In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
Technical guide to aluminium welding metallurgy. Covers hot cracking susceptibility by alloy series, hydrogen porosity prevention, HAZ softening, filler selection (4043/5356), and MIG/TIG procedures.
Comprehensive guide to weld defects. Covers solidification cracks, porosity, lack of fusion, undercut, cold cracks, lamellar tears — causes, detection methods, and acceptance criteria per ISO 5817 and ASME IX.
Technical guide to welding austenitic stainless steels. Covers sensitisation, carbide precipitation, delta ferrite, hot cracking, WRC diagram, and filler metal selection for 304, 316, and 321.