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    Item type:Publication, Access status: without files ,
    Analysis of sinter-based additive manufactureing for functional products
    (Springer, 2026)
    Asami, Mohammad Karim
    Sinter-based additive manufacturing enables the production of complex metallic components — but the path from digital design to reliable functional parts remains fraught with challenges. This book bridges the gap between research and industrial application by providing a systematic framework for the entire material extrusion (MEX/M) process chain. Key topics include Systematic analysis and optimization of debinding and sintering processes for metallic materials Development of design guidelines tailored to sinter-based additive manufacturing Integration of machine learning methods for process prediction and quality assurance Characterization of mechanical properties and dimensional accuracy of printed functional components Practical strategies for achieving reliable, load-bearing metal parts through MEX/M The book offers engineers, researchers, and graduate students a structured methodology to understand, control, and optimize the MEX/M process — from material selection and printing parameters to post-processing and final part qualification. By combining experimental investigation with data-driven approaches, it provides actionable insights for both academic research and industrial implementation in lightweight engineering and beyond. The author Mohammad Karim Asami began his research career at the Institute for Laser and System Technologies (iLAS) at Hamburg University of Technology (TUHH), where he led a research group dedicated to sinter-based additive manufacturing. He subsequently joined the Fraunhofer Research Institution for Additive Production Technologies (IAPT) as group leader, driving the transfer of scientific findings into industrial application. His expertise spans process chain optimization, material characterization, and machine learning in production engineering.
    Publicationtype: Doctoral Thesis
      16
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      104
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    Betriebsfestigkeit von Dünnblech-Montagestößen mit werftüblichen Imperfektionen im Schiffbau
    (2016)
    Eggert, Lars
    ;
    Fricke, Wolfgang 
    During the construction of thin plated block joints, axial and angular misalignments occur, which lead to additional stresses at this special structural detail. This results potentially in a not proven fatigue strength. Within the thesis, a concept for the assessment of geometric imperfections, which may occur at the block joint, is developed. For typical thin-plated specimen, imperfections are recorded and statistically analyzed. Component tests with typical boundary conditions for full scale structures are carried out to determine the fatigue strength behaviour of the butt joint. With the results of measurements and tests, tolerances with regard to fatigue strength are derived and a recommendation for the measurement and evaluation of imperfections of thin-plated block joints is developed.
    Publicationtype: Doctoral Thesis
      664  698
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    Item type:Publication, Access status: with files ,
    Eigenspannungs- und Fertigungseinflüsse an Sektionsstößen von Schiffen
    (2013)
    Zacke, Sonja
    ;
    Fricke, Wolfgang 
    The dissertation deals with the following influence parameters on the fatigue and fracture strength of block joints: the welding gap width to be filled (8, 15, 30 mm), the welding technique (string-bead and weaving technique), the steel grade (A235, D36), the welding position (PA,PF) and the residual stresses influenced by these factors. The investigations were carried out experimentally and calculational with small scale specimens and in addition numerically by considering the original block joint.
    Publicationtype: Doctoral Thesis
      647  380
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    Design of regularly structured composite latent heat storages for thermal management applications
    (Dr. Hut, 2013)
    Lohse, Ekkehard
    ;
    Schmitz, Gerhard
    Due to their high latent heat of fusion phase change materials allow the design of high capacity thermal energy storages that can be used for electronics cooling. A major challenge for efficient charging and discharging is the low thermal conductivity. A new approach to compensate this by the combination with thermally conductive frame-structures is presented in this work. According to newly developed design guidelines the frame-structures are customized for special cooling applications, which can be produced by selective laser melting.
    Publicationtype: Doctoral Thesis
      41