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Sheffield Forgemasters will lead a consortium of partners in a research-and-development project to explore the industrialization of electron-beam welding (EBW) in civil nuclear assemblies, with the potential to integrate welding into the manufacturing process. The Sheffield, U.K., company will install an electron-beam welder capable of welding 3-meter-diameter cylinders under localized vacuum and without traditional welding preparation, offering narrower welds than traditional methods plus the ability to weld as part of the manufacturing process, prior to quality heat treatment. It will then manufacture a civil nuclear component to demonstrate a full-sized (4.3 meters high x 3 meters diameter) small modular reactor pressure vessel and also produce several grades of steel alloys suitable for civil fission and fusion nuclear applications within the project's research element.
This article covers the vexing problem of properly cooling forged microalloyed steels. This first of two parts will discuss the technical and business benefits of forged microalloyed steels.
