In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
Complete guide to precipitation-hardening (PH) stainless steels. Covers 17-4 PH and 15-5 PH composition, H900/H1150 heat treatment conditions, mechanical properties, and aerospace/medical applications.
Technical guide to 52100 (100Cr6/SUJ2) bearing steel. Covers carbide network control, austenitising temperature effect on retained austenite, cryogenic treatment, and rolling contact fatigue life.
Technical guide to the unique microstructures produced by laser powder bed fusion (L-PBF/SLM). Covers epitaxial grain growth, columnar-to-equiaxed transition, melt pool morphology, residual stress, and heat treatment for Ti-6Al-4V and 316L.
Technical guide to crystallographic texture in metals. Covers deformation and recrystallisation textures, pole figures, ODF, Goss texture in electrical steel, cube texture in Al foil, and anisotropy in sheet forming.
Technical guide to corrosion fatigue in engineering alloys. Covers crack initiation by pitting, corrosion fatigue crack growth rate enhancement, threshold stress intensity, and material/environment interaction for steels and aluminium.
Comprehensive guide to hydrogen in steel. Covers absorption sources, lattice diffusion vs trapping, reversible/irreversible traps, HEDE and HELP mechanisms, and practical prevention in welding and electroplating.
Technical guide to liquid metal embrittlement (LME). Covers atomic bonding mechanism, classic LME systems (Hg-brass, Ga-Al, Pb-steel), grain boundary penetration, temperature and stress requirements, and industrial prevention.
Complete guide to vacuum and inert atmosphere brazing. Covers BNi, BAg, and BCu filler selection, joint clearance design, furnace cycles, and applications in stainless heat exchangers, carbide tooling, and aerospace.
Comprehensive guide to metallurgical failure analysis methodology. Covers the systematic investigation process, SEM fractography, fracture mode identification, metallographic examination, root cause determination, and corrective action specification.
Complete guide to metal fatigue — S-N curves, Goodman diagram, stress concentration factors, fatigue crack propagation, and prevention strategies for engineering components.