1. IntroductionForming of metals through plastic deformation is a family of methods that produce componentsthrough re-shaping of input stock, oftentimes with little waste. Therefore, forming is one of the mostefficient and economical manufacturing process families available. A myriad of forming processesexist in this family. In conjunction with their countless existing successful applications and theirrelatively low energy requirements, these processes are an indispensable part of our future. However,despite the vast accumulated know-how, research challenges remain, be they related to forming ofnew materials (e.g., for transportation lightweighting applications), pushing the envelope of what isdoable, reducing the intermediate steps and/or the scrap, or further enhancing the environmentalfriendliness. The purpose of this Special Issue is to collect expert views and contributions on the currentstate-of-the-art on plastic forming, and in this way to highlight contemporary challenges and to offerideas and solutions were possible.
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