Knowledge Base
Free Vickers to Rockwell C hardness converter per ASTM E140-12b. Convert HV to HRC or HRC to HV with also Brinell HBW and approximate UTS. Includes ASTM E140 quick reference table for steels.
Free steel hardness conversion calculator. Convert HRC, Vickers HV, Brinell HBW, and Rockwell HRB per ASTM E140. Also estimates approximate tensile strength (UTS) from hardness for steels.
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.
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 digital image correlation (DIC) for full-field strain measurement. Covers speckle pattern preparation, subset correlation algorithms, applications in tensile testing, fracture mechanics, and weld deformation mapping.
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.
Comprehensive NDT comparison guide. Covers ultrasonic testing (UT), radiographic testing (RT), magnetic particle (MT), dye penetrant (PT), and eddy current (ET) — capabilities, limitations, and defect detection.
Complete guide to hardness testing methods. Covers Vickers, Rockwell, Brinell, and Knoop microhardness — indenter geometry, load selection, scale conversion, and applications in heat treatment QC.
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.