Browsing Mechanical Engineering by Document Type "Article"
Now showing items 21-40 of 263
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A Cahn-Hilliard modeling of metal oxide thin films for advanced CMP applications
(ECS, 2014)Chemical mechanical planarization (CMP) process enables topographic selectivity through formation of a protective oxide thin film on the recessed locations of the deposited metal layer, while a continuous chemical oxidation ... -
The cauchy problem for a one-dimensional nonlinear elastic peridynamic model
(Elsevier, 2012-04-15)This paper studies the Cauchy problem for a one-dimensional nonlinear peridynamic model describing the dynamic response of an infinitely long elastic bar. The issues of local well-posedness and smoothness of the solutions ... -
Challenges for radiative transfer 1: towards the effective solution of conjugate heat transfer problems
(Elsevier, 2018-12)This paper lists crucial challenges in radiative transfer with the objective of gathering information on improving and choosing methods for solving conjugate heat transfer problems. Developments in computational and ... -
Characterization and antibacterial properties of nanoboron powders and nanoboron powder coated textiles
(Elsevier, 2017-02)The antibacterial properties of boron-containing compounds are well known although there are limited studies available on the pure boron nanoparticles. In this paper, nanoboron particles are characterized in terms of their ... -
Characterization of nano-scale protective oxide films: application on metal chemical mechanical planarization
(The Electrochemical Society, 2015)This study focuses on the characterization of nano-scale metal oxide films for chemical mechanical planarization (CMP) applications. The protective nature of the self-grown metal oxide layers in the CMP slurry environment ... -
Coexistence of multiple regimes for near-field thermal radiation between two layers supporting surface phonon polaritons in the infrared
(American Physical Society, 2011)We demonstrate the coexistence of different near-field thermal radiation regimes between two layers supporting surface phonon polaritons (SPhPs) in the infrared. These regimes existwhen the distance of separation between ... -
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 ... -
Combining tensile test results with atomistic predictions of elastic modulus of graphene/polyamide-6,6 nanocomposites
(Elsevier, 2023-06)In this work, we combined tensile test results with atomistic simulations to investigate the effect of filler parameters including distribution, stacking, loading and lateral graphene size on elastic moduli of graphene/PA-6,6 ... -
A comparative evaluation of sepiolite and nano-montmorillonite on the rheology of cementitious materials for 3D printing
(Elsevier, 2022-10-03)Through the last decade, methods of digital manufacturing of concrete gained a significant interest compared to conventional concrete. The main challenge in additive manufacturing (3D printing) is to design a highly ... -
A comparative study for the junction temperature of green light-emitting diodes
(IEEE, 2019-10)Solid-state lighting devices offer a wide variety of color options applicable for general and automotive lighting, various display systems, and a number of niche applications. As they get smaller, generated heat fluxes ... -
A comparative study on phenomenological and artificial neural network models for high temperature flow behavior prediction in Ti6Al4V alloy
(Elsevier, 2022-12)Due to its critical use in lightweight components requiring elevated temperature operation, it is very important to determine and model the high temperature thermomechanical flow behavior of Ti6Al4V. In this study, uniaxial ... -
A comparative study on the high-temperature forming and constitutive modeling of Ti-6Al-4V
(Springer, 2022-09-28)Ti-6Al-4V alloy is often preferred for high-performance components such as aerospace components due to its superior material properties and thermal resistance. In order to produce these components in the desired geometry, ... -
A comparative study on the junction temperature measurements of LEDs with raman spectroscopy, microinfrared (IR) imaging, and Forward voltage methods
(IEEE, 2018-11)Energy efficiency, long life, exceptional color, and performance of solid-state light sources have resulted in a rapidly increasing trend in a number of practical applications especially for general lighting after a long ... -
Comparison between discrete dipole approximation and other modelling methods for the plasmonic response of gold nanospheres
(Springer Science+Business Media, 2014-05)We investigate the plasmonic response of gold nanospheres calculated using discrete dipole approximation validated against the results from other discretization methods, namely the finite-difference time-domain method and ... -
A computational and experimental investigation of synthetic jets for cooling of electronics
(The American Society of Mechanical Engineers, 2015-06-01)Seamless advancements in electronics industry resulted in high performance computing. These innovations lead to smaller electronics systems with higher heat fluxes than ever. However, shrinking nature of real estate for ... -
Computer simulations of 4240 MOF membranes for H2/CH4 separations: insights into structure–performance relations
(Royal Society of Chemistry, 2018-04-14)Design of new membranes having high H2/CH4 selectivity and high H2 permeability is strongly desired to reduce the energy demand for H2 production. Metal organic frameworks (MOFs) offer a great promise for membrane-based ... -
Conceptual design of a fully passive transfemoral prosthesis to facilitate energy-efficient gait
(IEEE, 2018-12)In this paper, we present the working principle and conceptual design toward the realization of a fully-passive transfemoral prosthesis that mimics the energetics of the natural human gait. The fundamental property of the ... -
Conduction-driven cooling of LED-based automotive LED lighting systems for abating local hot spots
(SPIE, 2018-02)Light-emitting diode (LED)-based automotive lighting systems pose unique challenges, such as dual-side packaging (front side for LEDs and back side for driver electronics circuit), size, harsh ambient, and cooling. Packaging ... -
Control of near-field radiative heat transfer via surface phonon-polariton coupling in thin films
(Springer Business+Media, 2011-06)The possibility of controlling near-field radiative heat transfer with the use of silicon carbide thin films supporting surface phonon–polaritons in the infrared spectrum is explored. For this purpose, the local density ... -
Controlling germanium CMP selectivity through slurry mediation by surface active agents
(The Electrochemical Society, 2015-08-10)New developments and device performance requirements in microelectronics industry add to the challenges in chemical mechanical planarization (CMP) process. One of the recently introduced materials to semiconductor manufacturing ...
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