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Zur statischen Tragfähigkeit geklebter Kreishohlprofilverbindungen im Stahlbau

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Book Series: Berichte zum Stahl- und Leichtbau / Karlsruher Institut für Technologie, Versuchsanstalt für Stahl, Holz und Steine, Stahl- und Leichtbau ISSN: 21987912 ISBN: 9783731505617 Year: Volume: 6 Pages: XIII, 219 p. DOI: 10.5445/KSP/1000057648 Language: GERMAN
Publisher: KIT Scientific Publishing
Subject: Technology (General)
Added to DOAB on : 2019-07-30 20:01:58
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A high capacity adhesively bonded joint of hollow sections in steel construction is developed in the scope of this thesis. In particular, the boundary conditions and requirements of the building industry are considered. The load-bearing behaviour of the adhesively bonded joints is determined and analysed with experimental and numerical investigations. The development and validation of a method to predict the load-bearing capacity of adhesively bonded joints emphasises additional features.

Science, Characterization and Technology of Joining and Welding

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ISBN: 9783039289974 / 9783039289981 Year: Pages: 251 DOI: 10.3390/books978-3-03928-998-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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As the Guest Editor of this Special Issue entitled ""Science, Characterization, and Technology of Joining and Welding"" of Metals, I am pleased to have this book published by MDPI. Joining, including welding, soldering, brazing, and assembly, is an essential requirement in manufacturing processes and is classified as a secondary manufacturing process. This Special Issue of Metals includes technical and review papers on, but not limited to, different aspects of joining and welding, including welding technologies (i.e., fusion-based welding and solid-state welding), characterization, metallurgy and materials science, quality control, and design and numerical simulation. This Special Issue also includes the joining of different materials, including metal and non-metals (polymers and composites), including 17 peer-reviewed papers from several researchers all around the globe (China, Germany, Brazil, South Koria, Slovakia, USA, Taiwan, Canada, and India). As of this date (April 2020), the papers in this Special Issue have been cited 47 times by other researchers, which I think is an eminent number and shows the high quality of the published papers in this Issue. This Special Issue includes a large diversity of various subjects in the field of joining: laser welding, friction stir welding, diffusion bonding, multipass welding, rotary friction-welding, friction bit joining, adhesive bonding, weldbonding, simulation and experimentation, metal/FRP joints, welding simulation, plasma–TIG coupled arc welding, liquation cracking, soldering, resin bonding, microstructural characteristics, brazing, and friction stir butt and scarf welding. I would like to sincerely thank all the researchers who contributed to this Special Issue for their high-quality research. I also would like to acknowledge Mr. Toliver Guo, Senior Assistant Editor at MDPI, who continuously and tirelessly contributed toward this Special Issue by assisting me with inviting the authors and the follow ups. I think this Special Issue will enhance our knowledge and understanding in the field of joining and assembly. I would like to dedicate this book to my wife, Mehrnoosh, for her continued support and encouragement.

Keywords

adhesive thermos-mechanical property --- SnBi58 solder joint morphology --- flex-on-board assembly --- thermal compression bonding --- ultrasonic bonding --- friction stir welding --- scarf joint --- butt joint --- tool pin profiles --- mechanical properties --- microstructure --- metallurgy --- vacuum brazing --- titanium --- eutectoid --- clad filler foil --- microstructure --- SA213-T23 --- Cr-Mo steel --- heat-affected zone --- m23c6 --- carbide dissolution --- tint etching --- high-crystalline content zirconia --- active monomers --- oxide layer --- solder --- ceramics --- copper --- flux-less soldering --- IN738 superalloy --- welding --- HAZ cracking --- microconstituent --- plasma-TIG --- coupled arc --- arc profile --- pressure distribution --- welding --- 22MnB5 --- flow stress --- thermophysical property --- numerical simulation --- hybrid joining --- surface structuring --- thermal spraying --- coating --- FRP --- hot pressing --- bonding strength --- adhesion --- mechanical interlocking --- phased array ultrasonic --- dissimilar weldments --- anisotropy --- longitudinal wave --- simulation --- dissimilar material joining --- carbon fiber-reinforced polymer --- dual-phase steel --- friction bit joining --- adhesive bonding --- weld bonding --- mechanical strength --- rotary friction-welding --- energy-input --- joint mechanical properties --- welding thermal cycles --- medium thick plate model --- distributed point heat sources model --- local brittle zone --- API 5L X80 steel --- Ti2AlNb alloy --- TAN alloy --- direct diffusion bonding --- interfacial microstructure --- mechanical properties --- friction stir welding --- aluminum --- copper --- dissimilar joints --- design of experiments --- taguchi design --- mechanical properties --- electrical properties --- tailor welded blanks --- laser welding --- Zn-coated low carbon microalloyed steels --- microstructure --- pores

Surface Modification to Improve Properties of Materials

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ISBN: 9783038977964 9783038977971 Year: Pages: 356 DOI: 10.3390/books978-3-03897-797-1 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-04-25 16:37:17
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This book contains selected contributions on surface modification to improve the properties of solid materials. The surface properties are tailored either by functionalization, etching, or deposition of a thin coating. Functionalization is achieved by a brief treatment with non-equilibrium gaseous plasma containing suitable radicals that interact chemically with the material surface and thus enable the formation of rather stable functional groups. Etching is performed in order to modify the surface morphology. The etching parameters are selected in such a way that a rich morphology of the surfaces is achieved spontaneously on the sub-micrometer scale, without using masks. The combination of adequate surface morphology and functionalization of materials leads to superior surface properties which are particularly beneficial for the desired response upon incubation with biological matter. Alternatively, the materials are coated with a suitable thin film that is useful in various applications from food to aerospace industries.

Keywords

sulphur hexafluoride (SF6) plasma --- tetrafluoromethane (CF4) plasma --- polymer polyethylene terephthalate (PET) --- surface modification --- functionalization and wettability --- optical emission spectroscopy (OES) --- electronegativity --- PVD nanocomposite coatings --- aluminum die casting --- tool life --- tribological performance --- plasma surface modification --- polymer polypropylene --- neutral oxygen atom density --- initial surface functionalization --- food packaging --- wettability --- tantalum --- hardness --- gradient nanostructured layer --- grain size --- residual stress --- dry wear behavior --- surface texture --- surface treatment --- Ti6Al4V alloy --- tribology --- biology --- materials characterization --- shot-peening --- image processing --- TIG welding --- aluminum 6061-T6 --- special surfaces --- wettability --- superhydrophobic --- cell cultures --- anti-bio adhesion --- self-cleaning fabrics --- polyethylene granules --- low-pressure MW air plasma --- optical emission spectroscopy --- XPS --- laser cobalt catalytic probe --- Alloy 718 --- surface hardness --- surface residual stress --- grain size --- fretting failure --- corrosion --- antimicrobial film --- nisin --- physical properties --- plasma treatment polyvinyl alcohol --- surface characterization --- microhole-textured tool --- CaF2 --- micro-EDM --- tribological properties --- egg shell --- stearic acid --- modification --- particle characterization --- epoxy composites --- dynamic mechanical analysis --- adhesion effectiveness --- Poly(tetrafluoroethylene) --- Teflon --- plasma treatment --- zeta potential --- surface energy --- contact angle measurement --- lectin --- bovine serum albumin --- adsorption --- cellulose thin film --- polystyrene --- gold --- surface plasmon resonance spectroscopy --- silver nanoparticles --- laser ablation in liquids --- laser synthesis of colloidal nanoparticles solution --- nanoparticle-impregnated paper --- antimicrobial activity --- fiber fines --- sheet forming --- vacuum filtration --- pulse power --- electrical stimulation --- electric field --- mushroom --- L. edodes --- Lyophyllum deeastes Sing --- surface modification --- porous silicon --- silicon surface --- carbonization --- oxidation --- aluminum --- alloy --- duralumin --- etching --- surface texture --- porous-like --- adhesive bonding --- superhydrophobic --- porous silicon --- visible light assisted organosilanization --- solid state NMR --- XPS --- ToF-SIMS --- atmospheric pressure plasma jets --- plasma polymerization --- superhydrophobicity --- wetting --- biomaterial --- polymer --- plasma --- functionalization --- surface properties --- thrombosis --- hemocompatibility --- endothealization --- vascular graft --- biocompatibility --- endothelial cells --- surface properties --- nanostructuring --- functionalization --- grafting

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