From recycled machining waste to useful powders : sustainable fabrication and utilization of feedstock powder for metal additive manufacturing
Gas atomized (GA) powders are the most common feedstock for state-of-the-art metal additive manufacturing (AM) technologies because of their spherical morphology and controllable particle size distribution. However, significant resource consumption, e.g., energy and inert gas, are required to produce GA powders, leading to high costs and limited availability in alloy compositions. To fulfill the growing demand for alternative and sustainable feedstock production for metal AM, my research aimed to explore a mechanical milling strategy to fabricate 304L stainless steel powders from recycled machining ...
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