Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Eric Eschner"'
Publikováno v:
CIRP Annals. 71:149-152
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::befc9a2d2c60b2be62eeb72b4587aac1
https://doi.org/10.1016/j.cirp.2022.03.005
https://doi.org/10.1016/j.cirp.2022.03.005
Publikováno v:
Procedia CIRP. 94:758-762
Within this paper, we present a closed-loop control system for beam positioning during laser deep penetration welding of sheet metals. The system is comprised of a high-speed camera arranged coaxially to the laser beam on a welding head and linear st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59cab8ab1b76775e3932216d6e169154
https://doi.org/10.1016/j.procir.2020.09.140
https://doi.org/10.1016/j.procir.2020.09.140
Publikováno v:
CIRP Annals. 69:209-212
In powder bed fusion of metals by a laser beam (PBF-LB/M) spatters evolve due to evaporation phenomena within the interaction zone of the laser-beam and material. The evaporation is of high importance for the evolution of a melt depression in the pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68d792f51eaecf56f613dee767eaf9f0
https://doi.org/10.1016/j.cirp.2020.04.092
https://doi.org/10.1016/j.cirp.2020.04.092
Publikováno v:
CIRP Annals. 68:225-228
Hyperspectral imaging (HSI) is a very promising technique for temperature determination in laser welding without the need for a priori knowledge of the emissivity. HSI is commonly considered a technique that allows to simultaneously acquire spatial a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc470309d00afdaf4f5d10ac47c45874
https://doi.org/10.1016/j.cirp.2019.04.117
https://doi.org/10.1016/j.cirp.2019.04.117
Publikováno v:
Journal of Laser Applications. 34:032002
The coaxial integration of optical coherence tomography (OCT) enables the determination of surface topography and measurement of object features along the optical path within laser machining. The measurement of surface information from the processed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00ed4baa6df99dff5f78580d53d7e313
https://doi.org/10.2351/7.0000673
https://doi.org/10.2351/7.0000673
Correlation of Spatter Quantity and Speed to Process Conditions in Laser Powder Bed Fusion of Metals
Publikováno v:
Lecture Notes in Production Engineering ISBN: 9783662621370
The results of spatter measurements within laser-based powder bed fusion of metals are presented. A stereoscopic imaging setup and corresponding reconstruction algorithm are used to determine three-dimensional measures of the spatter characteristics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::978c47640e43fa46baa4567b3fe0a4b3
https://doi.org/10.1007/978-3-662-62138-7_38
https://doi.org/10.1007/978-3-662-62138-7_38
Publikováno v:
Procedia CIRP. 74:636-639
In this paper we present results from process observations of deep penetration laser welding using a hyperspectral imaging (HSI) technique. For monitoring different types of laser-based material processing, we developed an appropriate high-speed came
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::778cd5b05d2e896d89e0300c181af2c7
https://doi.org/10.1016/j.procir.2018.08.061
https://doi.org/10.1016/j.procir.2018.08.061
Autor:
Eric Eschner, Zeev Zalevsky, Michael Schmidt, Nicolai Oetter, Florian Stelzle, Benjamin Lengenfelder, Karen Schwarzkopf, Florian Klämpfl, Fanuel Mehari, Marco R. Kesting
Publikováno v:
Opto-Acoustic Methods and Applications in Biophotonics IV.
The Er: YAG laser has gained significant interest in the field of oral surgery due to its high water absorptivity, precision and patient acceptance. However, its application is limited by the lack of a contact-free feedback system which would enable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::189f19d4b882ae10e0a1e7d1f3db7256
https://doi.org/10.1117/12.2526578
https://doi.org/10.1117/12.2526578
Publikováno v:
International Congress on Applications of Lasers & Electro-Optics.
In this paper a further characterization of the hyperspectral imaging (HSI) system that we developed is presented. This camera-based system is meant to be used for temperature determination in laser-based material processing. It comprises a high-spee
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27a614504c60b93db1646c1a80087c09
https://doi.org/10.2351/1.5138159
https://doi.org/10.2351/1.5138159
Publikováno v:
International Journal of Extreme Manufacturing. 1:035002
Within this work, we present a system for the measurement of the three-dimensional (3D) trajectories of spatters and entrained particles during laser powder bed fusion (L-PBF) of metals. It is comprised of two ultrahigh-speed cameras and a reconstruc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f570972280c75208c722c5873208f002
https://doi.org/10.1088/2631-7990/ab3de9
https://doi.org/10.1088/2631-7990/ab3de9