3D CO2 laser synthesis from thermoreactive resin powder

Vadim P. Veiko; A. G. Yakovlev

doi:10.1117/12.334407

22 December 1998 3D CO₂ laser synthesis from thermoreactive resin powder

Vadim P. Veiko, A. G. Yakovlev

Proceedings Volume 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference; (1998) https://doi.org/10.1117/12.334407
Event: Twelfth International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, 1998, St. Petersburg, Russian Federation

Abstract

Short review of 3-D Laser Synthesis (3D LS) or Rapid Prototyping (RP) is given, including three mali directions such as stereolithography (STL), laminated object manufacturing (LOM) and selective laser sintering (SLS). Comparative advantages and disadvantages of every one of them are discussed. The new direction of 3-D LS is suggested, combining advantages of STL and SLS. This direction based on the creation of 3D models from the resin's powder. The physical processes of the new technique similar with STL- process. In spite of the phase state of the initial material (powder) the mechanism of solidification has many skills of STL with viscous digomer. There are many new possibilities in the process with powder polymerization. One can use not mechanical devices (which are very complex) for powder deposition but electrostatic and so on. Some physical phenomena of powder solidification under the CO₂-laser action are studied, as speed of the process, which is much higher than under the conventional heating and so on. The experimental results of the process investigation are discussed. In particular the chemical analysis of the solidificated model is made which confirm that initial powder under laser treatment gave perfect resin. Main advantages of the new methods are the cheapness of the initial material and good mechanical quality of models, which expands the field of application of models made with described powder.

Citation Download Citation

Vadim P. Veiko and A. G. Yakovlev "3D CO₂ laser synthesis from thermoreactive resin powder", Proc. SPIE 3574, XII International Symposium on Gas Flow and Chemical Lasers and High-Power Laser Conference, (22 December 1998); https://doi.org/10.1117/12.334407

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