Prashant K. J., Senthilkumaran K., Pulak M. P. , Rao P. V. M. Advances in materials for powder based rapid prototyping. - In Proceeding of International Conference on Recent Anvances in Materials and Processing Dec. 15-16, 2006, PSG-tech. Coimbatore, India.Rapid Prototyping (RP) is two decade old technology to quickly produce tangible.
objects directly from a 3D CAD model and is being used to shorten and simplify the product.
development cycle for many applications including aerospace, automobile and home appliances.
etc., It involves adding material successively, in layers, to create a solid of a predefined shape.
Over the years, RP has evolved from producing prototypes for form, fit and functional testing to.
producing final end products for functional use. Since the presentation of first commercial.
application in last decade, a large number of processes have been developed. Present day.
commercial systems use various materials that range from polymers, metals, metal-polymer.
composites, ceramics and sand. As the growing number of new applications constantly motivate in.
developing new materials, it is essential to study the feasibility of new materials suitable for.
layered manufacturing. The properties of the material, particle size, fusibility of powder particles.
and thermal and optical characteristics are the bottlenecks in achieving required mechanical.
properties, feature resolution, accuracy and surface quality of the end product. In this paper, recent.
developments in materials for powder based layered manufacturing is reviewed and emphasize is.
given on issues and challenges in developing new materials and methods to meet high standards of.
part quality. Also recent research and accomplishments in processing bio-materials, heterogeneous.
materials and direct tools are discussed.Introduction.
Materials For Powder Based Rp.
Polymers.
Reinforced and Filled Polymers.
Metals and Alloys.
Ceramics.
Foundry Sand.
Functionally graded materials.
Biomaterials.
Conclusions.
