Post-weld in-line digital radiography and eddy current technologies were developed to detect small defects (up to sizes of a few tens of nm) in thin-gauge aluminium and copper interconnections, using modelling and experimental work. Defects that could be detected included porosity, cracks and surface blow holes. Explotable result 1: Eddy Current Inspection of Battery Electrode Welds. - Innovation: Eddy current probe design (micro sized coils), operating procedure for thin metal welds. - Customers target: Users of critical laser welds on thin non-magnetic materials or coatings. - Benefit: Improved inspection allowing operation for thin materials in more critical conditions. Explotable result 2: Thin wall material NDT digital radiography inspection system - Innovation: The ability to inspect laser welded thin material made of Aluminium or copper or composite material can be inspected with this technology. - Customers target: -Solar panel manufactures. - Aircraft manufacturing companies using composite material products. - Benefit: Improvement in product quality with reduced cost or ownership. Risk mitigation with evidence of product quality that reduces liability protection.
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