The Air Force and engine builder Pratt & Whitney, East Hartford, Conn., completed a $21 million, fleet-wide retrofit effort for the F-22 Raptor’s dual F119 engines, after identifying a fatigue issue with turbine blades that led to seven class A mishaps, nearly $23 million in damages, but no operational interruption.
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N95 masks are in short supply and high demand, reusable, sterilizable metal filters for masks built using 3D microstructural characterization and simulation methods are a promising alternative. In this digital-first article from Advanced Materials & Processes, ASM International’s flagship magazine, learn about a collaboration of researchers who fabricated, characterized, and modeled binder jet 3D-printed copper and stainless-steel metal mask filters, creating a streamlined process for their development and assessment.
Continue readingExperts in the fields of metallurgy and microbiology say that copper can be a powerful weapon in the current fight against COVID-19. They believe it can also help curtail future pandemics if utilized properly. In this digital-first article from Advanced Materials & Processes, ASM International’s flagship magazine, the authors recommend the expanded use of copper alloys in public spaces to reduce the spread of COVID-19 and other infectious diseases.
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