Where possible
the working of the metal is such that metal flow is in the most favourable
direction with regard to the mode of stressing in service. Subsequent heat
treatment is required, preferably annealing or normalizing and tempering
to remove effects of working and non-uniform cooling.
Further Reading
Lloyds Register – Rules and Regulations for the Classification of Ships
2004, Part 2 – Rules for the Manufacture, Testing and Certification of
Materials.
Lloyds Register – Provisional Rules for the Application of Sandwich Panel
Construction to Ship Structure.
Some Useful Web Sites
www.ie-sps.com for more information about SPS systems.