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  • ICALEO 2011 Paper #1707 (Laser Direct Deposition of Nickel-Based Metal Matrix Composite)

    Laser Direct Deposition of Nickel-Based Metal Matrix Composite
    Authors:
    Kevin C. Schoeffel, Purdue University; West Lafayette IN USA
    Yung C. Shin, Purdue University; W. Lafayette IN USA
    Presented at ICALEO 2011

    In the present work, laser direct deposition is used to build multi-layer structures of nickel-based alloy IN690 reinforced with titanium carbide particles at 5-25 percent by volume. This study shows the effects of various operation parameters including the initial weight ratio of matrix and reinforcement powders. The relationship between final TiC volume fraction in the depositions and TiC volume fraction in the initial powder mixture shows good retention of carbide part...

    $28.00

  • ICALEO 2011 Paper #1706 (Material-Efficient Laser Cladding for Corrosion Resistance)

    Material-Efficient Laser Cladding for Corrosion Resistance
    Authors:
    Khalid Mahmood, The University of Manchester; - USA
    Nicholas Stevens, The University of Manchester; Manchester Great Britain
    Waheed Ul Haq Syed, Department of Mechanical Engineering, College of Electrical and Mechanical Engineering, NUST; Islamabad Pakistan
    Andrew J. Pinkerton, The University of Manchester; Manchester Great Britain
    Presented at ICALEO 2011

    In this work, a single-stage, blown powder laser cladding process was used to deposit a protective layer of Ni-based alloy Inconel 617 on mild steel substrates. A Design of Experiments methodology is used to analyse the effects of the ma...

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  • ICALEO 2011 Paper #1705 (Influence of Process Conditions on Surface Finishes Obtained with the Direct Metal Deposition Laser Technique)

    Influence of Process Conditions on Surface Finishes Obtained with the Direct Metal Deposition Laser Technique
    Authors:
    Myriam Gharbi, PIMM; Paris France
    Cyril Gorny, PIMM; Paris France
    Patrice Peyre, PIMM; Paris France
    Remy Fabbro, PIMM; Paris France
    Simon Morville, LIMATB, Université De Bretagne-Sud; 56321 Lorient Cedex France
    Muriel Carin, LIMATB, Université De Bretagne-Sud; 56321 Lorient Cedex France
    Thierry Mallot, STAMP; -
    Presented at ICALEO 2011

    The Direct Metal deposition (DMD) with laser is a free-form metal deposition process for dense pieces, which allows generating a prototype or small series of near ne...

    $28.00

  • ICALEO 2011 Paper #1702 (Effect of C:Ti Atomic Ratio on TiC Morphology Deposted by Laser Cladding Process)

    Effect of C:Ti Atomic Ratio on TiC Morphology Deposted by Laser Cladding Process
    Authors:
    Ali Emamian, University of Waterloo; Waterloo ON Canada
    Stepehen F Corbin, University of Waterloo; Halifax NS Canada
    Amir Khajepour, University of Waterloo; Waterloo OH Canada
    Presented at ICALEO 2011

    In this paper, the effect of powder composition on TiC morphology and clad hardness using in-situ laser cladding process has been studied. Two atomic ratios, 45% and 55%, were selected for C:Ti, the first one of which has the potential to form TiC without formation of the preliminary Ti (α) phase. Results show that chemical composition affects the TiC morphology, TiC distribution ...

    $28.00

  • ICALEO 2011 Paper #1701 (Laser Cladding of Metal-Ceramic Nanocomposite Layers for Cutting Applications)

    Laser Cladding of Metal-Ceramic Nanocomposite Layers for Cutting Applications
    Authors:
    Sabine Claussen, Laser Zentrum Hannover e.V.; Hannover Germany
    Albert Grueninger, Laser Zentrum Hannover e.V.; Hannover Germany
    Michael Hustedt, Laser Zentrum Hannover e.V.; Hannover Germany
    Stephan Barcikowski, Laser Zentrum Hannover e.V.; Hannover Germany
    Volker Wesling, Laser Zentrum Hannover e.V.; Hannover Germany
    Heinz Haferkamp, Laser Zentrum Hannover e.V.; Hannover Germany
    Presented at ICALEO 2011

    The laser cladding process allows for the generation of complex near-net-shape geometries on a multitude of different substrate materials. By a...

    $28.00

  • ICALEO 2011 Paper #1611 (Deep Penetration Welds and Welding Phenomena with Combined Disk Lasers)

    Deep Penetration Welds and Welding Phenomena with Combined Disk Lasers
    Authors:
    Seiji Katayama, Osaka University; Ibaraki, Osaka Japan
    Masahiro Hirayama, Osaka University; Ibaraki, Osaka Japan
    Masami Mizutani, Osaka University; Ibaraki, Osaka Japan
    Yousuke Kawahito, Osaka University; Ibaraki, Osaka Japan
    Presented at ICALEO 2011

    Recently high-power, high-quality disk lasers are developed to produce deep penetration welds. This study was carried out to produce deep-penetration weld beads and to interpret the effect of combined beams on welding results and phenomena by using high power disk lasers of 10 kW and 16 kW. It was consequently confirmed that twin...

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  • ICALEO 2011 Paper #1610 (Preliminary Investigation on Hybrid Welding of Selective Laser Molten Parts)

    Preliminary Investigation on Hybrid Welding of Selective Laser Molten Parts
    Authors:
    Sabina Luisa Campanelli, Politecnico Di Bari; Bari Italy
    Andrea Angelastro, Politecnico of Bari; Bari Italy
    Antonio Domenico Ludovico, Politecnico of Bari; Bari Italy
    Giuseppe Casalino, Politecnico of Bari; Bari Italy
    Nicola Contuzzi, Politecnico of Bari; Bari Italy
    Presented at ICALEO 2011

    In this paper the innovative arc-fiber laser welding process (hybrid welding) was investigated on steel parts built by the Selective Laser Melting (SLM) process.
    SLM is probably the most rapidly growing technique in Additive Manufacturing (AM) technologies. This success r...

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  • ICALEO 2011 Paper #1608 (Instructions for Using Weld Strength for Laser Welding of Hot-Press-Forming Steel)

    Instructions for Using Weld Strength for Laser Welding of Hot-Press-Forming Steel
    Authors:
    Minjung Kang, Korea Institute of Industrial Technology; Incheon South Korea
    Cheolhee Kim, Korea Institute of Industrial Technology; Yeonsu-gu South Korea
    Jongsup Lee, Korea Institute of Industrial Technology; -
    Presented at ICALEO 2011

    For light weight vehicles without loss of security, a demand for ultra high strength steel is increasing in automotive industries. Although TRIP and DP steels have the strength under 1Gpa, the boron alloyed steel after hot stamping process has the strength over than 1500MPa. AlSi-coated steel has been developed to prevent excessive oxidation durin...

    $28.00

  • ICALEO 2011 Paper #1606 (Experimental Investigation of the Laser-Plume Interaction During High Power Fiber Laser Welding)

    Experimental Investigation of the Laser-Plume Interaction During High Power Fiber Laser Welding
    Authors:
    Pavel Shcheglov, Federal Institute for Materials Research and Testing Berlin; Berlin Germany
    Andrey Gumenyuk, Federal Institute for Materials Research and Testing Berlin; Berlin Germany
    Igor Gornushkin, Federal Institute for Materials Research and Testing Berlin; Berlin Germany
    Michael Rethmeier, Federal Institute for Materials Research and Testing Berlin; Berlin Germany
    Presented at ICALEO 2011

    The effect of the well-known plasma absorption and refraction in CO2-laser metal welding plumes is in case of high power solid state laser welding negligibly sm...

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  • ICALEO 2011 Paper #1605 (Characteristics of Microstructures and Mechanical Properties of Laser Welded API X-100 Steel for Line Pipe)

    Characteristics of Microstructures and Mechanical Properties of Laser Welded API X-100 Steel for Line Pipe
    Authors:
    Mok-Young Lee, Advanced Metallic Materials Research Team, RIST; Pohang South Korea
    Hyun-Byung Chai, Technical Research Laboratories, POSCO; Pohang South Korea
    Presented at ICALEO 2011

    The strength of materials for pipe line becomes higher, because that is increase the capacity of transportation such as oil or gas. The performance of those welds was decreased by increasing of alloy contents added to increase the strength. In this study, high strength API X-100 steel was welded with 10kW fiber laser on bead-on-plate. The process parameters such as laser output power, tr...

    $28.00

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