Sökning: "Direct Energy Deposition"

Visar resultat 1 - 5 av 15 uppsatser innehållade orden Direct Energy Deposition.

  1. 1. Process Mapping for Laser Metal Deposition of Wire using Thermal Simulations : A prediction of material transfer stability

    Master-uppsats, Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Författare :David Lindell; [2021]
    Nyckelord :Additive manufacturing; direct energy deposition; laser metal deposition; thermal simulation; processing window; material transfer stability; stubbing; dripping; Additiv tillverkning; lasermetalldeponering; termisk simulering; processfönster;

    Sammanfattning : Additive manufacturing (AM) is a quickly rising method of manufacturing due to its ability to increase design freedom. This allows the manufacturing of components not possible by traditional subtractive manufacturing. AM can greatly reduce lead time and material waste, therefore decreasing the cost and environmental impact. LÄS MER

  3. 2. Building with pollution

    Master-uppsats, Lunds universitet/Institutionen för arkitektur och byggd miljö

    Författare :Zornitsa Hristova Kovacheva; [2021]
    Nyckelord :Arts and Architecture;

    Sammanfattning : Black carbon is an ever-growing global problem and one of the most important environmental issues of this generation. Black carbon, also known as soot, is a highly polluting substance and it is the second-largest polluter after carbon dioxide. LÄS MER

  4. 3. Effect of Stainless Steel Additive Manufacturing On Heat Conductivity and Urea Deposition

    Master-uppsats, KTH/Materialvetenskap

    Författare :Sabrina El Mouhib; [2020]
    Nyckelord :;

    Sammanfattning : Hydroforming is the manufacturing process that Scania uses to produce exhaust pipes with complex shape and high durability.  Selective Laser Melting is the process used by designers to print prototype pipes and perform emissions tests before mass production. LÄS MER

  5. 4. Patterning of perovskite thin films for electrical and optical characterisation

    Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Författare :Nils Lamers; [2020]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : While perovskite solar cells have become increasingly more efficient and popular, electrical characterisation of the semiconductor properties of perovskites has been limited due to the instability of the material. In this work, multiple approaches for creating such electrical test structures from perovskites are discussed. LÄS MER

  7. 5. Growth and Characterization of Ferroelectric Lanthanum-Doped Hafnia

    Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

    Författare :Harald Havir; [2020]
    Nyckelord :Ferroelectricity; Lanthanum-doped Hafnia; ALD; Science General;

    Sammanfattning : Hafnia-based ferroelectrics show great promise as future nonvolatile memory devices, however, their issues regarding device inconsistency across their lifetime, coupled with the relatively short total lifetime, makes these devices only theoretical as of now. In this thesis, an ALD deposition recipe for lanthanum oxide deposition was created. LÄS MER