TY  - JOUR
A1  - Gebhardt, Andreas
A1  - Hötter, Jan-Steffen
A1  - Ziebura, Dawid
T1  - Impact of SLM build parameters on the surface quality
JF  - RTejournal - Forum für Rapid Technologien
Y1  - 2014
SN  - 1614-0923
VL  - 11 (2014)
IS  - 1
SP  - 1
EP  - 14
ER  - 
TY  - CHAP
A1  - Alhwarin, Faraj
A1  - Ferrein, Alexander
A1  - Gebhardt, Andreas
A1  - Kallweit, Stephan
A1  - Scholl, Ingrid
A1  - Tedjasukmana, Osmond Sanjaya
T1  - Improving additive manufacturing by image processing and robotic milling
T2  - 2015 IEEE International Conference on Automation Science and Engineering (CASE), Aug 24-28, 2015 Gothenburg, Sweden
Y1  - 2015
U6  - http://dx.doi.org/10.1109/CoASE.2015.7294217
SP  - 924
EP  - 929
ER  - 
TY  - JOUR
A1  - Cosma, Cosmin
A1  - Kessler, Julia
A1  - Gebhardt, Andreas
A1  - Campbell, Ian
A1  - Balc, Nicolae
T1  - Improving the Mechanical Strength of Dental Applications and Lattice Structures SLM Processed
JF  - Materials
N2  - To manufacture custom medical parts or scaffolds with reduced defects and high mechanical characteristics, new research on optimizing the selective laser melting (SLM) parameters are needed. In this work, a biocompatible powder, 316L stainless steel, is characterized to understand the particle size, distribution, shape and flowability. Examination revealed that the 316L particles are smooth, nearly spherical, their mean diameter is 39.09 μm and just 10% of them hold a diameter less than 21.18 μm. SLM parameters under consideration include laser power up to 200 W, 250–1500 mm/s scanning speed, 80 μm hatch spacing, 35 μm layer thickness and a preheated platform. The effect of these on processability is evaluated. More than 100 samples are SLM-manufactured with different process parameters. The tensile results show that is possible to raise the ultimate tensile strength up to 840 MPa, adapting the SLM parameters for a stable processability, avoiding the technological defects caused by residual stress. Correlating with other recent studies on SLM technology, the tensile strength is 20% improved. To validate the SLM parameters and conditions established, complex bioengineering applications such as dental bridges and macro-porous grafts are SLM-processed, demonstrating the potential to manufacture medical products with increased mechanical resistance made of 316L.
Y1  - 2020
U6  - http://dx.doi.org/10.3390/ma13040905
SN  - 1996-1944
VL  - 13
IS  - 4
SP  - 1
EP  - 18
PB  - MDPI
CY  - Basel
ER  - 
TY  - JOUR
A1  - Gebhardt, Andreas
A1  - Plug, T-K.
T1  - Innovationsschub mittels Rapid-Prototyping, Teil II
JF  - CAD-CAM Report. 14 (1995), H. 9
Y1  - 1995
SN  - 0930-7117
SP  - 78
EP  - 85
ER  - 
TY  - JOUR
A1  - Gebhardt, Andreas
A1  - Pflug, T-K.
T1  - Innovationsschub mittels Rapid-Prototyping. Teil I
JF  - CAD-CAM Report. 14 (1995), H. 7
Y1  - 1995
SN  - 0930-7117
SP  - 56
EP  - 65
ER  - 
TY  - CHAP
A1  - Gerhards, Benjamin
A1  - Schleser, Markus
A1  - Otten,, Christian
A1  - Schwarz, Alexander
A1  - Gebhardt, Andreas
T1  - Innovative Laser Beam Joining Technology for Additive Manufactured Parts
T2  - Conference Proceedings 72nd IIW Annual Assembly and International Conference, 7-12 July 2019, Bratislava
Y1  - 2019
SP  - 1
EP  - 8
ER  - 
TY  - CHAP
A1  - Otten, Christian
A1  - Gerhards, Benjamin
A1  - Schleser, Markus
A1  - Schwarz, A.
A1  - Gebhardt, Andreas
T1  - Innovative Laserschweißtechnologie für additiv gefertigte Bauteile
T2  - Große Schweißtechnische Tagung
Y1  - 2019
SN  - 978-3-96144-066-5
N1  - DVS CONGRESS 2019, Große Schweißtechnische Tagung, DVS-Studentenkongress. 16. bis 17. September 2019, Düsseldorf. DVS-Berichte, Band 355
SP  - 150
EP  - 157
PB  - DVS-Media
CY  - Düsseldorf
ER  - 
TY  - CHAP
A1  - Wiezik, P.
A1  - Hötter, Jan-Steffen
A1  - Gebhardt, Andreas
T1  - Integration des Laserpolierens in den SLM-Prozess
T2  - DVS Congress 2015, Große Schweißtechnische Tagung, DVS-Studentenkongress, Fügen von faserverstärkten Kunststoffen, Anwendungsnahe Schweißsimulation, Vorträge der Veranstaltungen, Nürnberg, DE, 15.-17. Sep, 2015
Y1  - 2015
SN  - 978-3-945023-46-4
VL  - 315
SP  - 117
EP  - 120
PB  - Verl. für Schweißen und verwandte Verfahren, DVS-Verl.
CY  - Düsseldorf
ER  - 
TY  - CHAP
A1  - Fateri, Miranda
A1  - Gebhardt, Andreas
T1  - Introduction to Additive Manufacturing
T2  - 3D Printing of Optical Components
N2  - Additive manufacturing (AM) works by creating objects layer by layer in a manner similar to a 2D printer with the “printed” layers stacked on top of each other. The layer-wise manufacturing nature of AM enables fabrication of freeform geometries which cannot be fabricated using conventional manufacturing methods as a one part. Depending on how each layer is created and bonded to the adjacent layers, different AM methods have been developed. In this chapter, the basic terms, common materials, and different methods of AM are described, and their potential applications are discussed.
KW  - Additive manufacturing
KW  - 3D printing
KW  - Digital manufacturing
KW  - Rapid prototyping
KW  - Rapid manufacturing
Y1  - 2020
SN  - 978-3-030-58960-8
U6  - http://dx.doi.org/10.1007/978-3-030-58960-8_1
SP  - 1
EP  - 22
PB  - Springer
CY  - Cham
ER  - 
TY  - CHAP
A1  - Fateri, Miranda
A1  - Gebhardt, Andreas
T1  - Jewelry fabrication via selective laser melting of glass
T2  - ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications
N2  - Selective Laser Melting (SLM) is one of the Additive Manufacturing (AM) technologies applicable for producing complex geometries which are typically expensive or difficult to fabricate using conventional methods. This process has been extensively investigated experimentally for various metals and the fabrication process parameters have been established for different applications; however, fabricating 3D glass objects using SLM technology has remained a challenge so far although it could have many applications. This paper presents a summery on various experimental evaluations of a material database incorporating the build parameters of glass powder using the SLM process for jewelry applications.
Y1  - 2014
SN  - 978-0-7918-4583-7
U6  - http://dx.doi.org/10.1115/ESDA2014-20380
SP  - V001T06A005
ER  -