Sökning: "Additive Manufacturing"

Visar resultat 1 - 5 av 52 avhandlingar innehållade orden Additive Manufacturing.

  1. 1. Additive Manufacturing using Alloy 718 Powder Influence of Laser Metal Deposition Process Parameters on Microstructural Characteristics

    Detta är en avhandling från Trollhättan : University West

    Författare :Andreas Segerstark; Högskolan Väst.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Additive manufacturing; Laser metal deposition; powder; superalloy; Production Technology; Produktionsteknik; Manufacturing and materials engineering; Produktions- och materialteknik;

    Sammanfattning : Additive manufacturing (AM) is a general name used for production methodswhich have the capabilities of producing components directly from 3D computeraided design (CAD) data by adding material layer-by-layer until a final component is achieved. Included here are powder bed technologies, laminated object manufacturing and deposition technologies. LÄS MER

  2. 2. Non-intrusive instrumentation and estimation Applications for control of an additive manufacturing process

    Detta är en avhandling från Göteborg : Chalmers University of Technology

    Författare :Petter Hagqvist; Högskolan Väst.; [2015]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Manufacturing and materials engineering; Produktions- och materialteknik; Additive Manufacturing; Automation; Emissivity; Emissivity Compensated Spectral Pyrometry; Laser Metal Wire Deposition; Metal Deposition; Pyrometry; Resistance Feedback Control; Thermometry;

    Sammanfattning : For integration of additive manufacturing into industrial production, there is a need for capable yet robust automation solutions. Such solutions are to ensure consistent process outputs, both with regard to deposit geometry and material properties. LÄS MER

  3. 3. Qualification of Metal Additive Manufacturing in Space Industry Challenges for Product Development

    Detta är en avhandling från Luleå : Luleå University of Technology

    Författare :Christo Dordlofva; Luleå tekniska universitet.; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Additive Manufacturing; Space industry; Product Development; Qualification; Design for Additive Manufacturing;

    Sammanfattning : Additive manufacturing (AM), or 3D printing, is a collection of production processes that has received a good deal of attention in recent years from different industries. Features such as mass production of customised products, design freedom, part consolidation and cost efficient low volume production drive the development of, and the interest in, these technologies. LÄS MER

  4. 4. Microstructure model for Ti-6Al-4V used in simulation of additive manufacturing

    Detta är en avhandling från Luleå : Luleå tekniska universitet

    Författare :Corinne Charles Murgau; Corinne Charles; Högskolan Väst.; Luleå tekniska universitet.; [2016]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Production Technology; Produktionsteknik; Titanium alloy; Ti-6Al-4V; Welding; Metal deposition; Additive manufacturing; Wire feed; Finite Element Method; Microstructure model; Johnson-Mehl-Avrami- Kolmogorov; Thermally driven; Material Mechanics; Materialmekanik;

    Sammanfattning : This thesis is devoted to microstructure modelling of Ti-6Al-4V. The microstructure and the mechanical properties of titanium alloys are highly dependent on the temperature history experienced by the material. The developed microstructure model accounts for thermaldriving forces and is applicable for general temperature histories. LÄS MER

  5. 5. Mechanism-based flow stress model for Ti-6Al-4V applicable for simulation of additive manufacturing and machining

    Detta är en avhandling från Luleå : Luleå University of Technology

    Författare :Bijish Babu; Luleå tekniska universitet.; [2018]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Material modeling; Ti-6Al-4V; dislocation density; vacancy concentration; additive manufacturing; hot forming; heat treatment; Material Mechanics; Materialmekanik;

    Sammanfattning : Ti-6Al-4V has remarkable properties such as high specific mechanical properties (viz. stiffness, strength, toughness, fatigue resistance), corrosion resistance, biocompatibility etc. These properties make it attractive for applications in aerospace, chemical industry, energy production, surgical implants, etc. LÄS MER