SHIP WELDING


General Info



Course Content / Syllabus


About Welding in general: Advantages and Disadvantages of Welding, Classification of Welding Methods, General Principles of Fusion Welding, Joint Design, Welding Symbols, Welding Positions. Modern welding methods: Arc welding and oxygen cutting, Shielded metal arc welding, Tungsten electrode (gas protection) arc welding, Gas metal arc welding, Submerged arc welding, Vertical fusion welding methods. Selection of welding methods. The use of different welding methods in Shipbuilding. Regulations of the Classification Societies. Residual stresses in welding. Deformations of welded structures. Methods of reducing deformations. Welding defects. Welding control. Non-destructive methods. Welding Strength calculations and dimensioning. Calculation of welding costs. The course also provides laboratory hours in which students, after practicing, are evaluated in performing welds as follows: 1. Arc ignition and arc maintenance. 2. Bead on plate welds in flat position. 3. Butt joint welds of 5,0 mm thick steel hull plates in flat position. 4. Fillet welds of 5,0 mm thick steel hull plates in horizontal position. 5. Lap joint welds of 5,0 mm thick steel hull plates in flat position. 6. Corner joint welds of 5,0 mm thick steel hull plates in horizontal position. 7. Butt joint welds of 5,0 mm thick steel hull plates in horizontal position. 8. Butt joint welds of 5,0 mm thick steel hull plates in vertical-up position. 9. Oxy-fuel cutting. 10. MIG. 11. TIG. 12. Butt Welding of pipes. 13. Branch connection welds. Students are aware of what exactly they will be asked to perform/execute days before the Lab. Students also familiarized with the visual welding inspection equipment and the liquid penetrant / magnetic particle inspection methods. The welding inspection methods of eddy currents, ultrasonic and x-ray are also presented.


Course Outline



  1. G.B. = General Background, S.B. = special background, S.: Specialised.↩︎