Lena Falk
My research is concerned with relationships between microstructure and properties of hard inorganic materials. The research involves the application of different scanning and transmission electron microscopy techniques for imaging and microanalysis. The work covers three areas of material's science: (i) development and stability of nano-/microstructures, (ii) toughening and strengthening mechanisms, and (iii) deformation mechanisms. The development of nano-/microstructure under different processing and testing conditions is characterized by high-resolution imaging and microanalysis, and the results are related to different parameters in the fabrication process and to the behaviour of the material under mechanical and thermal load. A significant part of the research has been concerned with the development of fine-scale microstructure during sintering and crystallisation processes in ceramic and glass-ceramic materials. The mechanical and chemical behaviour of ceramic matrix composites, including nanocomposite materials, has been investigated, and the role of the internal interfaces in these materials has been addressed. My current research interest also includes the structure and properties of polycrystalline cubic boron nitride materials and cemented carbides for cutting tool applications.
Showing 36 publications
Creep of un-doped and Cr-doped WC-Co at high temperature and high load
Chromium segregation at phase boundaries in Cr-doped WC-Co cemented carbides
Development of matrix microstructure in polycrystalline cubic boron nitride ceramics
Deformation mechanisms in a WC–Co based cemented carbide during creep
Atom probe tomography of a Ti-Si-Al-C-N coating grown on a cemented carbide substrate
Quantitative atom probe analysis of carbides
Alumina / Silicon Carbide Composites Fabricated via in-situ Synthesis of Nano-Sized SiC Particles
Defocus Convergent Beam Electron Diffraction Analysis of Dislocations in Mullite
SiAlON B-Phase Glass-Ceramic Microstructures
Pressureless Sintered Al2O3-SiC Nanocomposites
Nucleation and aligned growth of multi-wall carbon nanotube films during thermal CVD
The Intergranular Microstructure of Silicon Nitride Based Ceramics
The Intergranular Oxynitride Microstructure in Silicon Nitride Based Ceramics
Effect of Composition on Crystallisation of Y/Yb-Si-Al-O-N B-Phase Glasses
Effect of Composition on Crystallisation of Y/Yb-Si-Al-O-N B-Phase Glasses
Graphitic encapsulation of catalyst particles in carbon nanotube production
The effect of particle migration on the creep-rate of nanocomposites
The Crystallisation of B-Phase Glass-Ceramics
The Crystallisation of Er-Si-Al-O-N B-Phase Glass-Ceramics
Si-supportted Fe-Catalyst Film Transformation and Growth of CNT Films by Thermal CVD
Cross sectional TEM investigation of Ni-catalysed carbon nanotube films grown by plasma enhanced CVD
Synthesis of carbon nanotubes from C60
Synthesis of Pt Nanoparticles in Microemulsions and their Deposition on g -Al2O3
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