Browsing Scholarly Works, Materials Science and Engineering (MSE) by Title
Now showing items 1-20 of 377
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3D printed graphene-based self-powered strain sensors for smart tires in autonomous vehicles
(2020-10-26)The transition of autonomous vehicles into fleets requires an advanced control system design that relies on continuous feedback from the tires. Smart tires enable continuous monitoring of dynamic parameters by combining ... -
A diffusion-viscous analysis and experimental verification of defect formation in sintered silver bond-line
(Cambridge University Press, 2014-04-01)The low-temperature joining technique (LTJT) by silver sintering is being implemented by major manufacturers of power electronic devices and modules for bonding power semiconductor chips. A common die-attach material used ... -
Abundance and Speciation of Surface Oxygen on Nanosized Platinum Catalysts and Effect on Catalytic Activity
(2018-06-18)Oxygen at the surface of nanosized platinum has a direct effect on catalytic activity of oxidation−reduction chemical reactions. However, the abundance and speciation of oxygen remain uncertain for platinum with different ... -
An acoustic position sensor
(AIP Publishing, 2003-11-01)This article presents an acoustic method-the resonance acoustic field sensor or piezoelectric-sound-resonance cavity (PSRC)-for object position detection. This method utilizes the change of acoustic radiation impedance as ... -
Adaptive ferroelectric states in systems with low domain wall energy: Tetragonal microdomains
(American Institute of Physics, 2003-09-01)Ferroelectric and ferroelastic phases with very low domain wall energies have been shown to form miniaturized microdomain structures. A theory of an adaptive ferroelectric phase has been developed to predict the ... -
Additive Friction Stir-Enabled Solid-State Additive Manufacturing for the Repair of 7075 Aluminum Alloy
(MDPI, 2019-08-23)The repair of high strength, high performance 7075 aluminum alloy is essential for a broad range of aerospace and defense applications. However, it is challenging to implement it using traditional fusion welding-based ... -
Affect of annealing on uniform and nonuniform strains in a sputtered Mo film on Si
(American Institute of Physics, 1979)Sputtered films of 1.5 μm of Mo deposited on (111) ‐oriented Si failed either by blistering or localized eruptions after various thermal treatments. Investigations were carried out to determine the amount of strain in the ... -
Aging and slow dynamics in SrxBa1-xNb2O6
(American Physical Society, 2005-10-10)The uniaxial "relaxor" ferroelectric SrxBa1-xNb2O6 (SBN) is found to crossover from holelike to cumulative aging as it is cooled into the frozen relaxor regime. The cumulative aging contrasts sharply with the behavior of ... -
Aging associated domain evolution in the orthorhombic phase of < 001 > textured (K0.5Na0.5)Nb0.97Sb0.03O3 ceramics
(AIP Publishing, 2012-03-01)Aging effect due to domain evolution in (K-0.5,Na-0.5)Nb0.97Sb0.03O3 < 001 > textured ceramics was investigated by piezoresponse force microscopy. We find that aging effect is pronounced in the orthorhombic single phase ... -
Alternating and direct current field effects on the structure-property relationships in Na0.5Bi0.5TiO3-x% BaTiO3 textured ceramics
(AIP Publishing, 2013-06-01)The influence of alternating (ac) and direct current (dc) fields on the structural and dielectric properties of [001](PC) textured Na0.5Bi0.5TiO3-7%BaTiO3 (NBT-7%BT) ceramics has been investigated. X-ray diffraction ... -
Anatomy of vertical heteroepitaxial interfaces reveals the memristive mechanism in Nb2O5-NaNbO3 thin films
(Springer Nature, 2015-03-18)Dynamic oxygen vacancies play a significant role in memristive switching materials and memristors can be realized via well controlled doping. Based on this idea we deposite Nb2O5-NaNbO3 nanocomposite thin films on ... -
Anhysteretic field-induced rhombhohedral to orthorhombic transformation in <110>-oriented 0.7Pb(Mg1/3Nb2/3)O-3-0.3PbTiO(3) crystals
(American Institute of Physics, 2002-12-15)The electric-field induced polarization (P-E) and strain (epsilon-E) characteristics of <110>(c)-oriented 0.7Pb(Mg1/3Nb2/3)O-3-0.3PbTiO(3) crystals have been investigated, under both unipolar and bipolar drive. A field-induced ... -
Anisotropic hydrogen diffusion in alpha-Zr and Zircaloy predicted by accelerated kinetic Monte Carlo simulations
(Springer Nature, 2017-01-20)This report presents an accelerated kinetic Monte Carlo (KMC) method to compute the diffusivity of hydrogen in hcp metals and alloys, considering both thermally activated hopping and quantum tunneling. The acceleration is ... -
Annealing twins in nanocrystalline fcc metals: A molecular dynamics simulation
(American Physical Society, 2007-05-23)We report fully three-dimensional atomistic molecular dynamics studies of grain growth kinetics in nanocrystalline Cu of 5 nm average grain size. We observe the formation of annealing twins as part of the grain growth ... -
Application of Sapphire-Fiber-Bragg-Grating-Based Multi-Point Temperature Sensor in Boilers at a Commercial Power Plant
(MDPI, 2019-07-21)Readily available temperature sensing in boilers is necessary to improve efficiencies, minimize downtime, and reduce toxic emissions for a power plant. The current techniques are typically deployed as a single-point ... -
Basins of attraction of tapping mode atomic force microscopy with capillary force interactions
(AIP Publishing, 2009-06-01)We perform a large number of simulations over a wide range of system parameters to approximate the basins of attraction of steady oscillating solutions. We find that the basins of attraction vary as a function of system ... -
Behavior of Random Hole Optical Fibers under Gamma Ray Irradiation and Its Potential Use in Radiation Sensing Applications
(MDPI, 2007-05-24)Effects of radiation on sensing and data transmission components are of greatinterest in many applications including homeland security, nuclear power generation, andmilitary. A new type of microstructured optical fiber ... -
Bias-field effect on the temperature anomalies of dielectric permittivity in PbMg1/3Nb2/3O3-PbTiO3 single crystals
(American Physical Society, 2005-11-16)In contrast to ordinary ferroelectrics where the temperature T-m of the permittivity maximum monotonically increases with bias field E in (1-x)PbMg1/3Nb2/3O3-(x)PbTiO3 (0 <= x <= 0.35) single crystals, T-m was found to ... -
Bridging domain mechanism for phase coexistence in morphotropic phase boundary ferroelectrics
(AIP Publishing, 2007-04-01)Computer modeling and simulation reveals a bridging domain mechanism that explains the phase coexistence commonly observed around the morphotropic phase boundaries of ferroelectric solid solutions. The simulation takes ... -
Broadening of x‐ray diffraction lines from small subgrains containing gradients of spacing
(American Institute of Physics, 1978)Recent data on subgrain size and spacing gradients in the Cu‐Ni system allow a more critical examination of a technique currently used to obtain the composition profiles of small diffusion zones. These data support the ...
