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Negative Additive Manufacturing of Complex Shaped Boron Carbides

Negative Additive Manufacturing of Complex Shaped Boron Carbides

Article DOI: 10.3791/58438 06:45 min September 18th, 2018
September 18th, 2018



A method called negative additive manufacturing is used to produce near fully dense complex shaped boron carbide parts of various length scales. This technique is possible via the formulation of a novel suspension involving resorcinol-formaldehyde as a unique gelling agent that leaves behind a homogenous carbon sintering aid after pyrolysis.



Negative Additive Manufacturing AM Cost-effective Method Ultra Hard Dense Ceramic Parts Complex Shapes Traditional Casting Methods Aerogel Gelling Agent Shrinkage Carbon Source Sintering Pyrolysis Gel Casting 3D Printed Molds Resorcinol Formaldehyde Gelling Agent Carbon Bearing Systems Suspension R Mix F Mix Polyethyleneimine Water Planetary Mixer Resorcinol Powder Formaldehyde Solution Boron Carbide Powder Acetic Acid
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