welding defects
Weld Cracks: Hot vs Cold Cracking — Causes & Prevention
Hot cracks, cold (hydrogen) cracks, lamellar tearing: how each weld crack type forms, why ISO 5817 permits none of them, and the prevention levers that work.
Welding Blog: Thermography, AI Detection, and Traceability
Research‑grade articles on infrared thermography in welding, AI defect detection, cooling rates (T8/5), compliance, and ROI.
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welding defects
Weld Spatter: Causes, ISO 5817 Acceptance & How to Reduce It
Why weld spatter forms in MIG/MAG (globular transfer, CO2, feed faults), when adherent spatter must be removed under ISO 5817, and six fixes that cut it.
welding defects
Welding Defects: Types, Causes, ISO 5817 Acceptance Criteria
Welding defects by ISO 6520-1 group: cracks, porosity, lack of fusion — causes, which NDT method finds each, the four ISO 5817 never permits at any level.
welding
IATF 16949 Welding Requirements: Special Characteristics, CQI-15 & Control Plans
How IATF 16949 Clause 8.5.2 governs welding as a special process: special characteristics, control plans, CQI-15 link, and what auditors verify.
welding
Continuity Log for Welders: ISO 9606-1 Template, 6-Month Rule
What a continuity log for welders must contain under ISO 9606-1: the 6-month activity rule, the 2-year confirmation, and a PDF continuity record template.
welding
EN 15085 Certification Levels CL1–CL4: What Auditors Check
Which EN 15085 level each railway welding joint needs: CL1–CL4 by consequence of failure, the ISO 3834 part it forces, CP/CT classes, and what auditors check.
welding
Magnetic Particle Testing (MT) of Welds: Procedure & Limits
Magnetic particle testing (MT) of welds explained: method, procedure, EN ISO 17638 and EN ISO 23278 acceptance levels, and a defect decision matrix.
ndt
Phased Array Ultrasonic Testing (PAUT) for Weld Inspection
PAUT weld inspection explained: probe setup, scan types, defect sizing, and acceptance criteria per ISO 17640 and ISO 13588. Practical B2B guide.
welding
Welding WPS Software: Free vs Paid Tools Compared for 2025
Free vs paid WPS software for welding: ISO 3834, EN 15085, ASME Section IX. Which tier fits your certification scope. Decision table and buyer checklist.
