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Laser Assisted Patterning of a-Si:H: Detailed Investigation of Laser Damage Hasselt University KU Leuven
A detailed investigation of the laser damage to amorphous silicon (a-Si:H) layers patterned by laser ablation (LA) and wet chemical etching is presented. This approach can be applied to pattern the rear side of silicon hetero-junction interdigitated back-contact solar cells. Only the top sacrificial a-Si: H laser-absorbing layer of an a-Si:H/SiOx/a-Si:H/c-Si stack is ablated. Laser damage in the bottom a-Si:H layer and a-Si:H/c-Si interface is ...
Effect of corrosion damage on the tension-stiffening effect: A numerical investigation of the RC tension bar KU Leuven
It is important to implement proper damage relations to understand the effect of corrosion on the structural behaviour of reinforced concrete (RC) beams. The paper investigates the calibration of such relations through numerical analysis of an RC tension bar. Firstly, decreasing the bond-slip interface stiffness is found to decrease the number of cracks. Secondly, the yield and rupture strength of the rebar as a function of the pitting factor is ...
Theoretical versus Ex Vivo Assessment of Radiation Damage Repair: An Investigation in Normal Breast Tissue Hasselt University
In vivo validation of models of DNA damage repair will enable their use for optimizing clinical radiotherapy. In this study, a theoretical assessment was made of DNA double-strand break (DSB) induction in normal breast tissue after intraoperative radiation therapy (IORT), which is now an accepted form of adjuvant radiotherapy for selected patients with early breast cancer. DSB rates and relative biological effectiveness (RBE) were calculated as ...
Investigation of the crack opening and damage monitoring of textile reinforced cementitious composites using Digital Image Correlation Vrije Universiteit Brussel
The stress-strain behaviour of glass textile reinforced cementitious composites in tension is highly non-linear. Focusing at the multiple cracking stage, cracks are initiate and propagate across the cementitious matrix. The opening of these cracks is influenced by the volume fraction of reinforcement, the strength of the matrix, the geometry of the specimen, the debonding phenomena at the matrix—fibre interface and several other parameters. ...
The combined use of millimetre wave imaging and acoustic emission for the damage investigation of glass fibre reinforced polymer composites Vrije Universiteit Brussel
Ion implantation in Ge: structural and electrical investigation of the induced lattice damage & study of the lattice location of implanted impurities. KU Leuven
In deze doctoraatsthesis hebben we twee belangrijke implantatie-gerelate erde onderwerpen onderzocht in germanium: (1) de geïnduceerde structurel e en elektrische roosterschade na implantatie en (2) de roosterplaats va n geïmplanteerde onzuiverheden. Vooreerst hebben we de structurele roost erschade na ionenimplantatie in Ge gekarakteriseerd aan de hand van de r oostervervorming en de defectfractie in functie van verschillende implan ...
Hurdles in investigating UVB damage in the putative ancient asexual Darwinula stevensoni (Ostracoda, Crustacea) Hasselt University Ghent University
Ostracoda or mussel-shrimps are small, bivalved Crustacea. Because of their excellent fossil record and their broad variety of reproductive modes, ostracods are of great interest as a model group in ecological and evolutionary research. Here, we investigated damage and repair from one of the most important biological mutagens, namely UVB radiation, in the putative ancient asexual ostracod Darwinula stevensoni from Belgium. We applied three ...