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Corrosion, Cathodic Protection, Welding & NDT

Inside this lesson
  • Describe the main marine corrosion mechanisms and the corrosion-allowance idea
  • Explain cathodic protection: sacrificial anodes and impressed current
  • Outline the role of welding in joining hull structure
  • Describe the common NDT methods (UT, RT, MPI, DPI) qualitatively

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Educational content covering topics typical of a first- and second-year marine engineering / naval architecture curriculum. Not a substitute for accredited coursework, and not suitable for real vessel design, operation, or safety decisions without review by a licensed professional engineer. References to classification societies, SOLAS, or MARPOL are descriptive context only, not compliance guidance.