Engineering Science and Mechanics

  • United States

Research Output 1963 2020

1988
28 Citations (Scopus)

UTILITY OF SPLIT-SPECTRUM PROCESSING IN ULTRASONIC NONDESTRUCTIVE EVALUATION.

Rose, J. L., Karpur, P. & Newhouse, V. L., Jan 1 1988, Materials Evaluation, 46, 1, p. 114-122 9 p.

Research output: Contribution to specialist publicationArticle

Ultrasonics
Processing
Signal to noise ratio
Matched filters
Transducers
9 Citations (Scopus)

Wave scattering and guided wave considerations in anisotropic media

Rose, J. L., Pilarski, A., Tverdokhlebov, A., Balasubramaniam, K., Dale, J. & Diprimeo, D., Dec 1 1988, Review of Progress in Quantitative Nondestructive Evaluation. Vol. 7 A. p. 85-94 10 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Anisotropic media
Guided electromagnetic wave propagation
Ultrasonics
Scattering
Phase velocity
1987
11 Citations (Scopus)

A comment on the solutions of the equation ∇× a = ka

Varadan, V. K., Lakhtakia, A. & Varadan, V. V., 1987, In : Journal of Physics A: Mathematical and General. 20, 9, p. 2649-2650 2 p., 046.

Research output: Contribution to journalReview article

magnetoelectric media
del operator
Linear Combination
Magnetic Field
Magnetic fields
7 Citations (Scopus)

A comparison of positive charge generation in high field stressing and ionizing radiation on mos structures

Warren, W. L. & Lenahan, P. M., Jan 1 1987, In : IEEE Transactions on Nuclear Science. 34, 6, p. 1355-1358 4 p.

Research output: Contribution to journalArticle

Ionizing radiation
ionizing radiation
radiation distribution
Oxides
Silicon oxides
11 Citations (Scopus)

A Shear Wave Rheology Sensor

Cohen-Tenoudji, F., Pardee, W. J., Tittmann, B. R., Ahlberg, L. A. & Elsley, R. K., Mar 1987, In : IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 34, 2, p. 263-269 7 p.

Research output: Contribution to journalArticle

Shear waves
Rheology
rheology
resins
S waves
42 Citations (Scopus)

Bipolar CdSe/CoS semiconductor photoelectrode arrays for unassisted photolytic water splitting

Smotkin, E. S., Cervera-March, S., Bard, A. J., Campion, A., Fox, M. A., Mallouk, T. E., Webber, S. E. & White, J. M., 1987, In : Journal of Physical Chemistry. 91, 1, p. 6-8 3 p.

Research output: Contribution to journalArticle

water splitting
Semiconductor materials
Water
oxygen production
Oxygen
15 Citations (Scopus)
Anisotropic media
Maxwell equations
31 Citations (Scopus)
Ionizing radiation
ionizing radiation
radiation distribution
Oxides
Silicon oxides
6 Citations (Scopus)

C-SCAN TESTING FOR COMPLEX PARTS.

Subramanian, K. & Rose, J. L., Feb 1 1987, Advanced Materials and Processes, 131, 2, p. 40-43 4 p.

Research output: Contribution to specialist publicationArticle

Transducers
Information analysis
Water
Testing
Composite structures
15 Citations (Scopus)

Determination of Physical Property Gradients from Measured Surface Wave Dispersion

Tittmann, B. R., Ahlberg, L. A., Richardson, J. M. & Thompson, R. B., Sep 1987, In : IEEE transactions on ultrasonics, ferroelectrics, and frequency control. 34, 5, p. 500-507 8 p.

Research output: Contribution to journalArticle

wave dispersion
Surface waves
surface waves
Physical properties
physical properties
1 Citation (Scopus)

Dielectric Measurements of Package Materials in an Inhomogeneously Filled Rectangular Waveguide

Dube, D. C., Lanagan, M. T. & Jang, SJ. J., Jan 1 1987, In : Journal of the American Ceramic Society. 70, 10, p. C‐278-C‐280

Research output: Contribution to journalArticle

Rectangular waveguides
permittivity
aluminum oxide
Packaging materials
Aluminum Oxide
54 Citations (Scopus)

Effect of Joint Thickness and Residual Stresses on the Properties of Ceramic Adhesive Joints: I, Finite Element Analysis of Stresses in Joints

KIRCHNER, HENRY. P., CONWAY, JOSEPH. C. & SEGALL, A. E., Feb 1987, In : Journal of the American Ceramic Society. 70, 2, p. 104-109 6 p.

Research output: Contribution to journalArticle

Silicates
residual stress
Adhesive joints
Aluminum Oxide
ceramics
1 Citation (Scopus)

Elastodynamic radiation from line sources buried in layered media having periodically varying interfaces

Lakhtakia, A., Varadan, V. K. & Varadan, V. V., Jan 1 1987, In : Journal of Vibration and Acoustics, Transactions of the ASME. 109, 1, p. 69-74 6 p.

Research output: Contribution to journalArticle

elastodynamics
Boundary conditions
boundary conditions
Seismology
oceanography
24 Citations (Scopus)

Electronic properties of sol-gel-derived oxides on silicon

Weimer, R. A., Lenahan, P. M., Marchione, T. A. & Brinker, C. J., Dec 1 1987, In : Applied Physics Letters. 51, 15, p. 1179-1181 3 p.

Research output: Contribution to journalArticle

gels
oxides
silicon
electronics
amorphous silicon
1 Citation (Scopus)

Erratum: Use of combinatorial algebra for diffusion on fractals(Physical Review A (1987) 35, 3(1445))

Lakhtakia, A., Messier, R., Varadan, V. K. & Varadan, V. V., Dec 1 1987, In : Physical Review A. 35, 3, 1 p.

Research output: Contribution to journalComment/debate

36 Citations (Scopus)

Evidence for homoclinic orbits as a precursor to chaos in a magnetic pendulum

Moon, F. C., Cusumano, J. & Holmes, P. J., Jan 1 1987, In : Physica D: Nonlinear Phenomena. 24, 1-3, p. 383-390 8 p.

Research output: Contribution to journalArticle

pendulums
rotors
chaos
orbits
strange attractors

EVIDENCE FOR POLYCRYSTALLINE Si SURFACE LAYER FORMATION BY ARGON IMPLANTATION AND ITS PASSIVATION BY ATOMIC HYDROGEN.

Chien, H. C., Ashok, S. & Slowik, J. H., 1987, Materials Research Society Symposia Proceedings. Howard, R. E., Hu, E. L., Namba, S. & Pang, S. (eds.). Materials Research Soc, Vol. 76. p. 203-207 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Argon
Passivation
Hydrogen
Grain boundaries
Microcrystals
5 Citations (Scopus)

Excitation of Layered Media Having Rough Interfaces by Line Sources

Lakhtakia, A., Varadan, V. K. & Varadan, V. V., Jan 1 1987, In : IEEE Transactions on Antennas and Propagation. 35, 4, p. 462-466 5 p.

Research output: Contribution to journalArticle

Boundary conditions
Decomposition
Radiation
excitation
plane waves
6 Citations (Scopus)

Fractal dimension from the back-scattering cross section

Lakhtakia, A., Messier, R., Varadan, V. V. & Varadan, V. K., 1987, In : Journal of Physics A: Mathematical and General. 20, 6, p. 1615-1619 5 p., 042.

Research output: Contribution to journalReview article

Sierpinski Gasket
Backscattering
Fractal dimension
Fractal Dimension
scattering cross sections
3 Citations (Scopus)

Fractal structures derivable from the generalisations of the Pascal triangle

Lakhtakia, A., Messier, R., Varadan, V. K. & Varadan, V. V., Dec 1 1987, In : Journal of Physics A: General Physics. 20, 11, 011.

Research output: Contribution to journalArticle

gaskets
Pascal's triangle
Gaskets
Fractal Structure
triangles
23 Citations (Scopus)

Fundamental differences between thick and thin oxides subjected to high electric fields

Warren, W. L. & Lenahan, P. M., Dec 1 1987, In : Journal of Applied Physics. 62, 10, p. 4305-4308 4 p.

Research output: Contribution to journalArticle

oxides
electric fields
ionization
silicon
19 Citations (Scopus)

Generalisations and randomisation of the plane Koch curve

Lakhtakia, A., Varadan, V. K., Messier, R. & Varadan, V. V., 1987, In : Journal of Physics A: General Physics. 20, 11, p. 3537-3541 5 p., 052.

Research output: Contribution to journalArticle

Plane Curve
Fractal dimension
Randomisation
triangles
Triangle
12 Citations (Scopus)
Electron injection
Ionizing radiation
Silicon
Point defects
Silicon Dioxide
38 Citations (Scopus)

Hydrogen embrittlement of amorphous alloys based on iron and nickel

Flis, J., Ashok, S., Stoloff, N. S. & Duquette, D. J., Aug 1987, In : Acta Metallurgica. 35, 8, p. 2071-2079 9 p.

Research output: Contribution to journalArticle

Hydrogen embrittlement
Amorphous alloys
Nickel
Hydrogen
Iron
1 Citation (Scopus)

Image reconstruction of flaws using ramp response signatures

Varadan, V. V., Tsao, S. J., Varadan, V. K. & Tittmann, B. R., Sep 10 1987, In : Proceedings of SPIE - The International Society for Optical Engineering. 768, p. 293-300 8 p.

Research output: Contribution to journalArticle

Elastodynamics
Image Reconstruction
image reconstruction
ramps
Image reconstruction
1 Citation (Scopus)
Creep resistance
Austenitic stainless steel
Precipitates
Creep
Stainless steel
136 Citations (Scopus)

Inhomogeneous wave generation and propagation in lossy anisotropic solids. Application to the characterization of viscoelastic composite materials

Hosten, B., Deschamps, M. & Tittmann, B. R., Jan 1 1987, In : Journal of the Acoustical Society of America. 82, 5, p. 1763-1770 8 p.

Research output: Contribution to journalArticle

wave generation
wave propagation
anisotropic media
composite materials
attenuation

LASER-INDUCED ACOUSTIC SHOCK WAVES.

Tittmann, B. R., Graham, L. J. & Linebarger, R., Dec 1 1987, In : Ultrasonics Symposium Proceedings. p. 1121-1123 3 p.

Research output: Contribution to journalConference article

Shock waves
Acoustic waves
Lasers
Q switched lasers
Water
3 Citations (Scopus)

Low-temperature radiation damage in silicon. I. Annealing studies on n-type material

Awadelkarim, O. O., Jan 1 1987, In : Physica B+C. 144, 3, p. 341-350 10 p.

Research output: Contribution to journalArticle

Radiation damage
Annealing
Silicon
Electron traps
Electrons
3 Citations (Scopus)

Low temperature radiation damage in silicon. II. Production rates and annealing studies on p-type material

Awadelkarim, O. O., Jan 1 1987, In : Physica B+C. 145, 1, p. 39-44 6 p.

Research output: Contribution to journalArticle

Radiation damage
Capacitance
Annealing
Hole traps
Silicon
7 Citations (Scopus)

MECHANICS OF MICRO-DAMAGE IN NOTCHED COMPOSITE LAMINATES.

Reifsnider, K. L., Stinchcomb, W. W., Bakis, C. E. & Yih, R. Y., Dec 1 1987, In : American Society of Mechanical Engineers, Aerospace Division (Publication) AD. 12, p. 65-72 8 p.

Research output: Contribution to journalConference article

laminates
mechanics
Laminates
Mechanics
notches

MICROSTRUCTURAL EVOLUTION IN THE HEAT-AFFECTED ZONE Cr-Mo STEELS ON WELDING AND UPON SUBSEQUENT THERMAL EXPOSURE.

Lundin, C. D., Menon, R., Todd Copley, J. & Henning, J. A., 1987, Unknown Host Publication Title. AWS, p. 175 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microstructural evolution
Heat affected zone
Carbides
Welding
Steel
27 Citations (Scopus)

NATURE OF THE DEEP HOLE TRAP IN MOS OXIDES.

Witham, H. S. & Lenahan, P. M., Dec 1987, In : IEEE Transactions on Nuclear Science. NS-34, 6

Research output: Contribution to journalArticle

Hole traps
traps
Oxides
Capacitance measurement
oxides
90 Citations (Scopus)

Nature of the E' deep hole trap in metal-oxide-semiconductor oxides

Witham, H. S. & Lenahan, P. M., Dec 1 1987, In : Applied Physics Letters. 51, 13, p. 1007-1009 3 p.

Research output: Contribution to journalArticle

metal oxide semiconductors
traps
oxides
silicon dioxide
electrical measurement
12 Citations (Scopus)

On the equivalence of sources and duality of fields in isotropic chiral media

Varadan, V. V., Lakhtakia, A. & Varadan, V. K., Dec 1 1987, In : Journal of Physics A: Mathematical and General. 20, 18, p. 6259-6264 6 p., 025.

Research output: Contribution to journalArticle

Chiral Media
del operator
equivalence
Duality
derivation
3 Citations (Scopus)

On the influence of chirality on the scattering response of a chiral scatterer

Lakhtakia, A., Varadan, V. K. & Varadan, V. V., Feb 1987, In : IEEE Transactions on Electromagnetic Compatibility. EMC-29, 1, p. 70-72 3 p.

Research output: Contribution to journalArticle

Electromagnetic field theory
handedness
Textbooks
Chirality
Charge density
51 Citations (Scopus)

On the symmetries of the Julia sets for the process zzp+c

Lakhtakia, A., Varadan, V. V., Messier, R. & Varadan, V. K., Dec 1 1987, In : Journal of Physics A: General Physics. 20, 11, p. 3533-3535 3 p., 051.

Research output: Contribution to journalArticle

Julia set
Fold
Mandelbrot set
Symmetry
symmetry
22 Citations (Scopus)

Permeation of hydrogen into silicon during low-energy hydrogen ion beam bombardment

Horn, M. W., Heddleson, J. M. & Fonash, S. J., Dec 1 1987, In : Applied Physics Letters. 51, 7, p. 490-492 3 p.

Research output: Contribution to journalArticle

hydrogen ions
bombardment
recovery
ion beams
permeating
65 Citations (Scopus)

pH-sensitive WO3-based microelectrochemical transistors

Natan, M. J., Mallouk, T. E. & Wrighton, M. S., 1987, In : Journal of Physical Chemistry. 91, 3, p. 648-654 7 p.

Research output: Contribution to journalArticle

Microelectrodes
Transistors
transistors
Cyclic voltammetry
Amplification
13 Citations (Scopus)

Radiated potentials and fields in isotropic chiral media

Varadan, V. K., Lakhtakia, A. & Varadan, V. V., Dec 1 1987, In : Journal of Physics A: Mathematical and General. 20, 14, p. 4697-4702 6 p., 014.

Research output: Contribution to journalArticle

Chiral Media
Vector Potential
Electric Potential
Potential Theory
Vector Field
2 Citations (Scopus)

Radiation from SH-wave line sources embedded in layered media having rough interfaces

Lakhtakia, A., Varadan, V. K. & Varadan, V. V., Jan 1 1987, In : Journal of the Acoustical Society of America. 81, 1, p. 37-43 7 p.

Research output: Contribution to journalArticle

SH waves
radiation
elastic waves
plane waves
boundary conditions
2 Citations (Scopus)

Scattered-light analysis of a surface-flawed plate subjected to cylindrical bending

Segall, A. E. & Conway, J. C., Mar 1 1987, In : Experimental Mechanics. 27, 1, p. 64-67 4 p.

Research output: Contribution to journalArticle

Stress intensity factors
Defects
Finite element method
19 Citations (Scopus)

SELF-SIMILARITY IN DIFFRACTION BY A SELF-SIMILAR FRACTAL SCREEN.

Lakhtakia, A., Holter, N. S., Varadan, V. K. & Varadan, V. V., Feb 1 1987, In : IEEE Transactions on Antennas and Propagation. AP-35, 2, p. 236-239 4 p.

Research output: Contribution to journalArticle

Fractals
Diffraction
Gaskets
Profitability
1 Citation (Scopus)

Silicon surface barrier modification by low-energy nitrogen ion implantation

Ringel, S. A. & Ashok, S., Jun 1987, In : Journal of the Electrochemical Society. 134, 6, p. 1494-1499 6 p.

Research output: Contribution to journalArticle

Carrier transport
nitrogen ions
Silicon
Ion bombardment
Amorphous silicon
35 Citations (Scopus)

Space-charge-limited current in thin-film diamond

Ashok, S., Srikanth, K., Badzian, A., Badzian, T. & Messier, R., Dec 1 1987, In : Applied Physics Letters. 50, 12, p. 763-765 3 p.

Research output: Contribution to journalArticle

space charge
diamonds
traps
MIS (semiconductors)
thin films
43 Citations (Scopus)

Split spectrum processing: optimizing the processing parameters using minimization

Karpur, P., Shankar, P. M., Rose, J. L. & Newhouse, V. L., Jul 1987, In : Ultrasonics. 25, 4, p. 204-208 5 p.

Research output: Contribution to journalArticle

Signal to noise ratio
optimization
signal to noise ratios
Processing
augmentation
46 Citations (Scopus)

Stable photoinduced paramagnetic defects in hydrogenated amorphous silicon nitride

Krick, D. T., Lenahan, P. M. & Kanicki, J., Dec 1 1987, In : Applied Physics Letters. 51, 8, p. 608-610 3 p.

Research output: Contribution to journalArticle

silicon nitrides
amorphous silicon
defects
metal oxide semiconductors
ultraviolet radiation
2 Citations (Scopus)

Summary Abstract: Low-energy argon implantation studies on Au/GaAs Schottky diodes

Wang, Y. G., Ashok, S. & Dietrich, H., Jul 1 1987, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 5, 4, p. 1534-1535 2 p.

Research output: Contribution to journalArticle

Schottky diodes
Argon
implantation
Diodes
argon
6 Citations (Scopus)

SYNTHESIS OF AN ULTRASONIC ARRAY USING LASER-BASED TECHNIQUES.

Addison, R. C., Graham, L. J., Linebarger, R. S. & Tittmann, B. R., Dec 1 1987, In : Ultrasonics Symposium Proceedings. p. 1109-1113 5 p.

Research output: Contribution to journalConference article

Ultrasonics
Lasers
Interferometers
Inspection
Detectors
54 Citations (Scopus)

The effect of graded hypoxia on the hippocampal slice: An in vitro model of the ischemic penumbra

Schiff, S. J. & Somjen, G. G., Jan 1 1987, In : Stroke. 18, 1, p. 30-37 8 p.

Research output: Contribution to journalArticle

Synaptic Transmission
In Vitro Techniques
Hypoxia
Potassium
Baths