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Chapter
Biomaterial–Cell Tissue Interactions in Surface Engineered Carbon-Based Biomedical Implants and Devices
to several interacting forces whenever they come in contact with the physiologic systems (blood, immune, musculoskeletal, nervous, digestive, respiratory, reproductive and urinary) and organs of the hum...
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Chapter
Surface Engineering of Artificial Heart Valves to Using Modified Diamond-Like Coatings
There are two types of artificial heart valves, namely, (i) biological valves and (ii) mechanical valves. biological heart valves are made from tissue taken from animals or human cadavers. They are treated wit...
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Chapter
Machining of Brittle Materials Using Nanostructured Diamond Tools
Recently, the demand for superhard tools for use in a range of industrial applications has been increasing rapidly. The development of advanced materials with superior mechanical properties and iron-based comp...
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Chapter and Conference Paper
Diamond Coating of Hip Joint Replacement: Improvement of Durability
Despite the success of surgical implants such as artificial hip, materials used in these procedures still do not satisfy the demands of human life time functioning. Currently used materials such as titanium al...
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Article
Local electromechanical properties of ZnO thin films and microcrystals
High-resolution piezoresponse force microscopy (PFM) was used to measure the out-of-plane (effective longtitudinal) and in-plane (effective shear) piezoresponse of zinc oxide films and microrods. Thin films we...
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Article
FEM analysis in high speed machining of aluminium alloy (Al7075-0) using polycrystalline diamond (PCD) and cemented carbide (K10) cutting tools
The purpose of this paper is to study the thermal and mechanical behaviour in machining of aluminium alloys (Al 7075-0) using PCD (polycrystalline diamond) and K10 (cemented carbide) tools and to make a compar...
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Article
Performance of sub-micron diamond films coated on mould inserts for plastic injection moulding
In this article, results obtained from an investigation focusing on the application of diamond coatings on inserts for thermoplastic injection moulding applications are reported. The injection moulding industr...
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Article
Adsorption and desorption of oxygen at metal-oxide interfaces: Two-dimensional modeling approaches
A numerical approach is presented for the segregation of atomic oxygen at Ag-MgO interfaces for a system of MgO particles dispersed in an Ag matrix. General segregation kinetics is considered, and the coupled ...
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Article
Modelling the mechanical behaviour of adhesively bonded and sintered hollow-sphere structures
The mechanical properties of periodic hollow-sphere structures are investigated numerically. Young’s modulus and the Poisson ratio are determined in order to describe their linearly elastic behaviour. The init...
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Article
Time-modulated CVD process optimized using the taguchi method
The Taguchi method is used herein to optimize the time-modulated chemical vapor deposition (TMCVD) process. TMCVD can be used to deposit smooth, nanocrystalline diamond (NCD) coatings onto a range of substrate...
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Article
Human microvascular endothelial cell seeding on Cr-DLC thin films for heart valve applications
In this investigation, Cr-modified diamond-like carbon (Cr-DLC) films were studied for potential applications in mechanical heart valves. Three Cr-DLC samples were prepared using a magnetron sputtering techniq...
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Article
Chemically functionalized carbon nanotubes and their characterization using thermogravimetric analysis, fourier transform infrared, and raman spectroscopy
This article reports key findings on the chemical functionalization of carbon nanotubes (CNT). The functionalization of chemical vapor-deposited CNT was carried out by treating tubes with polyvinyl alcohol thr...
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Chapter and Conference Paper
Numerical and experimental studies of damage in porous materials
Metallic foams comprise a steadily growing group of porous materials and are gaining more and more importance in industrial applications. Main advantages of this innovative material are high ability of energy ...
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Chapter and Conference Paper
Influence of the morphology of adhesive joining on the mechanical properties of periodic metal hollow-sphere-structures
Hollow-sphere-structures (HSS) originate a new group of cellular materials characterised by a high reproducibility of geometry and therefore mechanical properties. Well-known advantages of cellular materials a...
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Article
Cobalt diffusion in different microstructured WC-Co substrates during diamond chemical vapor deposition
Our investigation on diamond deposition using cemented tungsten carbide (WC-Co) has shown that diamond particles deposit at different rates onto micrograin and coarse-grain WC-Co substrates. Diamond deposition...
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Article
Investigation of cellular solids under biaxial stress states
The determination of the yield surface of cellular and porous materials requires experimental procedures under multi-axial stress states as the yield behavior is sensitive to the hydrostatic stress and as simp...
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Article
Structural Modeling of the Mechanical Behavior of Periodic Cellular Solids: Open-Cell Structures
The numerical simulation of random cellular metals, e.g., metal foams, is still connected with many unsolved problems due to their stochastic structure. Therefore, a periodic model of cellular metals is develo...
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Article
Time-modulated chemical vapor deposition of diamond films
This article investigates the role of substrate temperature in the deposition of diamond films using a newly developed time-modulated chemical vapor deposition (TMCVD) process. TMCVD was used to deposit polycr...
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Article
Growth of (100) oriented diamond grains by the application of lateral temperature gradients across silicon substrates
Polycrystalline diamond films with a predominant (100) texture were deposited onto silicon substrates using hot-filament chemical vapor deposition. During film deposition, different temperature gradients were ...
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Article
Role of substrate temperature during diamond film growth using the newly developed time-modulated chemical vapor deposition process
