Application of Multivariate Analysis Methods in Welding Engineering
Journal Title: Biuletyn Instytutu Spawalnictwa - Year 2018, Vol 62, Issue 5
Abstract
Phenomena and processes taking place during welding are usually very complex and, for this reason, should be described using multivariate methods. The article discusses the methodological basis and selected application areas as regards the solving of welding problems using statistical multivariate methods. In addition, the article presents exemplary applications of the design of experiment, multiple regression analysis, cluster analysis, principal component analysis and logistic regression analysis. The application of multivariate analyses provides the possibility of performing the mathematical description of joining processes, which, after verification, could be used to predict results of such processes, particularly in relation to the properties and fatigue service life of welded structures.
Authors and Affiliations
Dariusz Fydrych, Aleksandra Świerczyńska, Grzegorz Rogalski, Jerzy Łabanowski
Simulation Tests of the Welding Machine Secondary Circuit
The article discusses the analysis of circuit parameters and power losses in the secondary circuit of the welding machine. The analysis was based on FEM calculations performed using the ANSYS Mechanical APDL software pro...
Effect of FSW Process Parameters on Properties of Aluminium Joints
Ever since its development in the 1990s, the friction stir welding method (FSW) has been increasingly popular in various industrial sectors, e.g. in transport, power engineering or electronic industry. In spite of its nu...
Mechanical Properties of Welded Joints in Steel S1100QL after Multiple Repair Welding
The article presents the use of high-strength toughened steels in various industries and the chronological development of various grades of the above-named steels. In addition, the article discusses the repair of defecti...
Multiple MAG Repair Welding of Steel S1100QL with the Removal of Defective Fragments of Welds Using Mechanical Treatment
The research discussed in the article involved the performance of tests assessing the effect of a one-time and four-time repair welding thermal cycle on mechanical properties of 18 mm thick butt joints made of toughened...
Types of Surface Impurities versus the Quality of Brazed Joints
Brazing is one of the primary joining processes increasingly often applied in industry. Because of their mechanical properties, overlap joints are particularly popular when making brazed structures. The use of brazed joi...