Investigation on Surface Hardness and Microstructure Evolution in AA 7075-T651 Multi-Layered Laminate Fabricated Through Friction Stir Additive Manufacturing

Microstructural Evolution in Friction Stir Welding of Dissimilar AA6061 and AA5182-H34 Alloys and Impact on Residual Stress, Material Flow, and Intermetallic Formation

Microstructure, crystallographic texture, and enhanced wear and hardness properties of 2 wt.% Nb-modified 316L stainless steel fabricated by wire arc additive manufacturing at different deposition orientations

Wire Arc Additive Manufacturing (WAAM) has become a highly dependable manufacturing technique in the 21st century due to its cost-effectiveness, shortened production time, and reduced material wastage. Compared with other additive manufacturing techniques such as selective laser melting and electron beam electron bea...

Friction Stir Welding of Rapidly Solidified 6082 Alloy: Microstructure and Mechanical Properties

This study investigates the microstructure and mechanical properties of friction stir welded (FSW) joints produced from AA6082 alloy fabricated by rapid solidification and hot extrusion. The base material exhibited a homogeneous microstructure with a fine average grain size of ~1.3 µm, significantly lower than the 5.5...

Influence Friction Stir Processed Parameters of Magnesium Alloy with the Reinforcement of Nano-TiO2

Friction Stir Processing (FSP) is a solid-state material modification technique characterized by severe plastic deformation (SPD) and localized heat generation due to friction. This process is highly effective in refining the grain structure of metals, alloys and structural treatment of weldment specially in marine app...

Effect of Inhomogeneous Nugget on Weld Performance in Resistance Spot Welding of HPDC AlSi7MnMg — Part 1: Material Characterization

High-pressure die-cast (HPDC) aluminum alloys are widely regarded as a promising material for next-generation lightweight automotive structures. Compared to large, integrated die-cast bodies, adopting a modular design in which multiple small castings are joined by resistance spot welding can significantly reduce both m...

Tailoring microstructure, mechanical properties, and wear of LPBF-fabricated H13 tool steel through post-heat treatment

Laser Powder Bed Fusion (L-PBF) has emerged as a transformative additive manufacturing technique, offering the capability to fabricate complex geometries and customized components directly from digital models. Its application in producing H13 tool steel dies for hot work tooling presents a promising alternative to conv...