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Microstructural and Mechanical Changes in the Weld Metal, Heat-Affected Zone (HAZ), and Fusion Boundary

Aygün Karaköse
in Theory
1 0 Intermediate
Welding is a widely used process in manufacturing, construction, and heavy industry. During welding, the material is exposed to localized high temperatures that significantly affect not only the weld metal but also the surrounding regions. These include the Weld Metal, the Heat-Affected Zone (HAZ), and the Base Metal. Each of these zones undergoes different thermal cycles and consequently exhibits different microstructural transformations, mechanical properties, and residual stresses. Understanding these transformations is crucial for ensuring the integrity and performance of welded components.
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🔩 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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