In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
Technical guide to ultra-high strength steels (UHSS). Covers 4340, 300M (200 ksi), AerMet100 and AF1410 — composition, vacuum melt, heat treatment, fracture toughness, and aerospace/defence applications.
Complete guide to fracture toughness testing. Covers K_IC linear elastic fracture mechanics, CTOD testing, J-integral elastic-plastic fracture, specimen geometry, and offshore structural steel qualification.
Free linear elastic fracture mechanics (LEFM) calculator. Computes critical crack size from K_IC and applied stress, required K_IC for a known crack, and safety factor assessment per BS 7910 approach.
Technical guide to Charpy V-notch and Izod impact testing. Covers specimen geometry, test procedure, DBTT curve, lateral expansion, shear fracture appearance, and acceptance criteria for structural steels.