Search for dissertations about: "Lennart Elmquist"

Found 2 swedish dissertations containing the words Lennart Elmquist.

  1. 1. Defect Formation during Solidification in Grey Iron Castings

    University dissertation from Göteborg : Chalmers University of Technology

    Author : Lennart Elmquist; Högskolan i Jönköping.; [2009]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Materials science; TEKNIKVETENSKAP Teknisk materialvetenskap; Shrinkage Porosity; Grey Iron; Solidification; Nucleation; Primary Austenite; DAAS; Eutectic Cells; Microstructure; Macrostructure; Hot Spot; Oxygen; Hydrogen;

    Abstract : The presence of defects is of major concern in the production of grey iron castings. Some defects are merely an aesthetic problem while others can be detrimental for the performance of the component. Among the several possible defects, shrinkage porosity is one of the more challenging to understand and avoid. READ MORE

  2. 2. Factors Influencing the Formation of Shrinkage Porosity in Grey Cast Iron

    University dissertation from Göteborg : Chalmers University of Technology

    Author : Lennart Elmquist; Högskolan i Jönköping.; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Materials science; TEKNIKVETENSKAP Teknisk materialvetenskap; Shrinkage porosity; Grey iron; Solidification; Primary austenite; Equiaxed zone; Columnar zone; CET; DAAS; Oxygen; Hydrogen;

    Abstract : The presence of shrinkage defects is of major concern in the production of grey iron castings. This type of defect can penetrate through the casting as a three-dimensional network. READ MORE