ICALEO 2013 Paper #1202 (Laser-Based Generation of Precise Functional Structures and Components)
Laser-Based Generation of Precise Functional Structures and Components
Authors:
Frank Brueckner, Fraunhofer IWS; Dresden Germany
Mirko Riede, Fraunhofer Iws Dresden; Dresden Germany
Thomas Finaske, Fraunhofer Iws Dresden; Dresden Germany
Steffen Nowotny, Fraunhofer Iws Dresden; Dresden Germany
Christoph Leyens, Fraunhofer Iws Dresden / Technische Universitaet Dresden; Dresden Germany
Eckhard Beyer, Fraunhofer Iws Dresden / Technische Universitaet Dresden; Dresden Germany
Presented at ICALEO 2013
Functionalization of surfaces as well as the precise generation of metallic components are increasingly required in specific applications...$28.00
ICALEO 2013 Paper #1201 (Laser-Based Fabrication With Ti- and Ni-Base Superalloys)
Laser-Based Fabrication With Ti- and Ni-Base Superalloys
Authors:
Christoph Leyens, Fraunhofer IWS; Dresden Germany
Frank Brueckner, Fraunhofer Iws; Dresden Germany
Thomas Finaske, Fraunhofer Iws; Dresden Germany
Steffen Nowotny, Fraunhofer Iws; Dresden Germany
Eckhard Beyer, Fraunhofer Iws; Dresden Germany
Sebastian Thieme, Tu Dresden; Dresden Germany
Presented at ICALEO 2013
Meanwhile laser-based technology of direct metal deposition is a well industrially established technique for precise coating tasks and additive manufacturing. By means of precise nozzle systems, suitable process equipment as well as well customized manufactu...$28.00
ICALEO 2013 Paper #1105 (Detection and Repairing of Weld Defects)
Detection and Repairing of Weld Defects
Authors:
Peter Berger, IFSW, University of Stuttgart; Stuttgart Germany
Timo Bauknecht, Ifsw, University of Stuttgart; Stuttgart Germany
Meiko Boley, Ifsw, University of Stuttgart; Stuttgart Germany
Felix Abt, Ifsw, University of Stuttgart; Stuttgart Germany
Rudolf Weber, Ifsw, University of Stuttgart; Stuttgart Germany
Thomas Graf, Ifsw, University of Stuttgart; Stuttgart Germany
Presented at ICALEO 2013
There are different strategies to react on a detected weld defect. A very expensive one is to check the generated weld seam after welding and to put the part back into the clamping device f...$28.00
ICALEO 2013 Paper #1104 (Numerical Simulation of Wire Temperature Field for prediction of Wire Transfer Stability in Laser Hot Wire Welding)
Numerical Simulation of Wire Temperature Field for prediction of Wire Transfer Stability in Laser Hot Wire Welding
Authors:
Shiqing Zheng, Tsinghua university; Beijing Peoples Republic of China
Wen Peng, Tsinghua University; Beijing Peoples Republic of China
Feng Zahenhua, Tsinghua University; Beijing Peoples Republic of China
Shan Jiguo, Tsinghua University; Beijing Peoples Republic of China
Presented at ICALEO 2013
In laser welding with filling cold wire, the limited spot size and power of laser source is required not only to melt the base metal, but also to melt the cold wire, which largely results in poor processing stability and low deposition effici...$28.00
ICALEO 2013 Paper #1103 (Porosity Suppression In Laser Welding of Pure Nickel and Stainless Steel)
Porosity Suppression In Laser Welding of Pure Nickel and Stainless Steel
Authors:
Xudong Zhang, Hitachi Ltd.; Hitachi-shi, Ibaraki-ken Japan
Nobuaki Kobayashi, Hitachi Automative Systems, Ltd.; Isesaki, Gunma Japan
Yasuhiro Motegi, Hitachi Automotive Systems, Ltd.; Isesaki, Gunma Japan
Norihiro Yade, Hitachi Automotive Systems, Ltd.; Isesaki, Gunma
Presented at ICALEO 2013
In keyhole laser welding of pure nickel and martensite stainless steel, one of the problems is porosity formation in the weld metal. Since almost of the shielding gases, except hydrogen, can hardly be dissolved in nickel after solidification, the gas involved into the keyhole during th...$28.00
ICALEO 2013 Paper #1102 (Laser Welding of Niti to Stainless Steels)
Laser Welding of Niti to Stainless Steels
Authors:
Edwin Mok, University of Nottingham Ningbo China; Ningbo Peoples Republic of China
H.C. Man, Department of Industrial and Systems Engineeringhong, the Hong Kong Polytechnic University; Kowloon Hong Kong
Presented at ICALEO 2013
NiTi shape memory alloy has played a leading role on recent development of innovative biomedical devices, sensors and consumer products. However, its high material cost, low formability and poor weldability are critical shortcomings that hinder its further applications. To reduce the material cost, manufacturers prefer to use Nitinol only for the critical part and other alloys for the rest of the component. ...$28.00
ICALEO 2013 Paper #1101 (Simultaneous Top and Root High Speed Imaging on Droplet Formation in Laser Welding)
Simultaneous Top and Root High Speed Imaging on Droplet Formation in Laser Welding
Authors:
Torbjörn Ilar, Luleå University of Technology; Luleå Sweden
Ingemar Eriksson, Luleå University of Technology; Luleå Sweden
Alexander Kaplan, Luleå University of Technology; Luleå Sweden
Presented at ICALEO 2013
The regular formation of drops, called the humping effect in laser welding has been studied and analyzed by several research groups, however preferably for the top surface. Humping phenomena at the root have been much less investigated, even though they might have similar impact on the mechanical properties of the weld. Root humping is studied based on synchronize...$28.00
ICALEO 2013 Paper #105 (IVESTIGATING THE WELD DEPTH BEHAVIOUR USING DIFFERENT OBSERVATION TECHNIQUES: X-RAY, INLINE COHERENT IMAGEING AND HIGHSPEED OBSERVATION DURING WELDING ICE)
IVESTIGATING THE WELD DEPTH BEHAVIOUR USING DIFFERENT OBSERVATION TECHNIQUES: X-RAY, INLINE COHERENT IMAGEING AND HIGHSPEED OBSERVATION DURING WELDING ICE
Authors:
Peter Berger, IFSW; Stuttgart
Meiko Boley, Institut fuer Strahlwerkzeuge; 70569 Stuttgart USA
Paul Webster, Laser Depth Dynamics; Kingston, Ontario Canada
James Fraser, Queens University; Kingston, Ontario Canada
Rudolf Weber, Institut Fuer Strahlwerkzeuge; Stuttgart Germany
Cole Van Vlack, Laser Depth Dynamics; Kingston, Ontario Canada
Thomas Graf, Institut Fuer Strahlwerkzeuge; Stuttgart Germany
Presented at ICALEO 2013
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ICALEO 2013 Paper #104 (Vertical-Down Hybrid Welding in Ship Building - The Next Innovation Step)
Vertical-Down Hybrid Welding in Ship Building - The Next Innovation Step
Authors:
Simon Olschok, RWTH Aachen University, ISF; Aachen Germany
Uwe Reisgen, Rwth Aachen University, Isf; Aachen
Christoph Turner, RWTH Aachen University; Aachen Germany
Presented at ICALEO 2013
The laser beam GMA hybrid process has, already since the beginning of the year 2000, been used for applications in shipbuilding. At that, linear welds have been welded as butt welds and also as fillet welds as a solid weld connection in the flat position (PA). It is, therefore, the logical consequence, to extend this spectrum to other welding positions, particularly due to the easy handling of the we...$28.00
ICALEO 2013 Paper #101 (Advanced Welding Techniques with Optimized Accessories for High Brightness 1 µM Lasers)
Advanced Welding Techniques with Optimized Accessories for High Brightness 1 µM Lasers
Authors:
David Havrilla, TRUMPF, Inc.; Plymouth MI USA
Patrick Haug, TRUMPF Inc.; Plymouth USA
Thomas Harrer, Trumpf Laser- Und Systemtechnik Gmbh; Ditzingen Germany
Volker Rominger, Trumpf Laser- Und Systemtechnik Gmbh; Ditzingen Germany
Marco Holzer, Trumpf Laser- Und Systemtechnik Gmbh; Ditzingen Germany
Andrey Andreev, Trumpf Laser- Und Systemtechnik Gmbh; Ditzingen Germany
Presented at ICALEO 2013
Within the past couple of years one can see several trends in laser material processing. On the one hand optimized application results necessita...$28.00
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