Detecting voids in 3D printing using melt pool time series data
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Intelligent Manufacturing"
DOI: 10.1007/s10845-020-01694-8
Abstract: Powder Bed Fusion (PBF) has emerged as an important process in the additive manufacture of metals. However, PBF is sensitive to process parameters and careful management is required to ensure the high quality of parts… read more here.
Keywords: melt pool; time; time series;
Effect of Laser Power and Scan Speed on Melt Pool Characteristics of Commercially Pure Titanium (CP-Ti)
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-017-2768-6
Abstract: Selective laser melting (SLM) is an additive manufacturing technique that creates complex parts by selectively melting metal powder layer-by-layer using a laser. In SLM, the process parameters decide the quality of the fabricated component. In… read more here.
Keywords: laser; melt pool; speed; geometry ... See more keywords
Melt Pool Analysis and Mesoscale Simulation of Laser Powder Bed Fusion Process (L-PBF) with Ti-6Al-4V Powder Particles
Sign Up to like & getrecommendations! Published in 2018 at "JOM"
DOI: 10.1007/s11837-018-3208-2
Abstract: AbstractThe laser powder bed fusion (L-PBF) process is accompanied by rapid melting and solidification that results in intense thermocapillary convection within the melt pool. Open-source particle simulation software was utilized to generate a single layer… read more here.
Keywords: powder bed; melt pool; laser powder; powder ... See more keywords
Integrated Computational Materials Engineering to Predict Melt-Pool Dimensions and 3D Grain Structures for Selective Laser Melting of Inconel 625
Sign Up to like & getrecommendations! Published in 2019 at "Integrating Materials and Manufacturing Innovation"
DOI: 10.1007/s40192-019-00145-4
Abstract: This work presents a comparison of simulation results with the experimental data for four of the six challenges within the National Institute of Standards and Technology (NIST) Additive Manufacturing (AM) Benchmark Test Series (AM Bench)… read more here.
Keywords: materials engineering; melt pool; integrated computational; geometry ... See more keywords
Investigation of the track width-dependent melt pool characteristics during laser-sintering of polyamide 12 in correlation to various focus diameters
Sign Up to like & getrecommendations! Published in 2020 at "Progress in Additive Manufacturing"
DOI: 10.1007/s40964-020-00126-6
Abstract: Factors such as not only costs, production time, reproducibility, but also the quality of the components are decisive factors in assessing the economic efficiency of a manufacturing process. With additive manufacturing processes, component production is… read more here.
Keywords: focus; melt pool; dependent melt; laser sintering ... See more keywords
In-situ monitoring of laser-based PBF via off-axis vision and image processing approaches
Sign Up to like & getrecommendations! Published in 2019 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2018.10.020
Abstract: Abstract With the development of powder bed fusion (PBF) additive manufacturing technique for functional parts production, process monitoring and diagnosis is highly demanded to ensure its process reliability and repeatability. An off-axis vision monitoring method… read more here.
Keywords: axis vision; melt pool; situ monitoring; image ... See more keywords
Numerical study of the impact of vaporisation on melt pool dynamics in Laser Powder Bed Fusion - Application to IN718 and Ti–6Al–4V
Sign Up to like & getrecommendations! Published in 2020 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2020.101249
Abstract: Abstract A finite element model of Laser Powder Bed Fusion (LPBF) process applied to metallic alloys at a mesoscopic scale is presented. This Level-Set model allows to follow melt pool evolution and track development during… read more here.
Keywords: powder bed; melt pool; bed fusion; powder ... See more keywords
Development of a defect-detection platform using photodiode signals collected from the melt pool of laser powder-bed fusion
Sign Up to like & getrecommendations! Published in 2021 at "Additive manufacturing"
DOI: 10.1016/j.addma.2021.102152
Abstract: Abstract Additive manufacturing (AM) has changed the entire manufacturing enterprise by offering unique features for the fabrication of complex-shapes with superior mechanical properties. In the last decades, through an exponential advancement, AM has been promoted… read more here.
Keywords: defect detection; fusion; melt pool; platform ... See more keywords
Bayesian inverse uncertainty quantification of a MOOSE-based melt pool model for additive manufacturing using experimental data
Sign Up to like & getrecommendations! Published in 2022 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2021.108782
Abstract: Additive manufacturing (AM) technology is being increasingly adopted in a wide variety of application areas due to its ability to rapidly produce, prototype, and customize designs. AM techniques afford significant opportunities in regard to nuclear… read more here.
Keywords: uncertainty; pool model; melt pool; bayesian inverse ... See more keywords
Real-time measurement method of melt pool temperature in the directed energy deposition process
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.115475
Abstract: Abstract In metal additive manufacturing, the quality of the parts is closely related to the temperature distribution in the melt pool; hence, real-time monitoring of the temperature distribution has become a common method of evaluating… read more here.
Keywords: temperature distribution; melt pool; temperature; real time ... See more keywords
Numerical investigation of interfacial dynamics for the melt pool of Ti-6Al-4V powders under a selective laser
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.01.030
Abstract: Abstract The complex evolution of a melt pool of Ti-6Al-4V powder particles under a moving selective laser was studied numerically. A laser power of 175 W and scanning speeds of 850, 1250, and 1650 mm/s were used.… read more here.
Keywords: pool; melt pool; selective laser; numerical investigation ... See more keywords