword(s):  
Simulation Method ◽  
Hot Compression ◽  
Work Piece ◽  
Stress And Strain ◽  
Al Alloy ◽  
Control Objective ◽  
Finite Element Numerical Simulation ◽  
Forging Die ◽  
Distribution Of Stress ◽  
Deform 3D

The filling capability of forging die is important to design forging die and it exerts a decisive influence to the quality and life of die. Due to the deficiency of the filling capability, and taking Ti3Al alloy as the research object, at the same height of reducing, work-piece dimensions as the control objective, the finite element numerical simulation method was used to simulate the hot compression of Ti3Al alloy with DEFORM-3D. This test simulated the process of hot compression, analyzed the hot deforming behavior of the stuff and discussed the effect of work-piece dimension on the variety and distribution of stress and strain.

Hot Compression Simulation of Ti75 Alloy Based on DEFORM-3D

2012 ◽  
Vol 229-231 ◽  
pp. 55-58
Author(s):  
Jun Fan
Keyword(s):  
Numerical Simulation ◽  
Finite Element ◽  
Simulation Method ◽  
Hot Compression ◽  
Strain Rates ◽  
Know How ◽  
Numerical Simulation Method ◽  
Control Objective ◽  
Finite Element Numerical Simulation ◽  
Deform 3D

To obtain the know-how of the deficiency for the filling capability, taking Ti75 alloy as the research object, at the same height of reducing, strain rates during forming as the control objective, the finite element numerical simulation method was used to simulate the hot compression with DEFORM-3D, analyzing the effect of the strain rates on the distribution of strain and stress.

The Improvement and Finite Element Analysis of Large Crankshaft Forging Process

2013 ◽  
Vol 365-366 ◽  
pp. 561-564
Author(s):  
Jian Jun Wang ◽  
Su Lan Hao ◽  
Lu Pan ◽  
Yan Ming Zhang
Keyword(s):  
Numerical Simulation ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Simulation Software ◽  
Die Design ◽  
Element Analysis ◽  
Forging Process ◽  
Large Load ◽  
Deform 3D

In view of large load, the shape of large crank forgings and forging process are designed reasonably. Large crank forging process is simulated by numerical simulation software DEFORM-3D to improve the forging process and the dies, including adding upsetting step and related dies. The result shows that improved process and dies can obtain higher quality finish forgings and the load reduces to a rational level, which provides basis for crank forging process and die design.

Numerical Simulation of Precision Forming for Blade Rotor Based on DEFORM

2011 ◽  
Vol 130-134 ◽  
pp. 2388-2391
Author(s):  
Fang Liu ◽  
Lu Yun Zhang
Keyword(s):  
Numerical Simulation ◽  
Metal Flow ◽  
Flow Rule ◽  
Stress And Strain ◽  
Deformation Characteristics ◽  
Forming Process ◽  
Plastic Forming ◽  
Deform 3D

In order to study the deformation characteristics of the blade rotor in the precision forming, by means of the plastic forming software DEFORM-3D, the forming process is simulated. It is concluded that (1) the change of the stress and strain in different stages was simulated during the entire forming process. (2) Based on the stress and strain distributions, the analysis of the metal flow rule and the mechanism of the filling mold was proceeded to find that the properties of the blade rotor can be enhanced by means of the precision forming.

Study on Hot Compression of Ti3Al Alloy Based on DEFORM-3D

2011 ◽  
Vol 130-134 ◽  
pp. 938-941
Author(s):  
Jun Fan
Keyword(s):  
Simulation Method ◽  
Hot Compression ◽  
Al Alloy ◽  
Strain Rates ◽  
Compression Behavior ◽  
Control Objective ◽  
Finite Element Numerical Simulation ◽  
Forging Die ◽  
Distribution Of Stress ◽  
Deform 3D

The filling capability of forging die is the key to design forging die and it exerts an important influence to the quality and life of die. In response to the difficulty in filling of forging die, and taking forged Ti3Al alloy as the research object, at the same height of reducing, strain rates during forming as the control objective, the finite element numerical simulation method was used to simulate the hot compression of Ti3Al alloy with DEFORM-3D. This test simulated the process of hot compression, analysed the hot compression behavior of the stuff and discussed the effect of strain rates on the variety and distribution of stress and strain.

Optimization Design of Forging Die for Supporting Bar Based on DEFORM-3D

2012 ◽  
Vol 602-604 ◽  
pp. 1869-1873
Author(s):  
Lei Fu ◽  
Li Lin
Keyword(s):  
Contact Stress ◽  
Optimization Design ◽  
Working Life ◽  
Work Piece ◽  
Die Structure ◽  
Die Stress ◽  
Simulation Results ◽  
3D Solid ◽  
Forging Die ◽  
Deform 3D

On the basis of analyzing the process of supporting bar forging conform, the 3D solid geometries modeling of billet and die were constructed by SOLIDWORKS software, the distributions of die stress and contact stress on the process of supporting bar forging conform were analyzed by using DEFORM-3D program. The working life of the die punch was assessed. The die structure was optimized based on the simulation results, and the forging defect of the improved work piece could be well controlled and the die working life was improved to about 10%.

Investigation on Free-Wheel Hub for Starter Rotary Forming Process and Die Design Based on Numerical Simulation

2012 ◽  
Vol 557-559 ◽  
pp. 2155-2158
Author(s):  
Ping Wang ◽  
Liang Li
Keyword(s):  
Numerical Simulation ◽  
Hydraulic Press ◽  
Die Design ◽  
Quality Requirement ◽  
Forming Process ◽  
Forming Technology ◽  
Die Structure ◽  
Similar Part ◽  
3D Software ◽  
Deform 3D

Free-wheel hub plays an important role in automobile starter system, so there is higher quality requirement on geometry and precision. In order to improve the efficiency and comprehensive functions of the part, according to the features of the lower part with involute small module internal helical spline, the rotary forming technology was put forward, and the forming process was simulated by the DEFORM-3D software. In the die design, the use of rotary punch made the process of rotary forming achieved in common hydraulic press, and can serve as an important reference to the design of forming process and die structure of similar part.

Numerical Simulation of Extrusion of Hollow Profiles from Mg-Li Alloy

2015 ◽  
Vol 641 ◽  
pp. 210-217
Author(s):  
W. Libura ◽  
Artur Rękas ◽  
Mateusz Milczanowski ◽  
Katarzyna Milczanowska
Keyword(s):  
Numerical Simulation ◽  
Magnesium Alloys ◽  
Metal Flow ◽  
Aviation Industry ◽  
Stress And Strain ◽  
Optimal Temperature ◽  
Die Geometry ◽  
3D Software ◽  
Lithium Alloys ◽  
Deform 3D

Magnesium is the lightest metal used for construction elements. Due to their lightness and good mechanical properties magnesium alloys have been used in aviation industry since 50’s of the last century. Magnesium – Lithium alloys are the lightest of all magnesium alloys. Their density can be lower than 1,0 g/cm3. In this paper the results of numerical simulation of direct extrusion of Mg-Li alloy hollow profile are presented. The alloy has 12% addition of Lithium and has been extruded through porthole dies. The analysis of temperature distribution, metal flow and stress and strain with the use of Finite Element Method (FEM) have been calculated in Deform 3D software. The mathematical simulation have been performed for various ingot temperatures and the die’s geometry. Thanks to numerical simulation, the optimal temperature and die geometry have been determined and due to this fact the optimal stress conditions in a welding chamber have been obtained

Numerical Simulation and Defects Analyses of Titanium Aluminide Based Alloys Powder Forging

2011 ◽  
Vol 337 ◽  
pp. 192-197
Author(s):  
Wei Zhang ◽  
Yong Liu ◽  
Ming Yang Zhang
Keyword(s):  
Numerical Simulation ◽  
Titanium Aluminide ◽  
Deformation Process ◽  
Stress And Strain ◽  
Deformation Characteristics ◽  
Important Method ◽  
Plastic Deformation Process ◽  
Plastic Forming ◽  
Al Powder ◽  
Deform 3D

Powder forging is an important method for behaviors in a closed die, including the net shape. In order to study the deformation characteristics, the closed die block forging of Ti-Al powder preforms was simulated by commercial plastic forming software DEFORM-3D, using a change of temperature, stress and strain at different regions of the billet. Based on distributions of the stress and strain, the occurrence of defects was analyzed. It indicates that some defects may occur near the edge of preform during the plastic deformation process. At last, the predicted results were evaluated by experiments.

Analysis on Temperature Field of Work-Piece during Cross Wedge Rolling

2011 ◽  
Vol 230-232 ◽  
pp. 352-356
Author(s):  
Wen Ke Liu ◽  
Kang Sheng Zhang ◽  
Zheng Huan Hu
Keyword(s):  
Finite Element ◽  
Temperature Field ◽  
Metal Flow ◽  
Work Piece ◽  
Contact Deformation ◽  
Cross Wedge Rolling ◽  
Forming Process ◽  
Rigid Plastic ◽  
Finite Element Software ◽  
Deform 3D

Based on the rigid-plastic deformation finite element method and the heat transfer theories, the forming process of cross wedge rolling was simulated with the finite element software DEFORM-3D. The temperature field of the rolled piece during the forming process was analyzed. The results show that the temperature gradient in the outer of the work-piece is sometimes very large and temperature near the contact deformation zone is the lowest while temperature near the center of the rolled-piece keeps relatively stable and even rises slightly. Research results provide a basis for further study on metal flow and accurate shaping of work-piece during cross wedge rolling.

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