Sigma Labs Inc (SASI)

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Looks like if you use EBM you will be able to control......

ORNL’s EBM Discovery ‘Potentially the Most Important Development in Metal Additive Manufacturing’ to Date

“We can now control local material properties, which will change the future of how we engineer metallic components,” Dehoff said. “This new manufacturing method takes us from reactive design to proactive design. It will help us make parts that are stronger, lighter and function better for more energy-efficient transportation and energy production applications such as cars and wind turbines.”