Filters
On the Evaluation of Strain Inhomogeneity by Hardness Measurement of Formed Products
of strain- hardness evaluation is suggested here, based on FE simulation of a forming process and direct reletion of computed strain and measured hardness. The procedure is ilustrated on the example of forward ext...
JR - Ostatní strojírenství
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
On the evaluation of strain inhomogeneity by hardness measurement of formed products
procedure of reference curves evaluation is suggested here, based on an FE simulation of a forming process and direct relation of computed strain and measured hardness. The proocedure is illustrated on the example...
JG - Hutnictví, kovové materiály
- 2003 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Computationally-experimental analysis of ductile fracture criteria in cold forming
in metal forming processes, is evaluated in this study. The method used is based, and their numerical simulation. The aim is to analyse the reliability of various criteria of the analysed criteria are presented and the suc...
JG - Hutnictví, kovové materiály
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
Torsion bar manufacturing technology designed using FE simulation to increase resistance to torsional loading
The technology describes the process of forming torsion bars using numerical simulations to increase the resistance to torsional stresses. The new material concept. For cold forming, innovative through-hole dies ha...
Materials engineering
- 2023 •
- Ztech
Rok uplatnění
Ztech - Ověřená technologie
BOLT HEAD TRIMMING PROCESS - COMPUTATONAL SIMULATION, EXPERIMENT, OPTIMIZATION
Bolt head trimming is the last shape imprinting operation in the process of cold forming of bolts. It causes extreme loading of the trimming matrix, which is often the weakest point of the whole process. Aim of our work was...
JG - Hutnictví, kovové materiály
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
FEM - Based Tube Bending Simulation
) utilization for tube bending simulations. The process of winding the tube on a formative segment without a supporting thorn is simulated by FE-models of the bending assembly and the tube. The simulat...
JL - Únava materiálu a lomová mechanika
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
Identification of material damage in cold forming
Bulk forming technology is seriously limited by occurrence of cracks. Their prediction in the stage of the process design is highly desirable and a number of ductile fracture criteria are used to evaluate the probability of failure....
JG - Hutnictví, kovové materiály
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
Problems of calibration and application of fracture criteria in forming
in metal forming processes is the object of this study. The aim is to evaluate conducted until first fracture, and their numerical simulation. Different geometry of the analyseed criteria are presented and the successful o...
JG - Hutnictví, kovové materiály
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
EVALUATION OF DUCTILE FRACTURE CRITERIA IN METAL FORMING PROCESSES
forming processes. There are briefly described upsetting experiments and numerical simulation model created in FEM system ANSYS. Partial results are presented for some simulations. Ductile fracture prediction usin...
JP - Průmyslové procesy a zpracování
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
ROLE OF SYMMETRY IN OPTIMIZATION OF FEM SIMULATION CALCULATIONS
model of the process via the mathematical model of the considered FEM-simulation of the FE-simulation possessing quasi-symmetry given by a lattice of colloidal assembly formed by the chosen FE-me...
Materials engineering
- 2022 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
- 1 - 10 out of 297 556