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David Maass is President of Flightware, a firm that performs research
and development in specialty materials and processes in the aerospace
and defense industry. He has more than forty years’ experience working
with several defense contractors in both employee and consulting
capacities. He founded a small business that performed contract R&D
and manufactured flight-critical parts for aircraft and spacecraft
platforms. Mr Maass’ experience includes materials, processes, quality
assurance, and automation. More recently, he has turned his attention to
metal additive manufacturing because of the potential for disruptive
impact in aerospace and defense, and the associated challenges to
convert that promise into reality. His focus is not only on the
technology but how it can be leveraged and inserted into the industry to
advance the state of the art. He holds bachelors and master of science
degrees in aeronautics and astronautics from MIT.
Demonstration of Closed Loop Inspection and Repair Using Layer Topographic Mapping with L-PBF
AM in-process inspection methods like melt pool monitoring typically don’t provide accept/reject guidance. When flaws are detected, they don’t provide the operator with the instructions to repair the flaw and salvage the build where this may be possible.