Tutorials

How to Calculate Element Percentage in Weld Bead Using Dilution Formula

Aygün Karaköse
in Theory
3 0 Expert
This tutorial explains how to calculate the percentage of a specific alloying element (e.g. C, Mn, Cr, Ni) in a weld bead based on contributions from base metal, filler metal, and other additives. This calculation is critical in welding metallurgy to predict the final chemical composition of the weld and ensure mechanical properties meet standards.
weldingengineer weld

Electrode and Wire Classifications in Arc Welding: A Technical Overview

Aygün Karaköse
in Theory
1 0 Intermediate
arc welding processes such as SMAW (Shielded Metal Arc Welding), MIG (Metal Inert Gas), TIG (Tungsten Inert Gas), and MAG (Metal Active Gas), electrodes and wires are classified and coded according to international standards. These designations help welders select the appropriate consumables to ensure weld quality and suitability for specific applications. This article explains common electrode and wire classification systems with representative examples and their meanings.
weldingengineer weld

A Technical Review on Weld Joint Preparation Designs, Welding Processes, and Welding Positions

Aygün Karaköse
in Theory
0 0 Intermediate
Welding is an indispensable joining method in modern manufacturing and construction. The quality of a welded joint is influenced not only by the welder’s skill but also by the proper selection of the welding process, welding position, and most critically, the weld joint preparation. The geometry of the joint preparation directly affects the penetration depth, heat distribution, weld metal behavior, and the presence of welding defects. This paper presents a technical review of weld joint designs, welding process classifications, and welding positions in accordance with EN ISO 9692 series, EN ISO 4063, and EN ISO 6947 standards.
weldingengineer weld

🔧 Arc Transfer Modes in MIG Welding: Short Arc, Spray Arc, and Globular Transfer

Aygün Karaköse
in Theory
0 0 Expert
MIG (Metal Inert Gas) welding has become one of the most widely used welding processes in modern industry due to its high efficiency, automation capability, and compatibility with various materials. However, the type of arc transfer used in MIG welding plays a critical role in welding performance and quality. In this article, we explore the three main arc transfer modes in MIG welding: Short Arc, Spray Arc, and Globular Transfer — each with its own advantages and limitations. 🎯
mig weld weldingengineer

🔩 Block Segregation and Terrace Fracture in Welded Joints: The Hidden Dangers Introduction

Aygün Karaköse
in Theory
0 0 Intermediate
A weld seam isn’t just a shiny metallic line on the surface. Beneath it lies a world of microstructures and processes that shape the fate of the material. In welding engineering, some invisible phenomena can lead to very visible problems. In this article, we will explore two often-overlooked yet critical concepts: block segregation and terrace fracture.
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