scholarly journals Numerical-experimental validation of the welding thermal cycle carried out with the MIG welding process on a 6063-T5 aluminium tubular profile

2019 ◽  
Vol 23 (6 Part A) ◽  
pp. 3639-3650
Author(s):  
Valdenebro Meseguer ◽  
Eusebio Martínez-Conesa ◽  
Antonio Portolés
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Experimental Validation ◽  
Welding Process ◽  
Weld Bead ◽  
Mig Welding ◽  
The Finite Element Method ◽  
Welding Thermal Cycle ◽  
Welding Cycle ◽  
Element Method

The purpose of this work is to validate the thermal welding cycle obtained experimentally with the metal inert gas (MIG) welding process on a 6063-T5 aluminium tubular profile using the finite element method. The assembly formed by the tubular profile and the weld bead obtained experimentally is represented in an accurate way, taking care of both the geometry and the contour of the weld bead. The precision achieved in the numerical-experimental validation carried out by means of the finite element method is due to the care that has been taken in drawing the welded piece together with the weld bead made experimentally. In the validation carried out, the experimental and numerical cooling curves and the critical cooling time between 400 and 300?C (t4/3 ) in both curves are compared.

A Model for the Prediction of Form Errors in Face Milling and Turning

1999 ◽  
Author(s):  
Luc Masset ◽  
Jean-François Debongnie ◽  
Sylvie Foreau ◽  
Thierry Dumont
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Cutting Forces ◽  
Experimental Validation ◽  
Industrial Applications ◽  
Face Milling ◽  
The Finite Element Method ◽  
Form Errors ◽  
Error Computation ◽  
Element Method

Abstract A method is proposed for predicting form errors due to both clamping and cutting forces in face milling and turning. It allows complex tool trajectories and workpiece geometries. Error computation is performed by the finite element method. An experimental validation of the model for face milling is presented. Two industrial applications are produced in order to demonstrate the capabilities of the method.

Non-linear thermal analysis of light concrete hollow brick walls by the finite element method and experimental validation

2006 ◽  
Vol 26 (8-9) ◽  
pp. 777-786 ◽  
Author(s):  
J.J. del Coz Díaz ◽  
P.J. García Nieto ◽  
A. Martín Rodríguez ◽  
A. Lozano Martínez-Luengas ◽  
C. Betegón Biempica
Keyword(s):  
Finite Element Method ◽  
Thermal Analysis ◽  
Finite Element ◽  
Experimental Validation ◽  
The Finite Element Method ◽  
Non Linear ◽  
Hollow Brick ◽  
Element Method

Modeling of Welding Process and Allied Technologies

2018 ◽  
Vol 769 ◽  
pp. 323-328
Author(s):  
Natalia Astafeva
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Welding Process ◽  
Simulation Method ◽  
The Finite Element Method ◽  
Program Complex ◽  
Weld Joints ◽  
Welding Technology ◽  
Alloy Weld ◽  
Element Method

The paper deals with the simulation technique of Al-Mg-Si alloy weld joints. Complexity of welding is due to the fact that a massive piece is jointed to stamped blanks-package. The main phases of the welding process modeling in a program complex based on the finite element method are considered. The efficiency of use of the computer simulation method for developing the welding technology and determining the method of fixing the parts is shown. Keywords: TIG welding, welding simulations, heat transfer, Sysweld program, the finite element method (FEM).

scholarly journals Analytical determination and validation by finite elements method of hydrogen weld of carbon steel after post-heating

2020 ◽  
pp. 297-297
Author(s):  
José Meseguer-Valdenebro ◽  
Antonio Portoles ◽  
Eusebio Martínez-Conesa
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Phase Transformation ◽  
Carbon Steel ◽  
Base Material ◽  
Welding Process ◽  
Reference Method ◽  
Analytical Determination ◽  
The Finite Element Method ◽  
Element Method

The objective of this work is to determine analytically the amount of hydrogen residual in a weld after having carried out post-heating for a certain period of time in order to reduce the risk of cold cracking due to the presence of hydrogen in the weld and its validation by the finite element method. Post-heating is a variable present in the welding procedures and therefore it is mandatory in those welds that require it. This work can be helpful to determine both numerically by the finite element method and analytically the post-heating suitable in a welding process depending on that process, the welded material and the base material. In this work, the phase transformation and time difference of the phase transformation between the weld metal and base metal are not considered. The diffusivity values are those used by the reference method that analytically calculates the residual hydrogen in a carbon steel weld. There are two values of hydrogen diffusivity (minimum value and maximum value) in this way the diffusivity values that represent all types of carbon steel are collected. The least amount of hydrogen in the weld is with a post-heating to 200?C, producing a decrease in hydrogen in the weld at a higher speed than with the rest of temperatures below this.

Simulation of tuning graphene plasmonic behaviors by ferroelectric domains for self-driven infrared photodetector applications

Nanoscale ◽  
2019 ◽  
Vol 11 (43) ◽  
pp. 20868-20875 ◽  
Author(s):  
Junxiong Guo ◽  
Yu Liu ◽  
Yuan Lin ◽  
Yu Tian ◽  
Jinxing Zhang ◽  
...  
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Interfacial Effect ◽  
Infrared Photodetector ◽  
The Finite Element Method ◽  
Ferroelectric Domains ◽  
Element Method

We propose a graphene plasmonic infrared photodetector tuned by ferroelectric domains and investigate the interfacial effect using the finite element method.

Sign in / Sign up

Export Citation Format

Share Document