New developments and major innovations in the field of magnets
Magnets are in demand in everything from clean energy to technology to manufacturing, and today's magnets are driving some of the most innovative products into the future.
At the end of 2016, researchers at the Vienna University of Technology and scientists at the Ministry of Energy's Manufacturing Demonstration Facility successfully 3D printed a magnet. As a viable manufacturing technique, 3D printing is popular for everything from prototyping to custom production runs. In the world of magnets, 3D printing points to important possibilities for a few different reasons. First, 3D printing allows better control over the alignment of the magnetic fields. Sensors typically require magnetic flux lines oriented in intensity in a very specific arrangement, and 3D printing opens the door to small magnets with very precise orientations.
Second, 3D printing produces far less waste during the "manufacturing" process, with the process reducing material waste by up to 50% compared to traditional sintering methods. This is of particular importance for the rare earth elements used in neodymium magnets. Potential 3D printing opens the door to complex shapes, small custom manufacturing runs and little or no tooling costs.
If understanding magnets is confusing you, then nanomagnets are simply amazing, which by definition are "submicron systems that exhibit spontaneous magnetic order (magnetization) at zero applied magnetic field (remanence)". Primarily used as a way to transport, attach or manipulate something in combination with another magnetic field, nanomagnets have played a major role in research in biomedicine and electronics over the past year.
Some amazing uses of nanomagnets: treating cancer cells with targeted heat therapy, delivering drugs to cancer cells, powering high-speed computers and electronics, controlling soft robots, sensing and testing certain elements, such as marijuana.
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