Mechanical Engineering: Recent submissions
Now showing items 201-220 of 465
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A fundamental approach to electrochemical analyses on chemically modified thin films for barrier CMP optimization
(IOP Publishing, 2019-04-09)Chemical Mechanical Planarization (CMP) process development for 10nm nodes and beyond demands a systematic understanding of atomic-scale chemical and mechanical surface interactions for the control of material removal, ... -
Cyclic deformation response of ultra-fine grained titanium at elevated temperatures
(Elsevier, 2019-05)This study focuses on the high-temperature cyclic deformation response (CDR) of ultra-fine grained (UFG) titanium of commercial purity (grade 4) processed via equal channel angular extrusion as a severe plastic deformation ... -
Critical review of the factors dominating the fracture toughness of CNT reinforced polymer composites
(IOP Publishing, 2019-01)In this study, the main factors, which have substantial influence on fracture toughness of carbon nanotubes (CNTs)-based composites both at nano and macro scales, are discussed in detail. Based on the findings from the ... -
Participating media for volumetric heat generation
(Yıldız Teknik Üniversitesi, 2019-01)When an electromagnetic wave interacts with participating media (e.g. particulate media); the intensity of the radiation may be changed by the absorption, emission and scattering phenomena. Subsequently, the incident ... -
Learning to exploit passive compliance for energy-efficient gait generation on a compliant humanoid
(Springer Nature, 2019-01)Modern humanoid robots include not only active compliance but also passive compliance. Apart from improved safety and dependability, availability of passive elements, such as springs, opens up new possibilities for improving ... -
Impact of electronics over localized hot spots in multi-chip white LED light engines
(IEEE, 2019)In recent years, demand towards high power white LEDs has risen significantly covering a wide range of application areas. While many industries prefer more light extraction using less number of LED chips on their luminaires, ... -
Review of the main factors controlling the fracture toughness and impact strength properties of natural composites
(IOP Publishing, 2019-02)The main critical factors, which have direct influence on the fracture toughness and imapct strength properties of natural fibers composites, are reviewed in details in this paper. Considering the vast body of literature ... -
Visual needle tip tracking in 2D US guided robotic interventions
(Elsevier, 2019-02)Percutaneous needle procedures are among the most frequently performed minimally invasive surgical procedure. For tracking the needle tip in the tissue, 2D ultrasound (US) imaging is commonly used; however, the low resolution ... -
Application of giesekus model for capillary extrusion of rubber compound
(The Society of Chemical Engineers, 2019-02)Extrudate swell is an important phenomenon occurring when high viscoelastic materials, such as rubber and rubber compounds, are extruded. In this work, the effects of relaxation time and relaxation mode on swell predictions ... -
Publisher correction: A biomimicry design for nanoscale radiative cooling applications inspired by Morpho didius butterfly
(2019-02-26)A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper. The original PDF version of this Article contained a truncated Figure 4. ... -
Numerical and experimental analysis of the flow and transition of free synthetic jets
(IOP Publishing, 2019-04)In this paper, flow characteristics and the transition of synthetic jets are investigated numerically and experimentally. The investigated synthetic jets have a dimensionsless stroke length L-0/d of 146 and 167, an U-0 of ... -
Experimental and numerical investigation of ground heat exchangers in the building foundation
(Elsevier, 2019-05-15)The current study proposes a novel method with the experimental and numerical studies for the ground source heat pumps, which are known as environment-friendly and efficient heating & cooling systems to overcome their ... -
Plasmonic responses of metallic/dielectric core-shell nanoparticles on a dielectric substrate
(IOP Publishing, 2019-06)The effect of material selection on the plasmonic response and local absorption are evaluated for core- shell nanoparticles placed over a BK7 glass substrate. Eight different core-shell pairs are studied using the vectorized ... -
Effect of severe plastic deformation on the damping behavior of titanium
(Elsevier, 2019-06-01)In this work, influence of severe plastic deformation on the damping properties of commercial purity titanium is explored. Deformation induced grain refinement improved the strength at room temperature while this effect ... -
Colloidal aluminum antimonide quantum dots
(American Chemical Society, 2019-07-09)AlSb is a less studied member of the III–V semiconductor family, and herein, we report the colloidal synthesis of AlSb quantum dots (QDs) for the first time. Different sizes of colloidal AlSb QDs (5 to 9 nm) were produced ... -
Impact of functional nanofluid coolant on radiator performance
(ASME, 2019-08)While a number of liquids are preferred in many heating and cooling applications, their thermal capacity can be a limiting factor in many thermal systems. Therefore, a series of methods such as use of mixtures of two or ... -
On the mechanical behavior of accumulative roll bonded lightweight composite
(IOP Publishing, 2019-09)Multi-layered composites have received great interest due to their enhanced mechanical and physical properties. In this study, Al6061/Al2024 composites were processed by accumulative roll bonding as a severe plastic ... -
A new methodology to determine the design sensitivity of critical automotive body joints for basic design cycle
(Sage, 2019-09)As a result of more stringent requirements for improved fuel economy and emissions, there has been an increasing research activity to make vehicles lighter weight under some predetermined structural performance targets ... -
Simplified transfer function approach for modeling frequency dependency of damping characteristics of rubber bushings
(Sage, 2019-09)Physical systems that consist of parts and vibration isolators such as rubber bushings are usually modeled in multibody simulations, where parts are represented as rigid bodies with their mass and inertia properties and ... -
Optimization of the intermediate layer friction stir spot welding process
(Springer Nature, 2019-09)Friction stir spot welding was performed for joining sheets of 2024 and 6061 aluminum alloys, which is otherwise difficult using conventional welding techniques. The presented approach utilizes an intermediate layer to ...
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