|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Additive Manufacturing of Metals: Establishing Location Specific, Processing-Microstructure-Property-Relationships III
||Investigation of the SLM Process to Fabricate Multiperforated Plates in Aeroengines
||Marc Thomas, Cécile Davoine, Océane Lambert, Fabienne Popoff, Philippe Reulet, Olivier Léon, Axel Vincent
|On-Site Speaker (Planned)
In this paper, the fabrication of multiperforated plates has been investigated by using Selective Laser Melting (SLM). Such an additive technique appears to be attractive for combustion chamber application with respect to conventional substractive technique by laser drilling. Indeed, more complex designs can be used to provide more efficient cooling system within the combustion chamber of aeroengines. A comparison is made between SLM plates and conventional multiperforated plates in terms of surface roughness, permeability and thermal properties. The surface roughness is considered as a key parameter since it might be beneficial by increasing the heat transfer surface, but also might be relevant for the onset of turbulent regimes which are deleterious for the film cooling stability. The results show that the SLM process can provide quite regular structures with a good reproducibility in permeability and thermal properties and can offer a great flexibility to design complex shaped coolings ducts.
||Planned: Supplemental Proceedings volume