Partitioning of laser energy during directed energy deposition
Sign Up to like & getrecommendations! Published in 2017 at "Additive manufacturing"
DOI: 10.1016/j.addma.2017.08.012
Abstract: Abstract An energy balance that describes the transfer of energy is proposed for the laser-based directed energy deposition process. The partitioning of laser energy was experimentally measured and accurately validated using a special process calorimeter… read more here.
Keywords: directed energy; laser energy; laser; energy ... See more keywords
Lower Laser Energy Levels Lead to Better Visual Recovery After Small-Incision Lenticule Extraction: Prospective Randomized Clinical Trial.
Sign Up to like & getrecommendations! Published in 2017 at "American journal of ophthalmology"
DOI: 10.1016/j.ajo.2017.05.005
Abstract: PURPOSE To determine the effect of lowering laser energy on clinical outcomes in small-incision lenticule extraction (SMILE). DESIGN Prospective randomized clinical trial. METHODS A total of 151 patients (151 eyes) with moderate myopia scheduled for… read more here.
Keywords: laser energy; energy; small incision; logmar udva ... See more keywords
Structure and properties of nano SiC coatings in-situ fabricated by laser irradiation
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.02.279
Abstract: Abstract The nano SiC coatings were prepared on the surface of graphite by laser irradiation under different laser energy densities (7.07–14.15 kJ/cm2). The influence of laser energy density on the structure and quality of coatings was… read more here.
Keywords: laser energy; laser irradiation; nano sic; structure ... See more keywords
Experimental and numerical investigations of double pulse laser energy deposition in air
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Fluid Flow"
DOI: 10.1016/j.ijheatfluidflow.2020.108563
Abstract: Abstract This study focuses on the laser energy deposition characteristics through single and double pulse at short and long pulse intervals in quiescent air, both experimentally and numerically. A frequency-doubled and Q-switched Nd: YAG laser… read more here.
Keywords: laser energy; laser; energy; deposition ... See more keywords
Effect of laser wavelength and energy on the detecting of trace elements in steel alloy
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.04.018
Abstract: Abstract In order to investigate the effect of laser wavelength and energy on the detection of the trace elements in alloy steel, pulsed laser at 1064 nm and 532 nm wavelength have been employed to generate plasma.… read more here.
Keywords: laser energy; laser; energy; trace elements ... See more keywords
A novel model of laser energy attenuation by powder particles for laser solid forming
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Machine Tools and Manufacture"
DOI: 10.1016/j.ijmachtools.2019.103440
Abstract: Abstract Laser energy attenuation greatly influences the amount and distribution of laser energy, which affects the forming precision and quality in laser solid forming. Most of the existing models cannot be used to calculate the… read more here.
Keywords: laser energy; energy attenuation; powder particles; energy ... See more keywords
Effect of laser energy density on the evolution of Ni4Ti3 precipitate and property of NiTi shape memory alloys prepared by selective laser melting
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.159338
Abstract: Abstract This research investigated the influence of laser energy density on the formation and evolution of Ni4Ti3 precipitate, together with the property of NiTi shape memory alloys fabricated by selective laser melting (SLM). The variant… read more here.
Keywords: laser energy; energy density; ni4ti3 precipitate; laser ... See more keywords
Effect of crystallographic orientation on mechanical anisotropy of selective laser melted Ti-6Al-4V alloy
Sign Up to like & getrecommendations! Published in 2017 at "Materials Characterization"
DOI: 10.1016/j.matchar.2017.01.014
Abstract: Abstract The crystallographic texture of Ti-6Al-4V produced by selective laser melting (SLM) under various laser energy densities was characterized by electron backscatter diffraction technique to explore its effect on the anisotropy in tensile properties. Results… read more here.
Keywords: crystallographic orientation; laser energy; laser; anisotropy ... See more keywords
Three electron beams from a laser-plasma wakefield accelerator and the energy apportioning question
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep43910
Abstract: Laser-wakefield accelerators are compact devices capable of delivering ultra-short electron bunches with pC-level charge and MeV-GeV energy by exploiting the ultra-high electric fields arising from the interaction of intense laser pulses with plasma. We show… read more here.
Keywords: laser energy; energy; three electron; electron ... See more keywords
Mechanisms of laser energy absorption and melting behavior during selective laser melting of titanium-matrix composite: role of ceramic addition
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abcdce
Abstract: The laser energy absorption and melting behavior of ceramic reinforced metal matrix composites during selective laser melting (SLM) additive manufacturing are vital for the subsequent metallurgical behavior. In this study, the mesoscopic simulation was proposed… read more here.
Keywords: laser energy; laser; addition; energy absorption ... See more keywords
Holmium:Yttrium Aluminum Garnet Laser and Guidewires: Is There a Durability Difference Among Guidewires Against Laser Energy? An In Vitro Experimental Study.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of endourology"
DOI: 10.1089/end.2016.0883
Abstract: PURPOSE To evaluate the durability differences between five different type of guidewires against laser energy in an in vitro experimental ureteral model. METHODS The study was performed at the Department of Urology, Medicine Faculty of… read more here.
Keywords: group group; laser energy; group; vitro experimental ... See more keywords