In-depth articles on metallurgy, materials science, and metal processing — written for engineers and learners alike.
Free galvanic corrosion risk estimator based on the galvanic series in seawater. Select two metals to assess corrosion risk level, identify the anode, evaluate area ratio effects, and get engineering recommendations for prevention.
Free Jominy hardenability calculator for steel. Estimates ideal critical diameter D_I and end-quench hardness profile from steel composition using the Grossmann method. Includes Jominy position to cooling rate and section size reference table.
Step-by-step tutorial on interpreting weld inspection reports. Covers visual inspection records, UT/RT defect reports, hardness test results, and acceptance/rejection criteria per ISO 5817 and ASME IX.
Technical guide to atom probe tomography (APT) in metallurgy. Covers field evaporation, reconstruction algorithm, cluster analysis, GP zone measurement in aluminium alloys, and solute drag on grain boundaries.
Technical guide to transformation toughening in zirconia ceramics. Covers tetragonal-to-monoclinic transformation, stress-induced transformation, Y-TZP, Mg-PSZ, ZTA composites, and applications in dental crowns and cutting tools.
Complete guide to residual stress in welded joints. Covers sources of weld residual stress, tensile/compressive distributions, XRD and neutron diffraction measurement, PWHT reduction, and BS 7910 fitness-for-service assessment.
Step-by-step tutorial on interpreting weld symbols on engineering drawings. Covers AWS A2.4 and ISO 2553 symbol systems, reference line, arrow side vs other side, supplementary symbols, and weld size specification.
Step-by-step tutorial on material traceability in steel fabrication. Covers EN 10204 certificate types (3.1, 3.2), heat number tracking, PMI verification, NACE sour service traceability, and documentation control.
Free online welding preheat temperature calculator per EN 1011-2 CEN Method B. Enter steel composition, thickness, and hydrogen content to get minimum preheat temperature for cold-crack prevention.
Free online carbon equivalent calculator. Computes CE(IIW) and Pcm from steel composition with weldability classification. Essential tool for welding engineers and fabricators.