Sökning: "fusion strategies"

Visar resultat 1 - 5 av 89 avhandlingar innehållade orden fusion strategies.

1. 1. In-situ monitoring of laser powder bed fusion applied to defect detection

   Författare :Claudia de Andrade Schwerz; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; defect detection; productivity; nickel-based superalloy; process monitoring; pores; powder bed fusion; spatter; defect mitigation; mechanical properties; lack of fusion; melt pool; Additive manufacturing;

   Sammanfattning : Additive manufacturing technologies, particularly laser powder bed fusion (LPBF), have received much attention recently due to their numerous advantages over conventional manufacturing methods. However, the use of LPBF is still quite restricted, mainly due to two factors: its typically low productivity, which makes the technology less competitive in applications with moderate to high production volumes, and its limited reliability, particularly relevant for applications where high performance is required from the materials. LÄS MER

3. 2. Information Acquisition in Data Fusion Systems

   Författare :Ronnie Johansson; KTH; []
   Nyckelord :information acquisition; information fusion; data fusion; sensor management; perception management; game theory; target tracking; mobile sensors;

   Sammanfattning : By purposefully utilising sensors, for instance by a datafusion system, the state of some system-relevant environmentmight be adequately assessed to support decision-making. Theever increasing access to sensors o.ers great opportunities,but alsoincurs grave challenges. As a result of managingmultiple sensors one can, e. LÄS MER

4. 3. The Fusion Calculus : Expressiveness and Symmetry in Mobile Processes

   Författare :Björn Victor; Joachim Parrow; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Computer Systems; Datorteknik;

   Sammanfattning : The fusion calculus is presented as a significant step towards a canonical calculus of concurrency. It simplifies and extends the π-calculus of Milner, Parrow and Walker.The fusion calculus contains the polyadic π-calculus as a proper subcalculus and thus inherits all its expressive power. LÄS MER

5. 4. Engineered ion-bombardment as a tool in thin film deposition

   Författare :Rommel Paulo B. Viloan; Ulf Helmersson; Daniel Lundin; Rainer Hippler; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; HiPIMS; Bipolar HiPIMS; Ion-bombardment; Thin film;

   Sammanfattning : Energetic-ion bombardment has become an attractive route to modify the crystal growth and deposit high quality thin films. In high-power impulse magnetron sputtering (HiPIMS) where the discharge is characterized by a significant amount of ions of the sputter-ejected atoms, energetic-ion bombardment effects could not be underestimated. LÄS MER

7. 5. Residual Stress in Additive Manufacturing : Control using orientation and scan strategies

   Författare :Prabhat Pant; Ru Peng; Johan Moverare; Kjell Simonsson; Thomas Niendorf; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Additive manufacturing; Residual stress; Neutron diffraction; FEM; Scan strategies; Build orientations;

   Sammanfattning : Components with complex features that are designed with their function as a core aspect often are not viable to be manufactured with traditional methods. This has been a bottleneck in the past, leading to heavier parts with various sub-assemblies and a significant waste of material. LÄS MER