Engineering Science and Mechanics

  • United States

Research Output 1963 2020

1982
7 Citations (Scopus)

Utility of a probability-density-function curve and F-maps in composite-material inspection - The development of an inspectability criterion based on probability-density functions

Rose, J. L., Jeong, Y. H. & Avioli, M. J., Apr 1 1982, In : Experimental Mechanics. 22, 4, p. 155-160 6 p.

Research output: Contribution to journalArticle

Probability density function
Inspection
Composite materials
Damage detection
Nondestructive examination
1981
148 Citations (Scopus)

A Study of Pd/Si MIS Schottky Barrier Diode Hydrogen Detector

Ruths, P. F., Ashok, S. & Fonash, S. J., Jan 1 1981, In : IEEE Transactions on Electron Devices. 28, 9, p. 1003-1009 7 p.

Research output: Contribution to journalArticle

Schottky barrier diodes
Management information systems
Hydrogen
Detectors
Diodes
17 Citations (Scopus)

Conducting mis diode gas detectors: the Pd/SiOx/Si hydrogen sensor

Fonash, S. J., Huston, H. & Ashok, S., Jan 1 1981, In : Sensors and Actuators. 2, C, p. 363-369 7 p.

Research output: Contribution to journalArticle

Gas detectors
Diodes
Hydrogen
Sensors
Interface states

DEVELOPMENT AND QUALIFICATION OF A FEATURE BASED ULTRASONIC PIPING INSPECTION SYSTEM FOR THE NUCLEAR INDUSTRY.

Rose, J. L., Avioli, M. J., Zeger, A., Abrams, B. & Lapides, M., Dec 1 1981, p. 109-115. 7 p.

Research output: Contribution to conferencePaper

Nuclear industry
Inspection
Ultrasonics
50 Citations (Scopus)

Dislocation distribution and prediction of fatigue damage

Pangborn, R. N., Weissmann, S. & Kramer, I. R., Jan 1 1981, In : Metallurgical Transactions A. 12, 1, p. 109-120 12 p.

Research output: Contribution to journalArticle

Fatigue damage
damage
surface layers
predictions
Fatigue of materials
114 Citations (Scopus)

Effect of ion-beam sputter damage on Schottky barrier formation in silicon

Fonash, S. J., Ashok, S. & Singh, R., Dec 1 1981, In : Applied Physics Letters. 39, 5, p. 423-425 3 p.

Research output: Contribution to journalArticle

ion beams
damage
silicon
Schottky diodes
molybdenum
20 Citations (Scopus)

Frequency dependence of seismic dissipation in saturated rocks

Tittmann, B. R., Nadler, H., Clark, V. A., Ahlberg, L. A. & Spencer, T. W., Jan 1981, In : Geophysical Research Letters. 8, 1, p. 36-38 3 p.

Research output: Contribution to journalArticle

frequency dependence
dissipation
sandstones
rocks
rock
6 Citations (Scopus)

Giant dielectric constant in the one-dimensional semiconductor Meφ3As (TCNQ)2

Lenahan, P. M. & Rowland, T. J., Jan 1981, In : Solid State Communications. 37, 3, p. 223-227 5 p.

Research output: Contribution to journalArticle

Permittivity
permittivity
Semiconductor materials
Magnetic resonance
strands
2 Citations (Scopus)

LIQUID METAL & HYDROGEN EMBRITTLEMENT OF NICKEL & IRON-BASE AMORPHOUS ALLOYS.

Ashok, S., Slavin, T., Stoloff, N. S. & Glicksman, M. E., Dec 1 1981, p. 245-255. 11 p.

Research output: Contribution to conferencePaper

Hydrogen embrittlement
Nickel
34 Citations (Scopus)

Liquid metal and hydrogen embrittlement of amorphous alloys

Ashok, S., Stoloff, N. S., Glicksman, M. E. & Slavin, T., Mar 1981, In : Scripta Metallurgica. 15, 3, p. 331-337 7 p.

Research output: Contribution to journalArticle

Hydrogen embrittlement
Amorphous alloys
Liquid metals
3 Citations (Scopus)

Machine stiffness appropriate for experimental simulation of earthquake processes

Kikuchi, M., McNally, K. & Tittmann, B. R., Apr 1981, In : Geophysical Research Letters. 8, 4, p. 321-323 3 p.

Research output: Contribution to journalArticle

acoustic emission
stiffness
earthquakes
earthquake
subsidence
4 Citations (Scopus)

MEASUREMENT OF CUMULATIVE FATIGUE DAMAGE BY X-RAY DOUBLE-CRYSTAL AND SCANNING DIFFRACTION METHODS.

Pangborn, R. N., Weissmann, S. & Kramer, I. R., 1981, Advances in X-Ray Analysis. Plenum Press, Vol. 24. p. 203-208 6 p.

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

Fatigue damage
Diffraction
Scanning
X rays
Crystals
15 Citations (Scopus)

Near-Field Absorption in Prolate Spheroidal Models of Humans Exposed to a Small Loop Antenna of Arbitrary Orientation

Lakhtakia, A., Iskander, M. F., Durney, C. H. & Massoudi, H., Jan 1 1981, In : IEEE Transactions on Microwave Theory and Techniques. 29, 6, p. 588-594 7 p.

Research output: Contribution to journalArticle

loop antennas
Loop antennas
near fields
spheroids
magnetic dipoles

NEW CLASS OF STEELS FOR THICK WALL PRESSURE VESSELS.

Bradley, R. A., Todd Copley, J., Spencer, P. N. & Parker, E. R., Dec 1 1981.

Research output: Contribution to conferencePaper

Pressure vessels
Steel
6 Citations (Scopus)
Permittivity
permittivity
Semiconductor materials
electrical resistivity
Semiconducting organic compounds
34 Citations (Scopus)

On Resolving the Anomaly of Indium-tin Oxide Silicon Junctions

Ashok, S., Fonash, S. J., Singh, R. & Wiley, P., Apr 1981, In : IEEE Electron Device Letters. 2, 7, p. 184-186 3 p.

Research output: Contribution to journalArticle

Silicon
Tin oxides
Indium
Ion beams
Ohmic contacts
6 Citations (Scopus)

On the pinhole model for MIS diodes

Fonash, S. J. & Ashok, S., Jan 1 1981, In : Solid State Electronics. 24, 11, p. 1075-1076 2 p.

Research output: Contribution to journalArticle

Management information systems
Diodes
63 Citations (Scopus)

Radiation-induced trivalent silicon defect buildup at the si-sio2 interface in MOS structures

Lenahan, P. M., Brower, K. L., Dressendorfer, P. V. & Johnson, W. C., Dec 1981, In : IEEE Transactions on Nuclear Science. 28, 6, p. 4105-4106 2 p.

Research output: Contribution to journalArticle

Radiation
Silicon
Defects
Capacitance measurement
Interface states

SCATTERING AND ABSORPTION OF LOSS DIELECTRIC OBJECTS IRRADIATED BY THE NEAR FIELDS OF APERTURE SOURCE.

Lakhtakia, A., Iskander, M. F., Durney, C. H. & Massoudi, H., 1981, In : AP-S International Symposium (Digest) (IEEE Antennas and Propagation Society). 1, p. 304-307 4 p.

Research output: Contribution to journalArticle

Dielectric losses
Solar radiation
Irradiation
Scattering
11 Citations (Scopus)

The effect of thermal cycling on the seismic quality factor Q of some sedimentary rocks.

Clark, V. A., Spencer, T. W. & Tittmann, B. R., Jan 1 1981, In : Journal of Geophysical Research. 86, B8, p. 7087-7094 8 p.

Research output: Contribution to journalArticle

sedimentary rocks
Sedimentary rocks
Q factor
Thermal cycling
Q factors
7 Citations (Scopus)

The role of interfaces in the hydrogen embrittlement of nickel

Ashok, S., Duquette, D. J., Stoloff, N. S. & Verpoort, C., Jan 1 1981, In : Scripta Metallurgica. 15, 12, p. 1329-1332 4 p.

Research output: Contribution to journalArticle

Hydrogen embrittlement
Nickel

ULTRASONIC GLOBAL INSPECTION TECHNIQUE FOR AN OFFSHORE K-JOINT.

Jeong, Y. H., Avioli, M. J. & Rose, J. L., Dec 1 1981. 1 p.

Research output: Contribution to conferencePaper

Inspection
Ultrasonics
1980
1 Citation (Scopus)

An adhesive bond strength prediction algorithm based on ultrasonic signal analysis

Rose, J. L. & Thomas, G. H., Jul 1980, In : International Journal of Adhesion and Adhesives. 1, 1, p. 29-33 5 p.

Research output: Contribution to journalArticle

Signal analysis
Adhesives
Ultrasonics
Aluminum
Defects
1 Citation (Scopus)

ANALYSIS OF THE DUAL-ELEMENT ANGLE BEAM TRANSDUCER.

Rose, J. L. & Singh, G. P., Jan 1 1980, Materials Evaluation, 38, 7, p. 38-43 6 p.

Research output: Contribution to specialist publicationArticle

Transducers
Roofs
Signal to noise ratio
2 Citations (Scopus)

An Ultrasonic Evaluation and Quality Control Tool for Adhesive Bonds

Thomas, G. H. & Rose, J. L., Jan 1 1980, In : The Journal of Adhesion. 10, 4, p. 293-316 24 p.

Research output: Contribution to journalArticle

quality control
adhesives
Quality control
test stands
ultrasonics

Behaviour of inclusions during processing and its effect on directionality

Ashok, S., Jan 1980, In : Scripta Metallurgica. 14, 1, p. 31-34 4 p.

Research output: Contribution to journalArticle

Aluminum copper alloys
Processing
3 Citations (Scopus)

Compressive strength, seismic Q, and elastic modulus.

Tittmann, B. R., Clark, V. A. & Spencer, T. W., Jan 1 1980, In : Geochimica et Cosmochimica Acta, Supplement. 14, 3, p. 1815-1823 9 p.

Research output: Contribution to journalArticle

elastic modulus
surface energy
compressive strength
benzene
alcohol
11 Citations (Scopus)

Current transport in GaAs Schottky barrier diodes subject to high neutron fluence

Ashok, S., Borrego, J. M. & Gutmann, R. J., Dec 1 1980, In : Journal of Applied Physics. 51, 2, p. 1076-1084 9 p.

Research output: Contribution to journalArticle

Schottky diodes
fluence
traps
neutrons
neutron irradiation
5 Citations (Scopus)

Elastic wave scattering at long wavelengths

Tittmann, B. R., Morris, W. L. & Richardson, J. M., Dec 1 1980, In : Applied Physics Letters. 36, 3, p. 199-201 3 p.

Research output: Contribution to journalArticle

wave scattering
elastic waves
elastic scattering
longitudinal waves
wavelengths
50 Citations (Scopus)

Evidence of Space-Charge-Limited Current in Amorphous Silicon Schottky Diodes

Ashok, S., Lester, A. & Fonash, S. J., Oct 1980, In : IEEE Electron Device Letters. 1, 10, p. 200-202 3 p.

Research output: Contribution to journalArticle

Schottky barrier diodes
Palladium
Amorphous silicon
Electric space charge
Diodes
31 Citations (Scopus)

Evidence of tunnel-assisted transport in nondegenerate MOS and semiconductor-oxide-semiconductor diodes at room temperature

Kar, S., Ashok, S. & Fonash, S. J., Dec 1 1980, In : Journal of Applied Physics. 51, 6, p. 3417-3421 5 p.

Research output: Contribution to journalArticle

semiconductor diodes
tunnels
semiconductor junctions
oxides
capacitance-voltage characteristics
1 Citation (Scopus)

FATIGUE FAILURE PREDICTION BY X-RAY DOUBLE CRYSTAL DIFFRACTOMETRY AND TOPOGRAPHY.

Pangborn, R. N., Weissmann, S. & Kramer, I. R., Jan 1 1980, p. 1279-1284. 6 p.

Research output: Contribution to conferencePaper

Topography
Fatigue of materials
X rays
Crystals
Strain hardening
23 Citations (Scopus)

Fatigue lifetime prediction with the aid of SAW NDE

Tittmann, B. R. & Buck, O., Jun 1 1980, In : Journal of Nondestructive Evaluation. 1, 2, p. 123-136 14 p.

Research output: Contribution to journalArticle

Fatigue of materials
Cracks
Crack closure
Surface waves
Physics
1 Citation (Scopus)

FLAW CLASSIFICATION IN WELDED PLATES USING A MICROPROCESSOR CONTROLLED FLAW DETECTOR.

Rose, J. L., Nestleroth, J. B. & Poplawski, E. G., Jan 1 1980, In : NDT international. 13, 4, p. 159-164 6 p.

Research output: Contribution to journalArticle

Steel
microprocessors
Microprocessor chips
steels
Detectors
2 Citations (Scopus)

Growth and characterization of large crystals of methyltriphenylarsenium tetracyanoquinodimethane [Meø3As(TCNQ)2]

Lenahan, P. M. & DePasquali, G., Jan 1 1980, In : Journal of Crystal Growth. 50, 3, p. 739-742 4 p.

Research output: Contribution to journalArticle

visual observation
Acetonitrile
acetonitrile
Optical microscopy
Nuclear magnetic resonance

HETEROJUNCTION SOLAR CELL DESIGN AND EVALUATION.

Fonash, S. J. & Ashok, S., Jan 1 1980, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 591-595 5 p.

Research output: Contribution to journalConference article

Heterojunctions
Solar cells
3 Citations (Scopus)

IMAGING IN NDE.

Tittmann, B. R., Jan 1 1980, p. 315-340. 26 p.

Research output: Contribution to conferencePaper

Ultrasonic imaging
Imaging systems
Imaging techniques
3 Citations (Scopus)

MEASUREMENT TECHNIQUES IN ELASTIC WAVE SCATTERING EXPERIMENTS.

Ahlberg, L. A. & Tittmann, B. R., Jan 1 1980, In : Ultrasonics Symposium Proceedings. 2, p. 842-846 5 p.

Research output: Contribution to journalConference article

Elastic waves
Scattering
Defects
Cracks
Experiments
1 Citation (Scopus)

MICROPROCESSOR UTILIZATION IN ULTRASONIC NONDESTRUCTIVE INSPECTION SYSTEMS.

Rose, J. L. & Thomas, G. H., Jan 1 1980, Materials Evaluation, 38, 1, p. 69-76 8 p.

Research output: Contribution to specialist publicationArticle

Microprocessor chips
Inspection
Ultrasonics
Steel
Quality control
33 Citations (Scopus)

Microscopic observations on the thermal decomposition of α-aluminum hydride

Herley, P. J., Christofferson, O. & Todd, J. A., Dec 1980, In : Journal of Solid State Chemistry. 35, 3, p. 391-401 11 p.

Research output: Contribution to journalArticle

aluminum hydrides
Aluminum
Hydrides
thermal decomposition
filaments
3 Citations (Scopus)

PERFORMANCE STUDY OF p + /n AND n + /p SOLAR CELL STRUCTURES ON POLYCRYSTALLINE MATERIAL.

Lester, P., Fonash, S. J. & Ashok, S., Jan 1 1980, In : Conference Record of the IEEE Photovoltaic Specialists Conference. p. 82-85 4 p.

Research output: Contribution to journalConference article

Polycrystalline materials
Solar cells
Grain boundaries
Passivation
Lighting
1 Citation (Scopus)

Phenomenological theory of attenuation and propagation velocity in rocks.

Richardson, J. M. & Tittmann, B. R., Jan 1 1980, In : Geochimica et Cosmochimica Acta, Supplement. 14, 3, p. 1837-1846 10 p.

Research output: Contribution to journalArticle

elastic wave
quartzite
activation energy
rock
sandstone

PHENOMENOLOGICAL THEORY OF ATTENUATION AND PROPAGATION VELOCITY OF ELASTIC WAVES IN ROCKS.

Richardson, J. M. & Tittmann, B. R., Jan 1 1980, In : Ultrasonics Symposium Proceedings. 2, p. 1027-1031 5 p.

Research output: Contribution to journalConference article

Elastic waves
Rocks
Partial pressure
Activation energy
Chemical activation

ROLE OF INTERFACE STATES IN PHOTOELECTROCHEMICAL CELLS.

Kar, S., Jain, S., Heller, A., Ashok, S. & Fonash, S. J., Jan 1 1980, In : Unknown Journal. p. 538-544 7 p.

Research output: Contribution to journalConference article

Photoelectrochemical cells
Interface states
Ruthenium
photovoltages
Surface states
3 Citations (Scopus)

Si and GaAs SIS heterostructure solar cells using spray-deposited ITO

Sharma, P. P., Anthony, T. C., Ashok, S., Fonash, S. J. & Tongson, L. L., Jan 1980, In : Japanese Journal of Applied Physics. 19, p. 551-556 6 p.

Research output: Contribution to journalArticle

SIS (semiconductors)
Tin oxides
indium oxides
Indium
tin oxides
7 Citations (Scopus)

Si AND GaAs SIS HETEROSTRUCTURE SOLAR CELLS USING SPRAY-DEPOSITED ITO.

Sharma, P. P., Anthony, T. C., Ashok, S., Fonash, S. J. & Tongson, L. L., Jan 1 1980, p. 551-555. 5 p.

Research output: Contribution to conferencePaper

Tin oxides
Indium
Heterojunctions
Solar cells
Semiconductor materials
1 Citation (Scopus)

SOME ADDITIONAL ASPECTS OF THE STANDARDLESS SENSITIVITY SELECTION TECHNIQUE.

Rogovsky, A. J. & Rose, J. L., Jan 1 1980, Materials Evaluation, 38, 9, p. 47-52 6 p.

Research output: Contribution to specialist publicationArticle

Defects
Transducers
Compensation and Redress
107 Citations (Scopus)

Spray-Deposited ITO-Silicon SIS Heterojunction Solar Cells

Ashok, S., Fonash, S. J. & Sharma, P. P., Apr 1980, In : IEEE Transactions on Electron Devices. 27, 4, p. 725-730 6 p.

Research output: Contribution to journalArticle

SIS (semiconductors)
Silicon
Tin oxides
indium oxides
Indium
1 Citation (Scopus)

SPUTTERED IRON OXIDE/SILICON HETEROSTRUCTURES.

Kardauskas, M. J., Fonash, S. J., Ashok, S., Krishnaswamy, S. V. & Messier, R. F., Jan 1 1980, In : Journal of vacuum science & technology. 18, 2, p. 376-378 3 p.

Research output: Contribution to journalConference article

Ohmic contacts
Iron oxides
Heterojunctions
Silicon
Film thickness
27 Citations (Scopus)

Surface wave scattering from elliptical cracks for failure prediction

Tittmann, B. R., Buck, O., Ahlberg, L., De Billy, M., Cohen-Tenoudji, F., Jungman, A. & Quentin, G., Dec 1 1980, In : Journal of Applied Physics. 51, 1, p. 142-150 9 p.

Research output: Contribution to journalArticle

wave scattering
surface waves
cracks
predictions
crack closure