Sustainability scores can be used to assess manufacturing strategies, going one step beyond a standard economic assessment. This work uses previously proposed methodology evaluate two of the most common welding processes for aluminium alloys that are specifically in fabrication components transport industry based on their advantages generating lightweight and dimensionally efficient parts. For ...

The general principles behind the global mechanical tensioning technique for controlling weld residual stresses are examined using a finite lement model to follow their evolution throughout the welding process. While we focus specifically on friction stir welding, the tool is represented imply as a heat source. As a result, the findings have relevance to a wide range of welding processes. For a...

The widespread application of thermoplastic polymers in different aspects of industries has motivated researchers and companies to improve and upgrade their forming, joining and assembling processes to overcome their limitations. One of the newest joining methods of thermoplastics is friction stir welding which is based on frictional heat generated through contact between a rotating tool and th...

Underwater friction stir welding (UWFSW) is an advancement of conventional welding, which performed in air. The need for underwater calls more information to be explored the different materials. aim this research investigate UWFSW 2 mm titanium sheet joints their tensile and microstructural properties compare them with results (FSW) Also, nondestructive tests, such as radiography dye penetrant ...

Friction Stir Welding (FSW) has been applied to AA5754-H111 alloy. An in-depth analysis of the influence of the process parameters has been performed using Taguchi method. Through the optimization of the process parameters it has been observed what the best process conditions for the different mechanical properties. It was observed that for tensile properties the best that lower advancing speed...

− In this paper a new non-destructive testing (NDT) system focusing on micro size superficial defects in metals is presented. The innovative system is composed by a new type of eddy currents probe, electronic devices for signal generation, conditioning and conversion, automated mechanized scanning and analysis software. The key original aspect of this system is the new type of eddy currents pro...

Friction stir welding and processing (FSW/FSP) involves severe plastic deformation of metals or polymers at high temperature around a rotating tool. The material’s flow is usually modelled by FEM using complex combination thermomechanical friction models. However, the description behavior first atomic layers in contact with tool cannot be undertaken continuum mechanics modelling such as FEM. Am...

In this work, three mathematical models for the heat generation during bobbin tool friction stir welding (BT-FSW) of aluminum using pin geometries have been proposed. The utilized and updated available conventional (CT-FSW). For validation models, BT-FSW experiments carried out alloy AA1050 different (cylindrical, square, triangular), at speeds 200, 400, 600, 800, 1000 mm/min a constant rotatio...