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The current best practices are discussed in detail, as well as the limitations, challenges, and potential research and commercial opportunities moving forward. The target audience includes new users, focusing on graduate and undergraduate students however, this book can also serve as a reference for experienced users as well, including senior researchers and engineers in industry. Fundamentals of Laser Powder Bed Fusion of Metals will provide the fundamental principles in a broad range of topics relating to metal laser powder bed fusion. After decades of research and development, laser powder bed fusion is now enabling a new era of digitally driven manufacturing. With an increase in design freedom brought to bear by additive manufacturing, new opportunities are emerging for designs not possible previously and in material systems that now provide sufficient performance to be qualified in end-use mission-critical applications. The technology is currently transforming aerospace and biomedical manufacturing and its adoption is widening into other industries as well, including automotive, energy, and traditional manufacturing. Laser powder bed fusion of metals is a technology that makes use of a laser beam to selectively melt metal powder layer-by-layer in order to fabricate complex geometries in high performance materials. Categories: Business & Economics Fundamentals of Laser Powder Bed Fusion of MetalsĪ survey conducted by Wohlers Report ( 2020) asked service providers, machine manufacturers, and producers of materials and desktop 3D printers which industry they serve and the approximate revenues in percent they receive. And this time, unlike any previous historical epoch, we have the Cloud amplifying everything. But the great convergence now underway will ignite the 2020s. We have wrung much magic from the technologies that fueled the last long boom. Over history, that’s only happened a few times. It always takes convergent revolutions in technology’s three core spheres-information, materials, and machines. Single inventions don’t drive great, long-cycle booms. The technological revolution that drove the great economic expansion of the twentieth century can be traced to a similar confluence, one that was first visible in the 1920s: a new information infrastructure (telephony), new machines (cars and power plants), and new materials (plastics and pharmaceuticals). Accelerating and enabling all of this is the Cloud, history’s biggest infrastructure, which is itself based on the building blocks of next-generation microprocessors and artificial intelligence. And machines, which make and move all manner of stuff, are undergoing a complementary transformation. Materials, from which everything is built, are emerging with novel, almost magical capabilities. Microprocessors are increasingly embedded in everything. But according to Mills, a convergence of technologies will instead drive an economic boom over the coming decade, one that historians will characterize as the “Roaring 2020s.” It will come not from any single big invention, but from the confluence of radical advances in three primary technology domains: microprocessors, materials, and machines. A third believes that the only technological revolution that matters will be found with renewable energy and electric cars. Another foresees a dystopian era of widespread, digitally driven job- and business-destruction. One considers today as the “new normal,” where ordering a ride or food on a smartphone or trading in bitcoins is as good as it’s going to get. The mainstream forecasts fall into three camps. Mark Mills lays out a radically different and optimistic vision for what’s really coming. The conventional wisdom on how technology will change the future is wrong. 34 “Senvol Database Material Trend Analysis in Wohlers Report 2020.” Senvol, March 25, 2020. How the Convergence of New Technologies Will Unleash the Next Economic Boom and A Roaring 2020s Mark P.