100 Year Package - Metallurgical Testing of Outer Can Scope of Work

The 100 Year Package Outer Can presents a number of areas of interest for metallurgical and mechanical characterisation. These areas can be classed as; I. The deep draw can body itself (inside and outside surfaces) and any surface treatment (e.g. aqua blasting) used to relieve stress. II. The closure weld and heat effected zone III. The bar code or any similar feature used to identify the can. These areas can be characterised in a number of relatively simple ways: a. Crystallographic phases by x-ray diffraction (has the can manufacture introduced other phases which may influence the lifetime of the package ) b. Surface finish/topography (sites to initiate corrosion) c. Microstructure …

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