Browsing by Author "Bundur, Zeynep Başaran"
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Ambient and elevated temperature mechanical behavior of a high strength aluminum alloy after cold deformation
Shojaei, Kambiz (2016-01)Nowadays, aluminum alloys in automotive and aerospace industries have assigned a noticeable portion in structural applications in comparison to many steel alloys. The aim of this study was to investigate the high-temperature ... -
Bacteria-based concrete
Belie, N. de; Wang, J.; Bundur, Zeynep Başaran; Paine, K. (Elsevier, 2018)Several strains of bacteria can induce the precipitation of calcium carbonate, if the appropriate conditions, sufficient nutrients and a calcium source are provided. The metabolic pathway that is followed by the bacterial ... -
Bio-based rheology modifying agents for cement-based materials
Güldoğan, Ayça Gisu (2020-06-10)Recent developments in the construction sector lead to the possible implementation of advanced manufacturing techniques of cement-based materials. Such concrete production led to the development of high-performance ... -
Bio-derived rheology modifying agents for cement-based materials
Azima, M.; Bundur, Zeynep Başaran (Springer, 2020)In recent few years, significant development has been made in concrete technology to accommodate the requirements of high-performance concrete. Rheology Modifying Agents (RMAs) (such as superplasticizers) and Viscosity ... -
Biomineralization in self-healing cement-based materials: investigating the temporal evolution of microbial metabolic state and material porosity
Bundur, Zeynep Başaran; Bae, S.; Kirisits, M. J.; Douglas Ferron, R. (American Society of Civil Engineers, 2017)The potential for self-healing of concrete via biomineralization processes in which microorganisms influence mineral precipitation is promising. To embed microorganisms within a cement-based material, key challenges are ... -
Biomineralized cement-based materials: impact of inoculating vegetative bacterial cells on hydration and strength
Bundur, Zeynep Başaran; Kirisits, M. J.; Ferron, R. D. (Elsevier, 2015-01)Biomineralization in cement-based materials has become a point of interest in recent years due to the possibility that such an approach could be used to develop a self-healing cement-based system. The objective of this ... -
Crack remediation in mortar via biomineralization: effects of chemical admixtures on biogenic calcium carbonate
Amiri, Ali; Azima, Mahzad; Bundur, Zeynep Başaran (Elsevier, 2018-11-30)Limited research on biomineralization in cement-based systems suggested that self-healing of surface cracks could be obtained by triggering biogenic calcium carbonate (CaCO3) precipitation within the cracks. While this is ... -
Design of energy-efficient white portland cement mortars for digital fabrication
Kurt, S.; Atalay, Yiğit Alper; Aydın, Ozan Eray; Avcıoğlu, B.; Yıldırım, T.; Göktepe, G. B.; Emir, S.; Bundur, Zeynep Başaran; Paksoy, H. Ö. (Springer, 2020)Additive manufacturing, i.e. three-dimensional (3D) printing technology has many advantages over traditional processes and the related technology is continuously improving. This study aims to develop an energy- efficient ... -
Development of two-phase biological self-healing agents for cement-based mortar
Tezer, Mustafa Mert (2020-01-13)Factors affecting durability of concrete structures are generally associated with each other. Due to its brittle nature, concrete can crack under stress and these cracks can decrease the service life of concrete structures. ... -
End-of-life materials used as supplementary cementitious materials in the concrete industry
Nicoara, A. I.; Stoica, A. E.; Vrabec, M.; Rogan, N. S.; Sturm, S.; Ow-Yang, C.; Gulgun, M. A.; Bundur, Zeynep Başaran; Ciuca, I.; Vasile, B. S. (MDPI, 2020-04)A sustainable solution for the global construction industry can be partial substitution of Ordinary Portland Cement (OPC) by use of supplementary cementitious materials (SCMs) sourced from industrial end-of-life (EOL) ... -
Evaluation of bioimplants surface nano-micro design by chemical mechanical polishing against alternative methods
Al Saeedi, Riaid Hadi Salih (2019-01-11)Biomaterials comprise a representative fraction of the products used in the health area. Biomedical devices (such as biosensors, blood circulation tubes, hemodialysis systems) can be cited as examples. Biomaterials can be ... -
Evaluation of self-healing of internal cracks in biomimetic mortar using coda wave interferometry
Liu, S.; Bundur, Zeynep Başaran; Zhu, J.; Ferron, R. D. (Elsevier, 2016-05)Calcium carbonate biomineralization is a bio-chemical process in which calcium carbonate precipitation is obtained by leveraging the metabolic activity of microorganisms. Studies have shown that biomineralization can be ... -
Experimental and numerical investigation of rubber whether strip extrusion
Talib, Nayyef Ahmed (2019-01-03)Extrusion is the main method used to produce rubber weather strips in automotive industries. The product quality is dependent on many factors, which include the design parameters of the die, the processing variables, and ... -
Extrusion and rheological characterization of cement-based materials containing different types of clays
Aydın, Eylül Mina (2021-01)Recently, digital manufacturing has been termed the fourth industrial revolution (Industry 4.0). Implementation of digital manufacturing revolutionizes the construction industry with the potential of freeform architecture, ... -
High temperature mechanical characteristics of friction stir processed light alloys
Ghobadlou, Ali Hosseinzadeh (2018-08)Friction stir processing (FSP) is a recently developed process for surface modification of light alloys that has expanded into applications other than microstructure refinement by the concept of fabricating metal matrix ... -
Impact of air entraining admixtures on biogenic calcium carbonate precipitation and bacterial viability
Bundur, Zeynep Başaran; Amiri, Ali; Ersan, Y. C.; Boon, N.; Belie, N. de (Elsevier, 2017)The applications of self-healing in cement-based materials via biomineralization processes are developing quickly. The main challenge is to find a microorganism that can tolerate the restricted environment of cement paste ... -
Influence of Sporasarcina pasteurii cells on rheological properties of cement paste
Azima, Mahzad; Bundur, Zeynep Başaran (Elsevier, 2019-11-20)Nowadays with the developments in the concrete materials technology, researches started to focus on highly flowable mixes with improved rheological properties. These highly flowable mixes generally require use of viscosity ... -
An investigation into hydrophobic micro-textured surfaces on heat transfer and surface wetting phenomenon during vapor condensation
Salem, Thamer Khalif (2018-12-28)Efficiency and performance of a system that involves condensation process have been one of the primary considerations over the last decades for a number of applications including thermal management systems such as vapor ... -
Investigation of corrosion in oil pipelines through surface nano-treatment
Ahmed, Mohammed Salih (2020-01)Corrosion is the unintentional and degradation of a material caused by the reaction of that material with its environment and a natural possible hazard correlated with gas and oil generation and transportation facilities. ... -
Low temperature behavior of ZK60 magnesium alloy after thermo-mechanical processing
Salahi, Salar (2017-08)Due to its low weight and good combination of mechanical strength and formability, wrought magnesium alloys containing zinc and zirconium are widely used in automotive and aerospace industries. Since mechanical properties ...
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