Page 116 - Ship Construction.DJ Eyres 6Ed
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Ch10-H8070.fm Page 105 Wednesday, October 18, 2006 7:37 AM
Resulting pull out INADEQUATE CROSS-SECTION Small spherical cavities called ‘porosity’ Root not properly back gouged
Lamellar tear in non-metallic stringer UNDERBEAD CRACKING GAS ENTRAPMENT Long cavities called ‘pipes’ SLAG INCLUSIONS Inclusions between weld passes not cleaned out
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LAMELLAR TEARING
งานห้องสมุด ศูนย์ฝกพาณิชย์นาวี
CRATER CRACKS
ึ Weld faults
FIGURE 10.5
EXCESSIVE REINFORCEMENT
OVERLAP UNDERCUT LACK OF REINFORCEMENT LACK OF PENETRATION LACK OF FUSION
