Abstract For welding temperature field, stress and strain field in fillet joints, using the double ellipsoid heat source, ABAQUS software platform is used to simulate analyze process of joints with four different application sequences. By setting up observation points, study analyzed distribution simulated for these cases. The results show that vertical weld direction, sequence has a large effe...

Welding is one of the most widely used metal joining techniques. However, improper technique and handling may lead to weld defects. Cracks that occur during exploitation welded joints in places increased stress concentration are called fatigue cracks. In our previous study, we suggested lowering zone face prevent surface cracks butt-welded joints. Here, further examined how welding heat input e...

Weld line fracture of butt-welded strips in stainless steel continuous rolling has been studied by numerical simulation using ForgeNxT®. The plan includes weld geometry as well metal constitutive model parameters. damage criterion used is the non-dimensional Latham & Cockroft function near singular points line. Results are confronted to qualitative observations frequency and initiation loci...

This research paper presents the mathematical model to design a stepped pin profile tool and its durability index. A is being developed by considering tools that should generate same heat as conventional conical varying shoulder diameter ratio (D/d). Aluminum alloy AA6061-T6 with thickness of 6 mm fabricated using butt-type weld configuration newly water cooling medium. The result shows better ...

The present paper describes fuzzy logic simulation of shielded metal arc welding (SMAW) process to predict the Quality of weld joint. It describe the quality of weld joint & effect of welding current, voltage and welding speed on tensile strength of shielded metal arc pipe welded mild steel joints. An ERW Mild steel pipe I S 1239 of 6 mm thickness and 150 mm diameter were used as the base mater...

Abstract At present, there are few researches on laser -MIG arc hybrid welding with a large butt gap. In this paper, laser-MIG is used to weld low-alloy high-strength steel thickness of 3 mm, and process under gap conditions developed. This paper studies the effects voltage, laser-wire distance, wire feed speed bridging capability different butting gaps. Under condition 1 mm gap, influence mech...

In order to ensure high weld qualities and structural integrity of engineering structures, it is crucial detect areas stress concentrations along seams. Traditional inspection methods rely on visual manual geometry measurements. Recent advances in the field automated measurement techniques allow virtually unrestricted numbers inspections by laser measurements profiles; however, compare differen...