ICALEO 2007 Paper #P510 (Predictive Model for Thick Steel Laser Cutting Quality using Artificial Neural Networks)
Predictive Model for Thick Steel Laser Cutting Quality using Artificial Neural Networks
Authors:
Marimuthu Sundar, Jadavpur University; Kolkata India
Asis Kumar Nath, RRCAT; Indore India
C.H. Premsingh, RRCAT; Indore India
Dipak Kumar Bandyopadhyay, Jadavpur University; Kolkata India
Dipten Misra, Jadavpur University; Kolkata India
Prabir Kumar Dey, Jadavpur University; Kolkata India
Shankar Prasat chaudhuri, Jadavpur University; Indore India
Presented at ICALEO 2007
Laser assisted oxygen (LASOX) cutting is emerging as a promising technique for cutting thick steel in the industries. The end quality of the cut steel, v...$28.00
ICALEO 2007 Paper #P508 (Influence Analysis of Process Parameters over 7010 Aluminum Alloy Laser Machining using Taguchi Technique)
Influence Analysis of Process Parameters over 7010 Aluminum Alloy Laser Machining using Taguchi Technique
Authors:
Gabriel Arias, Technical University Of Catalonia; Barcelona Spain
Joaquim Ciurana, Girona University; Girona Spain
Xavier Planta, ASCAMM; Cerdanyola de Valles Spain
Javier Diaz, ASCAMM; Cerdanyola De Valles Spain
Presented at ICALEO 2007
Laser material processing is extensively used by numerous industries because the flexibility and cleanliness provided, but still with the advantages, is a complex process due the parameters that participate and interact. To overcome this issue, is essential to clearly understand the influence that exerts the p...$28.00
ICALEO 2007 Paper #P506 (Key Factors Influencing the Bend Per Pass in Laser Forming)
Key Factors Influencing the Bend Per Pass in Laser Forming
Authors:
Stuart Edwardson, The University of Liverpool; Liverpool Great Britain
Chris Carey, The University of Liverpool; Liverpool Great Britain
Emile Abed, The University of Liverpool; Liverpool Great Britain
Ken R. Edwards, The University of Liverpool; Liverpool Great Britain
Geoff Dearden, The University of Liverpool; Liverpool Great Britain
Ken G. Watkins, The University of Liverpool; Liverpool Great Britain
Konrad Bartkowiak, Fraunhofer USA; Plymouth MI USA
Presented at ICALEO 2007
Laser forming offers the industrial promise of controlled shaping of meta...$28.00
ICALEO 2007 Paper #P505 (Quantitative Analysis of Retained Austenite in Laser Melted Martensitic Stainless Steel)
Quantitative Analysis of Retained Austenite in Laser Melted Martensitic Stainless Steel
Authors:
Tshidiso Seleka, CSIR National Laser Centre; Pretoria Southwest Africa
Marie Ulbrich, Vaal University of Technology; Pretoria Southwest Africa
Sisa Pityana, CSIR National Laser Centre; Pretoria Southwest Africa
Lipson Rampedi, CSIR National Laser Centre; Pretoria Republic of South Africa
Presented at ICALEO 2007
An AISI 420 martensitic stainless steel, 0.6 mm thick was melted with a 4.4 Kw continuous wave Nd: Yag laser in order to induce a certain proportion of retained austenite in a matrix. The volume percentage of the retained austenite in the melted-surface...$28.00
ICALEO 2007 Paper #P503 (The Effect of Output Fibre Diameter when Welding Austenitic Stainless Steel with a Fibre Laser)
The Effect of Output Fibre Diameter when Welding Austenitic Stainless Steel with a Fibre Laser
Authors:
Ian Pashby, The University of Nottingham; Nottingham Great Britain
Jongkol Iammi, The University of Nottingham; Nottingham Great Britain
Guijun Bi, The University of Nottingham; Nottingham Great Britain
Presented at ICALEO 2007
Fibre lasers are attractive for use in welding process because of their combination of properties which include high power and a good beam quality. However, the use of fibre lasers as a power source to join stainless steel has not been extensively researched. The aim of this research is to establish suitable parameters for fibre laser welding ...$28.00
ICALEO 2007 Paper #P502 (An Analysis of Co2 and High Power Diode Laser Generated Glazes on Concrete in Terms of Wear)
An Analysis of Co2 and High Power Diode Laser Generated Glazes on Concrete in Terms of Wear
Authors:
Jonathan Lawrence, Loughborough University; Leicestershire Great Britain
Presented at ICALEO 2007
The wear characteristics of a glaze generated on the ordinary Portland cement (OPC) surface of concrete was using a 2 kW high power diode laser (HPDL) and a 3 kW CO2 laser have been determined. Within both normal and corrosive environmental conditions, the wear rate of the CO2 and HPDL generated glazes were consistently higher than the untreated OPC surface of concrete. Life assessment testing revealed that surface glazing of the OPC with both the CO2 and the HPDL effected an increase in wear life o...$28.00
ICALEO 2007 Paper #P501 (Effects of Laser Parameters on Heat Distribution in a Cylindrical Sample)
Effects of Laser Parameters on Heat Distribution in a Cylindrical Sample
Authors:
Daniel Perez, Universidad de Los Andes; Bogota Colombia
Jagdish Luthra, Universidad de Los Andes; Bogota Colombia
Suranjana Luthra, The University of Alabama; Tuscaloosa AL USA
Jerald Izatt, The University of Alabama; Tuscaloosa AL USA
Alvin Winters, The University of Alabama; Tuscaloosa AL USA
Presented at ICALEO 2007
The coherence, directionality and high power in the focal area make laser sources a very convenient source for controlled heating of a sample. The distribution of heat and temperatures produced by laser heating could also be used to control the rea...$28.00
ICALEO 2007 Paper #N405 (Nano-particle Generation by Femto Second Laser Ablation)
Nano-particle Generation by Femto Second Laser Ablation
Authors:
N Semaltianos, The University of Liverpool; Liverpool Great Britain
C Williams, The University of Liverpool; Liverpool Great Britain
Martin Sharp, The University of Liverpool; Liverpool Great Britain
Walter Perrie, The University of Liverpool; Liverpool Great Britain
Stuart Edwardson, The University of Liverpool; Liverpool Great Britain
Geoff Dearden, The University of Liverpool; Liverpool Great Britain
Ken G Watkins, The University of Liverpool; Liverpool Great Britain
Presented at ICALEO 2007
Ultrashort laser pulse ablation leads to the generation of i...$28.00
ICALEO 2007 Paper #N404 (Adding Functionality to Metal Nanoparticles during Femtosecond Laser Ablation in Liquids)
Adding Functionality to Metal Nanoparticles during Femtosecond Laser Ablation in Liquids
Authors:
Jurij Jakobi, Laser Zentrum Hannover e.V.; Hannover Germany
Stephan Barcikowski, Laser Zentrum Hannover e.V.; Hannover Germany
Svea Petersen, Laser Zentrum Hannover e.V.; Hannover Germany
Anne Hahn, Laser Zentrum Hannover e.V.; Hannover Germany
Boris Chichkov, Laser Zentrum Hannover e.V.; Hannover Germany
Niko Bärsch, Laser Zentrum Hannover e.V.; Hannover Germany
Presented at ICALEO 2007
Nanoparticles are widely used in medical applications. For coupling biomolecules such as antigens and protection against corrosion, the nanoparticle...$28.00
ICALEO 2007 Paper #N402 (Fentosecond Laser-triggered Electrical Discharges at Nanoprobe Tips for Nanoprocessing)
Fentosecond Laser-triggered Electrical Discharges at Nanoprobe Tips for Nanoprocessing
Authors:
Dave Farson, The Ohio State University; Columbus OH USA
Hae woon Choi, The Ohio State University; Columbus OH USA
Jian Chen, The Ohio State University; Columbus OH USA
Stanislav Rokhlin, The Ohio State University; Columbus OH USA
Presented at ICALEO 2007
The initial results on development of a surface modification and fabrication processes with an electrical discharge based nano-scale heat source are reported. Electrical discharges were stimulated by femtosecond laser pulses in nanoscale gaps between sharpened metal tips and gold film. Laser pulses with intensi...$28.00
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