ICALEO 2005 Paper #1205 (Laser Drilling of Natural Granite Plates)
Laser Drilling of Natural Granite Plates
Authors:
Ramoto, Universidad de Vigo; Vigo Pontevedra Spain
Antonio Riveiro, University of Vigo; Vigo Spain
Mohamed Boutinguiza, Universidad de Vigo; Vigo Pontevedra Spain
Fx Quintero, Universidad de Vigo; Vigo Pontevedra Spain
Fernando Lusqui Universidad de Vigo; Vigo Pontevedra Spain
Juan Pou, Universidad de Vigo; Vigo Spain
Mariano Pz-Amor, Universidad de Vigo; Vigo Pontevedra Spain
Presented at ICALEO 2005
Following previous work focused on the laser processing of natural stones, we present in this paper the results of the study carried out to verify the feasi...$28.00
ICALEO 2005 Paper #1204 (CO2 Laser Welding Fused Silica)
CO2 Laser Welding Fused Silica
Authors:
Danny MacCallum, Sandia National Laboratories; Albuquerque NM USA
Gerald Knorovsky, Sandia National Laboratories; Albuquerque NM USA
Presented at ICALEO 2005
The feasibility of laser welding of fused silica (aka quartz) has been demonstrated recently by others. An application requiring hermetic sealing of a thin, pressure-bearing quartz diaphragm to a thicker frame led us to explore this technique. We found that laser welding techniques normally used for metallic parts caused scorching and uneven melting. Contrary to ?standard? practices (near focus, high travel speed, high power density), successful welds in fused silica required a broad ...$28.00
ICALEO 2005 Paper #1203 (Active Control of Heat-Induced Deformation in a Laser Powder Deposition Process)
Active Control of Heat-Induced Deformation in a Laser Powder Deposition Process
Authors:
Umesh Korde, South Dakota School of Mines and Technology; Rapid City SD USA
Michael Langerman, South Dakota School of Mines and Technology; Rapid City SD USA
Matthew Hainy, South Dakota School of Mines and Technology; Rapid City SD USA
Travis Zelfer, South Dakota School of Mines and Technology; Rapid City SD USA
James Sears, South Dakota School of Mines and Technology; Rapid City SD USA
Presented at ICALEO 2005
Laser additive manufacturing has significant advantages over conventional manufacturing processes that are important in a variety of fabrication,...$28.00
ICALEO 2005 Paper #1202 (Laser Surface Modification Under Submerged Chemical Slurry Conditions)
Laser Surface Modification Under Submerged Chemical Slurry Conditions
Authors:
Tamer Ezz, The University of Manchester; Manchester lancs UK
Lin Li, The University of Manchester; Manchester UK
Philip Crouse, The University of Manchester; Manchester lancs UK
Zhu Liu, The University of Manchester; Manchester Great Britain
Presented at ICALEO 2005
Of the many methods of laser treatment for improving materials surface properties that have been published, very few have reported on laser processing under chemically submerged conditions. In this work, silicon oxynitrides and TiN coatings are deposited on mild steel substrates. Laser beams with different powers and...$28.00
ICALEO 2005 Paper #1106 (Synthesis of Nb3Al High Temperature Intermetallic Compound by Laser Deposition)
Synthesis of Nb3Al High Temperature Intermetallic Compound by Laser Deposition
Authors:
Minlin Zhong, Tsinghua University; Beijing China
Jinjiang He, Tsinghua University; Beijing China
Wenjin Liu, Tsinghua University; Beijing China
Presented at ICALEO 2005
Refractory intermetallic compound Nb3Al is expected as a candidate for structural materials operated at much higher temperatures compared to conventional Ni superalloys. However, Nb3Al is difficult to fabricate by conventional methods. Little work has been reported on synthesis of Nb-rich intermetallic alloys by laser deposition. This paper presents research work on laser deposition of a powder blend of Nb, Ti, Al pu...$28.00
ICALEO 2005 Paper #1105 (Pitting Resistance of Laser Clad Alloys 625, C-276, 59, and 686)
Pitting Resistance of Laser Clad Alloys 625, C-276, 59, and 686
Authors:
Eric Whitney, ARL, The Pennsylvania State Univ. ; State College PA USA
Brad Krantz, Corrosion Testing Laboratories, Inc.; Newark DE USA
Seanda Williams, Naval Undersea Warfare Center, Division Keyport; Keyport WA USA
Presented at ICALEO 2005
The pitting corrosion resistance of Alloys 625, C-276, 59, and 686, in the laser clad condition, was characterized by using ASTM G28 and ASTM G150 test protocols. Test samples were examined using light and scanning electron microscopy. Alloys 59 and 686 are wrought alloys designed to be exceptionally pit resistant. Test results of laser clad samples show th...$28.00
ICALEO 2005 Paper #1104 (Scientific and Technological Landscape of Laser Cladding: A Bibliometric Analysis of Patents and Publications)
Scientific and Technological Landscape of Laser Cladding: A Bibliometric Analysis of Patents and Publications
Authors:
Jean Archambeault, Aluminium Technology Centre, National Research Council Canada; Saguenay Quebec Canada
Laurent Dubourg, Aluminium Technology Centre, National Research Council Canada; Saguenay Quebec Canada
Presented at ICALEO 2005
In the last 20 years, public and private organizations involvement in laser cladding R&D activities is increasing. Worldwide, these activities are mainly conducted in universities, public research institutes and technical centres in private companies. This study presents a bibliometric analysis of the patents and scientific publicatio...$28.00
ICALEO 2005 Paper #1103 (In-Situ Cladding of Leading Edge of LP Turbine Blades Using Fibre Delivered Diode Laser)
In-Situ Cladding of Leading Edge of LP Turbine Blades Using Fibre Delivered Diode Laser
Authors:
Milan Brandt, Industrial Laser Applications Laboratory, IRIS Swinburne University of Technology; Melbourne Victoria Australia
B. Dempster, Industrial Laser Applications Laboratory, IRIS Swinburne University of Technology; Melbourne Victoria Australia
J. Harris, Industrial Laser Applications Laboratory, IRIS Swinburne University of Technology; Melbourne Victoria Australia
S. Sun, Industrial Laser Applications Laboratory, IRIS Swinburne University of Technology; Melbourne Victoria Australia
N. Alam, CSIRO Manufacturing and Infrastructure Technology; Adelaide Australia...$28.00
ICALEO 2005 Paper #1102 (Laser Clads for Application as Bearing Materials: Microstructure and Tribological Properties)
Laser Clads for Application as Bearing Materials: Microstructure and Tribological Properties
Authors:
Rolf Galun, Institut fuer Werkstoffkunde und Werkstofftechnik, Technische Universitaet Clausthal; Clausthal, Zellerfeld Germany
Detlef Weinhausen, IWW; Clausthal-Zellerfeld Niedersachsen Germany
Gunar Bergmann, IWW; Clausthal-Zellerfeld, Niedersachsen Niedersachsen Germany
Presented at ICALEO 2005
Due to EU restrictions of using lead in materials for plain bearings in automotive applications, conventional lead bronze was replaced by materials based on lower strength and thus lower load bearing capable aluminium-tin alloys. Goal of the presented work was to produce bear...$28.00
ICALEO 2005 Paper #1101 (Results on Process Engineering and Control of Single Crystal Blades Laser Repairing)
Results on Process Engineering and Control of Single Crystal Blades Laser Repairing
Authors:
Pascal Aubry, CEA Saclay; Gif-sur-Yvette, Cedex France
Thierry Malot, Gip Gerailp; Arcueil France
Presented at ICALEO 2005
This article presents our the results of the part of the European AWFORS Project related to single crystal blade repairing by laser cladding. First, we present the overview of the project and the aims related to single crystal blades. Thus, physical metallurgy considerations are presented. These elements related to the process modeling is followed by a process parameter search. The materials used are both single crystal superalloys CMSX2 and MC2. Once the parameters are...$28.00
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