Laser sintering of Cu nanoparticles on PET polymer substrate for printed electronics at different wavelengths and process conditions
Sign Up to like & getrecommendations! Published in 2019 at "Frontiers of Mechanical Engineering"
DOI: 10.1007/s11465-019-0562-x
Abstract: This study explores the feasibility of different laser systems to sinter screen-printed lines from nonconductive copper nanoparticles (Cu NPs) on polyethylene terephthalate polymer film. These materials are commonly used in manufacturing functional printed electronics for… read more here.
Keywords: laser; process conditions; printed electronics; different wavelengths ... See more keywords
Integration of Heat Treatment with Shot Peening of 17-4 Stainless Steel Fabricated by Direct Metal Laser Sintering
Sign Up to like & getrecommendations! Published in 2017 at "JOM"
DOI: 10.1007/s11837-017-2538-9
Abstract: AbstractDirect metal laser sintering (DMLS) is a promising powder-based additive manufacturing process for fabrication of near-net-shape parts. However, the typically poor fatigue performance of DMLS parts must be addressed for use in demanding industrial applications.… read more here.
Keywords: shot peening; heat treatment; treatment; metal laser ... 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
Optimization of process parameters for reducing warpage in selected laser sintering of polymer parts
Sign Up to like & getrecommendations! Published in 2017 at "Additive manufacturing"
DOI: 10.1016/j.addma.2017.10.018
Abstract: Abstract Selective Laser Sintering (SLS) is a rapidly growing additive manufacturing process, because it has the capacity to build parts from a variety of materials. However, the dimensional accuracy of the fabricated parts in this… read more here.
Keywords: polymer; optimization process; process; warpage ... See more keywords
Dynamic healable polyurethane for selective laser sintering
Sign Up to like & getrecommendations! Published in 2020 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101176
Abstract: Abstract Selective laser sintering (SLS) is one of the mainstream 3D printing technologies. A major challenge for SLS technology is the lack of novel polymer powder materials with improved Z-direction strength. Herein, a dynamic polymer… read more here.
Keywords: strength; sls; selective laser; polyurethane ... See more keywords
Numerical and experimental investigation of the isothermal assumption in selective laser sintering of PA12
Sign Up to like & getrecommendations! Published in 2020 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101676
Abstract: Abstract Selective Laser Sintering (SLS) of polymers represents a powder-bed based additive manufacturing technique which can produce parts with a large geometrical freedom as well as adequate mechanical properties. The standard process model of the… read more here.
Keywords: selective laser; laser; numerical experimental; crystallization ... See more keywords
In-depth comparison of polyamide 12 parts manufactured by Multi Jet Fusion and Selective Laser Sintering
Sign Up to like & getrecommendations! Published in 2020 at "Additive manufacturing"
DOI: 10.1016/j.addma.2020.101713
Abstract: Abstract Recently, the possibility of producing medium-to-large batches has increased the interest in polymer powder bed fusion technologies such as selective laser sintering (SLS) and multi jet fusion (MJF). Only scant data about the characterization… read more here.
Keywords: selective laser; fatigue; sls mjf; mjf ... See more keywords
Powder bed penetration depth control in laser sintering and effect on depth of fusion
Sign Up to like & getrecommendations! Published in 2021 at "Additive manufacturing"
DOI: 10.1016/j.addma.2021.102219
Abstract: Abstract The relationship between absorptance of a powder bed and various parameters affecting interlayer adhesion in plastic laser sintering is discussed. To control absorptance a near-infrared laser, which is rarely absorbed by most polymeric materials,… read more here.
Keywords: powder bed; depth; laser sintering; penetration depth ... See more keywords
A primary study into graphene/polyether ether ketone (PEEK) nanocomposite for laser sintering
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.09.226
Abstract: Abstract This paper proposes two methods of preparation of graphene/PEEK powders for Laser Sintering (LS) and investigates their behaviour in relation to their microstructure and their properties. Thin composite films were fabricated in an attempt… read more here.
Keywords: primary study; laser sintering; study graphene; graphene polyether ... See more keywords
Selective laser sintering scaffold with hierarchical architecture and gradient composition for osteochondral repair in rabbits.
Sign Up to like & getrecommendations! Published in 2017 at "Biomaterials"
DOI: 10.1016/j.biomaterials.2017.05.021
Abstract: Osteochondral defects cannot be adequately self-repaired due to the presence of the sophisticated hierarchical structure and the lack of blood supply in cartilage. Thus, one of the major challenges remaining in this field is the… read more here.
Keywords: gradient composition; selective laser; osteochondral repair; architecture gradient ... See more keywords
Covalent adaptable networks of polydimethylsiloxane elastomer for selective laser sintering 3D printing
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.128675
Abstract: Abstract Polydimethylsiloxane (PDMS) elastomer is one of most investigated and pioneering 3D printing materials. However, the powder-based 3D printing remains a big challenge due to the thermoset intrinsic character of PDMS. Here we realized the… read more here.
Keywords: printing; adaptable networks; laser sintering; selective laser ... See more keywords