2020
DOI: 10.1002/eng2.12219
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Towards additively manufacturing excavating tools for future robotic space exploration

Abstract: Multiple metal alloys, that is, Ti‐6Al‐4 V, 316 L stainless steel, MS1 maraging steel, A2 tool steel, Inconel 625 with TiC and TiB2 reinforcement, and AMZ4 bulk metallic glass, were additively manufactured through laser powder bed fusion and tested as potential excavating tools for future robotic spacecraft landing on icy planetary bodies. Mechanical specific energy as a function of blade hardness was measured for each excavating tool as it trenched through soft and hard salt, where the salt is a regolith simu… Show more

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Cited by 16 publications
(5 citation statements)
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References 36 publications
(38 reference statements)
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“…As an example, Das et al 46 presented an innovative process for the dispersion of graphene nano‐particles and nickel spheres in the A356 aluminum alloy by the pressure infiltration technique. One of these methods is additive manufacturing, 45,47 which would spread in the near future, more and more.…”
Section: Resultsmentioning
confidence: 99%
“…As an example, Das et al 46 presented an innovative process for the dispersion of graphene nano‐particles and nickel spheres in the A356 aluminum alloy by the pressure infiltration technique. One of these methods is additive manufacturing, 45,47 which would spread in the near future, more and more.…”
Section: Resultsmentioning
confidence: 99%
“…62 An AM Zr-Cu-Al-Nb MG excavating blade showed less expenditure of mechanical energy and smoother penetration (no stalling), attributed to its high hardness. 64 In tests of shielding spacecraft from hypervelocity impacts, interleaved MG sheets survived impacts that the currently used shields did not. 65…”
Section: Spacementioning
confidence: 99%
“…Full-color 3D printing technology has become the trend of additive manufacturing, 1 which has big demand in education, art, manufacturing, construction, and other fields. [2][3][4][5] The traditional 3D printing process only focuses on discretizing a 3D model into two-dimensional slices and ignores the multi-color and multi-material nature of a 3D model. 6,7 This does not meet the development requirements of color 3D printing.…”
Section: Introductionmentioning
confidence: 99%