Gradient printing of energetic materials – First results
van Driel, C.A.
den Otter, J.H.
van Lingen, J.N.J.
In recent years, the amount of research being performed in the field of additive manufacturing of energetic materials has increased tremendously. Many institutions across the globe are developing new materials and techniques for 3D-printing of propellants, thermites, explosives, etc. Groven and Metzger  provide an excellent overview of recent advances in the field. A lot of research has been performed at university level, noticeably at the South Dakota School of Mines and Purdue University, where research topics range across various materials and techniques [2-4]. Recently, researchers from the Indian Institute of Science in Bangalore presented their work on additive manufacturing of AP/HTPB propellants . In addition to academic institutions, the Lawrence Livermore and Los Alamos National Laboratories have also achieved some impressive results [6-8]. TNO has been active in the field of additive manufacturing (AM) of energetic materials since 2013 . Our work on stereolithography-based printing of gun propellants led to a demonstrator firing of a 30 mm weapon in 2016. Prototype products printed using the same technique and material are currently being tested by several
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Defence, Safety and Security
31st International Symposium on Ballistics, Hyderabad, India, 3-8 November 2019, 62-73