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Innovative RP Technologies for Building Construction

Discover the groundbreaking Selective Inhibition Sintering (SIS) technique developed at the University of Southern California. This process involves treating sintered powder particles with a sintering inhibitor to create complex shapes with precise details. Explore the pioneering research on using inhibitors like cooking oil and water/alcohol mix to create ceramic and plastic parts. From elementary parts to lunar construction potential, this research presents a new frontier in advanced manufacturing.

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Innovative RP Technologies for Building Construction

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  1. USC SFF Process B. Khoshnevis UNIVERSITY OF SOUTHERN CALIFORNIA

  2. Commercialized RP Technologies UNIVERSITY OF SOUTHERN CALIFORNIA

  3. Selective Inhibition Sintering (SIS) UNIVERSITY OF SOUTHERN CALIFORNIA

  4. Break-away surface Sintered powder Sintered powder Particles treated with sintering inhibitor The working of sintering inhibitor UNIVERSITY OF SOUTHERN CALIFORNIA

  5. Preliminary experiment Built in one afternoon with an electric heater filament and a light dimmer. UNIVERSITY OF SOUTHERN CALIFORNIA

  6. Sintered layer Holes due to inhibitor Printed inhibitor Separated sections Preliminary Results Single-layer experiments with polystyrene powder Inhibitors: - Cooking oil - Water+alcohol UNIVERSITY OF SOUTHERN CALIFORNIA

  7. Use of a halogen lamp heater Drive electronics The Alpha Machine UNIVERSITY OF SOUTHERN CALIFORNIA

  8. Sintering by Nichrome Pivoting Heater UNIVERSITY OF SOUTHERN CALIFORNIA

  9. The Alpha Machine Desk top size UNIVERSITY OF SOUTHERN CALIFORNIA

  10. Driver software Interface UNIVERSITY OF SOUTHERN CALIFORNIA

  11. Sample Parts UNIVERSITY OF SOUTHERN CALIFORNIA

  12. 2.5 D Parts UNIVERSITY OF SOUTHERN CALIFORNIA

  13. 3D parts UNIVERSITY OF SOUTHERN CALIFORNIA

  14. Moldless Powder Metallurgy (MPM) UNIVERSITY OF SOUTHERN CALIFORNIA

  15. UNIVERSITY OF SOUTHERN CALIFORNIA

  16. UNIVERSITY OF SOUTHERN CALIFORNIA

  17. UNIVERSITY OF SOUTHERN CALIFORNIA

  18. The MPM-Metal machine UNIVERSITY OF SOUTHERN CALIFORNIA

  19. Elementary parts Simple copper part made with ceramic inhibitor Copper Part with complex geometry and sharp edges UNIVERSITY OF SOUTHERN CALIFORNIA

  20. Scaling upFrom Fabrication to Construction UNIVERSITY OF SOUTHERN CALIFORNIA

  21. UNIVERSITY OF SOUTHERN CALIFORNIA

  22. CCContour Crafting UNIVERSITY OF SOUTHERN CALIFORNIA

  23. Flow analysis for nozzle design Comparison of flow patterns with simulation result and actual process. Side views with a square orifice (top pictures), and side views with an elliptical orifice (bottom pictures) UNIVERSITY OF SOUTHERN CALIFORNIA

  24. UNIVERSITY OF SOUTHERN CALIFORNIA

  25. 3D ceramic parts UNIVERSITY OF SOUTHERN CALIFORNIA

  26. Ceramic and Plastic parts UNIVERSITY OF SOUTHERN CALIFORNIA

  27. Application in building construction Cavities made with CC and filled with concrete. UNIVERSITY OF SOUTHERN CALIFORNIA

  28. Imbedding Reinforcement UNIVERSITY OF SOUTHERN CALIFORNIA

  29. UNIVERSITY OF SOUTHERN CALIFORNIA

  30. Co-extrusion of outer and filler materials A 6DOF Nozzle Assembly UNIVERSITY OF SOUTHERN CALIFORNIA

  31. NSF-03 Nozzle UNIVERSITY OF SOUTHERN CALIFORNIA

  32. Conventional Structures UNIVERSITY OF SOUTHERN CALIFORNIA

  33. Adobe structures UNIVERSITY OF SOUTHERN CALIFORNIA

  34. Multiple mobile robotics approach UNIVERSITY OF SOUTHERN CALIFORNIA

  35. CC – Sass Method UNIVERSITY OF SOUTHERN CALIFORNIA

  36. IT issues UNIVERSITY OF SOUTHERN CALIFORNIA

  37. Lunar construction – From Earth to Moon UNIVERSITY OF SOUTHERN CALIFORNIA

  38. Deployable CC UNIVERSITY OF SOUTHERN CALIFORNIA

  39. UNIVERSITY OF SOUTHERN CALIFORNIA

  40. NASA Trials UNIVERSITY OF SOUTHERN CALIFORNIA

  41. Nozzle for corrugated internal structure UNIVERSITY OF SOUTHERN CALIFORNIA

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