Mechanical Properties of Welding Joints Using Tungsten Arc Welding (Tig) at Different Dc Current

Ridha, Munaf Hashim; Razooqi, Ahmed Ibrahim; Ismail, Muammar Ibrahim

doi:10.26480/jmerd.04.2019.32.36

Cited by 2 publications

(1 citation statement)

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“…In this study, it was discovered that TIG welding joints made with variable DC current had better tensile strength, elongation, and hardness compared to some of the prepared sheet metals that were shot peened with steel balls with a diameter of 1.25mm for 30 minutes before welding, then to be welded at the same welding conditions. The improvement of the mechanical performance was achieved by utilising this changing DC current the characteristics of those specific welded junctions [7]. The morphology, microstructure, and mechanical properties of the 5803 aluminium alloy were studied for the laser beam oscillating welding features in another work by Shangren Li et al (2020).…”

Section: Introductionmentioning

confidence: 99%

Optimize the process parameters of wire EDM and to analyse the welding characteristics of tig welding joints using AISI 308

Kumarswamy,

Ganesh,

Kumar

et al. 2023

E3S Web Conf.

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Wire Cut EDM technique is widely used to make small and precision cuts. Generally, a material with fragile geometry and hard structure is cut using a wire cut EDM. The main advantage of this method is that, it is a non-conventional machining process therefore it does not have a contact between the tool (wire) and the workpiece. This advantage gives it an edge over other machining techniques and it makes the process capable of machining even the weak structured and delicate materials. In the present experimental work, by using various machining parameters (Pulse on Time, Pulse off Time, and Wire Speed) were optimized using Taguchi’s L9 orthogonal array. Welding is most the important industrial processes, therefore lots of techniques have been developed to get an efficient and low-cost welding process for different types of materials. In this we will discuss about the welding characteristics of the of tig welding joints produced using different currents. That is, by changing the voltages for the number of passes to improve and strengthen the welded joint The research work aims to optimize the wire cut EDM process parameters for AISI 308 steel and analyze the welding characteristics of Tungsten Inert Gas (TIG) welded joints of the same material. The study intends to find the optimum combination of process parameters that would lead to the highest material removal rate, lowest wear rate, and best tensile properties of the material.

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Section: Introductionmentioning

confidence: 99%