Andre Mussatto
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View article: Laser-powder bed fusion in-process dispersion of reinforcing ceramic nanoparticles onto powder beds via colloid nebulisation
Laser-powder bed fusion in-process dispersion of reinforcing ceramic nanoparticles onto powder beds via colloid nebulisation Open
Functionally grading material composition in laser-powder bed fusion grants the potential for manufacturing complex components with tailored properties. The challenge in achieving this is that the current laser-powder bed fusion machine te…
View article: Laser surface polishing of Ti-6Al-4V parts manufactured by laser powder bed fusion
Laser surface polishing of Ti-6Al-4V parts manufactured by laser powder bed fusion Open
Poor surface quality of Additively Manufactured (AM) components, can greatly increase the overall cost and lead time of high-performance components. Examples are medical devices where surfaces may contact the patient’s skin and hence need …
View article: Assessing dependency of part properties on the printing location in laser-powder bed fusion metal additive manufacturing
Assessing dependency of part properties on the printing location in laser-powder bed fusion metal additive manufacturing Open
Despite the accelerated growth of laser-powder bed fusion in recent years, there are still major obstacles to be overcome before the technology enjoys truly widespread adoption. These include inconsistent part quality and repeatability iss…
View article: Influences of powder morphology and spreading parameters on the powder bed topography uniformity in powder bed fusion metal additive manufacturing
Influences of powder morphology and spreading parameters on the powder bed topography uniformity in powder bed fusion metal additive manufacturing Open
Powder spreading is a crucial step in the powder bed fusion process, which controls the quality of powder bed and consequently affects the quality of printed parts. To date, however, powder spreadability has received very little attention …
View article: 316L Stainless Steel Powders for Additive Manufacturing: Relationships of Powder Rheology, Size, Size Distribution to Part Properties
316L Stainless Steel Powders for Additive Manufacturing: Relationships of Powder Rheology, Size, Size Distribution to Part Properties Open
Laser-Powder Bed Fusion (L-PBF) of metallic parts is a highly multivariate process. An understanding of powder feedstock properties is critical to ensure part quality. In this paper, a detailed examination of two commercial stainless steel…
View article: Advanced production routes for metal matrix composites
Advanced production routes for metal matrix composites Open
The use of metal matrix composites (MMCs) in a variety of products is significantly increasing with time due to the fact that their properties can be tailored and designed to suit specific applications. However, the future usage of MMC pro…
View article: Comprehensive assessment of spatter material generated during selective laser melting of stainless steel
Comprehensive assessment of spatter material generated during selective laser melting of stainless steel Open
Laser-powder interaction and meltpool dynamics govern the physics behind the selective laser melting process. Spattering is an unavoidable phenomenon taking place during the process which is known to influence the integrity of the interact…
View article: Evaluation via powder metallurgy of nano-reinforced iron powders developed for selective laser melting applications
Evaluation via powder metallurgy of nano-reinforced iron powders developed for selective laser melting applications Open
In this work, a gas atomised stainless steel AISI 316L powder was used as metal matrix and SiC was employed as a nano reinforcement. The powders were experimentally characterised to determine the effect of the morphology, size, and levels …