In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
Detailed guide to martensite morphologies in steel. Covers lath martensite (low/medium C), plate martensite (high C), midrib, internal twinning, retained austenite, and relationship to hardness and toughness.
Technical guide to Widmanstätten ferrite in steels. Covers sympathetic nucleation, intragranular vs grain boundary WF, ferrite side plates, effect on toughness, and controlling formation by heat input.
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.
Comprehensive guide to corrosion testing methods. Covers weight loss coupon testing, polarisation curves, EIS, salt spray ASTM B117, and ASTM G48 for stainless steels.
Technical guide to creep and stress rupture testing. Covers creep stages, Andrade creep law, Larson-Miller parameter, stress rupture life prediction, and data for nickel alloys and creep-resistant steels.
Technical guide to investment casting of nickel superalloys. Covers wax injection, ceramic shell building, directional solidification (DS) and single crystal (SX) casting, grain selector, and common defect types.
Technical guide to arc spraying and wire flame spraying. Covers arc spray process physics, ZnAl alloy wire for marine corrosion protection, mild steel overlay for dimensional restoration, and TSA (thermal-sprayed aluminium) for offshore.
Technical guide to cobalt-free cemented carbide hard metals. Covers Co toxicity, WC-Ni and WC-Fe properties vs WC-Co, nickel binder CALPHAD design, and applications in food, medical, and wear parts.
Technical guide to steels for cryogenic service. Covers 9Ni steel for LNG storage, Invar (36Ni) for precision structures, and austenitic 304L/316L for liquid N₂/O₂ service — properties, fracture toughness, and design.
Complete engineering tribology guide. Covers Stribeck curve, boundary/mixed/hydrodynamic lubrication, adhesive wear (Archard equation), abrasive wear, and material/coating selection for tribological applications.