Engineering Science and Mechanics

  • United States

Research Output 1963 2020

1980
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

Ultrasonic field analysis program for transducer design in the nuclear industry.

Singh, G. P. & Rose, J. L., Jan 1 1980, In : [No source information available].

Research output: Contribution to journalArticle

Nuclear industry
Transducers
transducers
ultrasonics
Ultrasonics
5 Citations (Scopus)

ULTRASONIC NONDESTRUCTIVE TEST PROCEDURE FOR THE EARLY DETECTION OF FATIGUE DAMAGE AND THE PREDICTION OF REMAINING LIFE.

Carson, J. M. & Rose, J. L., Jan 1 1980, Materials Evaluation, 38, 4, p. 27-34 8 p.

Research output: Contribution to specialist publicationArticle

Fatigue damage
Ultrasonics
Defects
Nondestructive examination
Crack initiation

Ultrasound resolution and penetration principles

Rose, J. L. & Goldberg, B. B., Jan 1 1980, In : Medical Ultrasound. 4, 1, p. 12-15 4 p.

Research output: Contribution to journalArticle

Transducers
Physics
Ultrasonography
1979
7 Citations (Scopus)

An additional source of photovoltage in photoconductive materials

Fonash, S. J. & Ashok, S., Dec 1 1979, In : Applied Physics Letters. 35, 7, p. 535-537 3 p.

Research output: Contribution to journalArticle

photovoltages
solar cells
open circuit voltage
photoconductivity
electric potential
2 Citations (Scopus)

Brief note for consideration of active seismic exploration on Mars.

Tittmann, B. R., Jan 1 1979, In : Journal of Geophysical Research. 84, B14, p. 7940-7942 3 p.

Research output: Contribution to journalArticle

mars
Mars
Water
lunar crust
geophysics
7 Citations (Scopus)

COMPUTER-CONTROLLED ULTRASONIC ADHESIVE BOND EVALUATION.

Raisch, J. W. & Rose, J. L., May 1 1979, Materials Evaluation, 37, 6, p. 55-64 10 p.

Research output: Contribution to specialist publicationArticle

Adhesives
Ultrasonics
Metals
Data acquisition
Mechanics

DUAL ELEMENT ANGLE BEAM TRANSDUCER.

Singh, G. P. & Rose, J. L., Jan 1 1979, In : Modern Plastics. 1 p.

Research output: Contribution to journalConference article

Transducers
Roofs
Signal to noise ratio
Crystals
121 Citations (Scopus)

Electrical characteristics of GaAs MIS Schottky diodes

Ashok, S., Borrego, J. M. & Gutmann, R. J., Jul 1979, In : Solid State Electronics. 22, 7, p. 621-631 11 p.

Research output: Contribution to journalArticle

semiconductor diodes
MIS (semiconductors)
Schottky diodes
Diodes
Metals
6 Citations (Scopus)

FISHER LINEAR DISCRIMINANT FUNCTION FOR ADHESIVE BOND STRENGTH PREDICTION.

Rose, J. L. & Thomas, G. H., Jan 1 1979, In : Br J Non Destr Test. 21, 3, p. 135-139 5 p.

Research output: Contribution to journalArticle

Bond strength (materials)
Adhesives
Metals
Delamination
Curing

GENERALIZED ADHESIVE BOND STRENGTH PREDICTION ALGORITHM BASED ON ULTRASONIC SIGNAL ANALYSIS.

Thomas, G. H. & Rose, J. L., Jan 1 1979, Solid State Technology.

Research output: Contribution to specialist publicationArticle

signal analysis
Signal analysis
test stands
Aluminum
adhesives

MODEL FOR THE I-V CHARACTERISTICS OF ELECTROCHEMICAL PHOTOVOLTAIC DEVICES.

Fonash, S. J. & Ashok, S., Jan 1 1979, p. 446-449. 4 p.

Research output: Contribution to conferencePaper

Solar cells
Lighting
Semiconductor materials
Electric potential
7 Citations (Scopus)

Non-Ohmic electrical conduction in the highly one-dimensional semiconductor methyltriphenylarsonium tetracyanoquinodimethane

Lenahan, P. M. & Rowland, T. J., Jan 1 1979, In : Physical Review Letters. 43, 12, p. 879-882 4 p.

Research output: Contribution to journalArticle

conduction
Ohms law
strands
electrons
deviation
10 Citations (Scopus)

PATTERN RECOGNITION REFLECTOR CLASSIFICATION FEASIBILITY STUDY IN THE ULTRASONIC INSPECTION OF STAINLESS STEEL PIPE WELDS.

Rose, J. L. & Singh, G. P., Nov 1 1979, In : British Journal of Non-Destructive Testing. 21, 6, p. 308-311 4 p.

Research output: Contribution to journalArticle

Steel pipe
Pattern recognition
Welds
Stainless steel
Inspection
5 Citations (Scopus)

PREDICTION OF FATIGUE LIFE BY X‐RAY DIFFRACTION METHODS

PANGBORN, R. N., WEISSMANN, S. & KRAMER, I. R., Apr 1979, In : Fatigue & Fracture of Engineering Materials & Structures. 1, 3, p. 363-369 7 p.

Research output: Contribution to journalArticle

Diffraction
Fatigue of materials
Defect structures
Molybdenum
Topography

STRESS CORROSION CRACKING VS. GEOMETRIC REFLECTOR CLASSIFICATION ANALYSIS FOR 304 AUSTENITIC STAINLESS STEEL PIPE WELD SPECIMENS.

Rose, J. L. & Singh, G. P., Jan 1 1979, Solid State Technology.

Research output: Contribution to specialist publicationArticle

stress corrosion cracking
austenitic stainless steels
Steel pipe
Stress corrosion cracking
Austenitic stainless steel

ULTRASONIC ARTIFACTS IN B-MODE ANALYSIS.

Rose, J. L., Good, M. S. & Goldberg, B. B., Dec 1 1979. 1 p.

Research output: Contribution to conferencePaper

2 Citations (Scopus)

ULTRASONIC TESTING SENSITIVITY SELECTION BASED ON PROBABILISTIC TECHNIQUES.

Rogovsky, A. J. & Rose, J. L., Mar 1 1979, Materials Evaluation, 37, 4, p. 47-55 9 p.

Research output: Contribution to specialist publicationArticle

Ultrasonic testing
Defects
Minicomputers
Testing
Data acquisition
1978
21 Citations (Scopus)

A simple approach to estimate the size of small surface cracks with the use of acoustic surface waves

Tittmann, B. R., Cohen-Ténoudji, F., De Billy, M., Jungman, A. & Quentin, G., Dec 1 1978, In : Applied Physics Letters. 33, 1, p. 6-8 3 p.

Research output: Contribution to journalArticle

surface cracks
surface waves
cracks
acoustics
estimates

COMPUTER-ASSISTED ULTRASONIC NONDESTRUCTIVE EVALUATION.

Rose, J. L. & Rogovsky, A. J., Jan 1 1978, p. 455-469. 15 p.

Research output: Contribution to conferencePaper

Ultrasonics
Crack detection
Computer applications
Computer control
Structural dynamics
7 Citations (Scopus)

Estimation of surface-layer structure from Rayleigh-wave dispersion. III. Sparse data case - Interpretation of experimental data

Tittmann, B. R. & Richardson, J. M., Dec 1 1978, In : Journal of Applied Physics. 49, 10, p. 5242-5249 8 p.

Research output: Contribution to journalArticle

wave dispersion
Rayleigh waves
surface layers
profiles
surface waves
4 Citations (Scopus)

Gamma irradiation insensitivity of gaas schottky diodes

Ashok, S., Borrego, J. M. & Gutmann, R. J., Apr 1978, In : IEEE Transactions on Nuclear Science. 25, 2, p. 999-1000 2 p.

Research output: Contribution to journalArticle

Schottky diodes
Diodes
Irradiation
Schottky barrier diodes
irradiation

MEASUREMENTS OF THE ANGULAR AND FREQUENCY DEPENDENCE OF ACOUSTIC SURFACE WAVE SCATTERING FROM SURFACE CRACKS.

Tittmann, B. R., de Billy, M., Cohen-Tenoudji, F., Jungman, A. & Quentin, G., Jan 1 1978, In : [No source information available]. p. 379-383 5 p.

Research output: Contribution to journalConference article

Surface waves
Acoustic waves
Scattering
Cracks
Defects

NON-INVERTING OP-AMP CIRCUITS USING CURRENT MIRROR.

Ashok, S. & Tiwari, S., Jan 1 1978, In : Electron Eng (London). 50, 611, 1 p.

Research output: Contribution to journalArticle

Operational amplifiers
Mirrors
Networks (circuits)
Resistors
Transistors
5 Citations (Scopus)

Radiation effects in GAAS MIS schottky diodes

Ashok, S., Borrego, J. M. & Gutmann, R. J., 1978, In : IEEE Transactions on Nuclear Science. 25, 6, p. 1473-1478 6 p.

Research output: Contribution to journalArticle

Radiation effects
Management information systems
MIS (semiconductors)
radiation effects
Schottky diodes
16 Citations (Scopus)

Scattering of longitudinal waves incident on a spherical cavity in a solid

Tittmann, B. R., Cohen, E. R. & Richardson, J. M., Jan 1978, In : Journal of the Acoustical Society of America. 63, 1, p. 68-74 7 p.

Research output: Contribution to journalArticle

longitudinal waves
ultrasonics
cavities
transverse waves
pulses
53 Citations (Scopus)

Ultrasonic attenuation in ceramics

Evans, A. G., Tittmann, B. R., Ahlberg, L., Khuri-Yakub, B. T. & Kino, G. S., Dec 1 1978, In : Journal of Applied Physics. 49, 5, p. 2669-2679 11 p.

Research output: Contribution to journalArticle

ultrasonics
attenuation
ceramics
polycrystals
scattering cross sections
2 Citations (Scopus)

Ultrasonic measurements for the prediction of mechanical strength

Tittmann, B. R., Jan 1 1978, In : NDT international. 11, 1, p. 17-22 6 p.

Research output: Contribution to journalArticle

Ultrasonic measurement
ductility
Strength of materials
Ductility
ultrasonics
17 Citations (Scopus)

Work hardening in the surface layer and in the bulk during fatigue

Pangborn, R. N., Weissmann, S. & Kramer, I. R., Jan 1 1978, In : Scripta Metallurgica. 12, 2, p. 129-131 3 p.

Research output: Contribution to journalArticle

Strain hardening
Fatigue of materials
1977
9 Citations (Scopus)

23 FLAW SORTING STUDY IN ULTRASONICS AND PATTERN RECOGNITION.

Rose, J. L., Jan 1 1977, Materials Evaluation, 35, 7, p. 87-92 6 p.

Research output: Contribution to specialist publicationArticle

Sorting
Pattern recognition
Ultrasonics
Defects
Electric discharge machining
3 Citations (Scopus)

An Accurate Voltage-Controlled Negative Resistance Circuit

Ashok, S., Jun 1977, In : IEEE Journal of Solid-State Circuits. 12, 3, p. 311-313 3 p.

Research output: Contribution to journalArticle

Negative resistance
Networks (circuits)
Electric potential
Resistors
Silicon

ASPECTS OF THE ADHESIVE BOND STRENGTH CLASSIFICATION PROBLEM.

Rose, J. L., Jan 1 1977, p. 389-398. 10 p.

Research output: Contribution to conferencePaper

Adhesives
Ultrasonics
Nondestructive examination
Delamination
Inspection

Comments on “Rapid Determination of Emitter- and Collector-Bulk Resistances”

Ashok, S., Jan 1 1977, In : IEEE Journal of Solid-State Circuits. 12, 1, 1 p.

Research output: Contribution to journalComment/debate

Networks (circuits)

Comments on “Rapid Determination of Emitter- and Collector-Bulk Resistances”

Ashok, S., 1977, In : IEEE Journal of Solid-State Circuits. 12, 1, p. 88 1 p.

Research output: Contribution to journalComment/debate

9 Citations (Scopus)

Estimation of surface layer structure from Rayleigh wave dispersion. II. Sparse-data case - Analytical theory

Richardson, J. M. & Tittmann, B. R., Dec 1 1977, In : Journal of Applied Physics. 48, 12, p. 5111-5121 11 p.

Research output: Contribution to journalArticle

wave dispersion
Rayleigh waves
surface layers
estimators
mathematical models
15 Citations (Scopus)

FAILURE PREDICTION IN STRUCTURAL CERAMICS.

Evans, A., Kino, G. S., Khuri-Yakub, B. T. & Tittmann, B. R., Jan 1 1977, Materials Evaluation, 35, 4, p. 85-96 12 p.

Research output: Contribution to specialist publicationArticle

Structural ceramics
Ultrasonics
1 Citation (Scopus)

GENERATE NONLINEAR SWEEP FUNCTIONS ACROSS A CAPACITOR WITH A FEEDBACK CIRCUIT.

Ashok, S., Jan 1 1977, Electronic Design, 25, 8.

Research output: Contribution to specialist publicationArticle

Capacitors
Feedback
Networks (circuits)
Electric potential
Generator
35 Citations (Scopus)

Interface state density in Au-nGaAs Schottky diodes

Borrego, J. M., Gutmann, R. J. & Ashok, S., Feb 1977, In : Solid State Electronics. 20, 2, p. 125-132 8 p.

Research output: Contribution to journalArticle

Interface states
Schottky diodes
Diodes
Surface states
Fermi level
20 Citations (Scopus)

Richardson constant of Al- and Au-GaAs Schottky barrier diodes

Borrego, J. M., Gutmann, R. J. & Ashok, S., Dec 1 1977, In : Applied Physics Letters. 30, 3, p. 169-172 4 p.

Research output: Contribution to journalArticle

Schottky diodes
traps
majority carriers
metals
conduction bands
7 Citations (Scopus)

Ultrasonic attenuation effects associated with the physical modeling of adhesive bonds

Meyer, P. A. & Rose, J. L., Dec 1 1977, In : Journal of Applied Physics. 48, 9, p. 3705-3712 8 p.

Research output: Contribution to journalArticle

adhesives
ultrasonics
attenuation
signal processing
rubber
1976
5 Citations (Scopus)

Apparatus for measuring internal friction Q factors in brittle materials

Tittmann, B. R. & Curnow, J. M., Dec 1 1976, In : Review of Scientific Instruments. 47, 12, p. 1516-1518 3 p.

Research output: Contribution to journalArticle

Environmental chambers
brittle materials
Internal friction
internal friction
Brittleness
7 Citations (Scopus)

A technique for studies of ductile fracture in metals containing voids or inclusions

Tittmann, B. R., Nadler, H. & Paton, N. E., Feb 1 1976, In : Metallurgical Transactions A. 7, 2, p. 320-323 4 p.

Research output: Contribution to journalArticle

Ductile fracture
voids
inclusions
Metals
metals
2 Citations (Scopus)

EFFECTS OF SELECTED ELECTRODE SHAPES ON BASIC ULTRASONIC FIELD PARAMETERS.

Rose, J. L., Jan 1 1976, Materials Evaluation, 34, 5, p. 114-120 7 p.

Research output: Contribution to specialist publicationArticle

Ultrasonics
Electrodes
Transducers
Ultrasonic waves
Stars
5 Citations (Scopus)

EQUIVALENT FLAW SIZE MEASUREMENTS AND CHARACTERIZATION ANALYSIS.

Rose, J. L. & Schlemm, H., Jan 1 1976, Materials Evaluation, 34, 1, p. 1-8 8 p.

Research output: Contribution to specialist publicationArticle

Defects
Porosity
Ultrasonic transducers
Signal analysis
Weathering
12 Citations (Scopus)

Integrable Sinusoidal Frequency Doubler

Ashok, S., Apr 1976, In : IEEE Journal of Solid-State Circuits. 11, 2, p. 341-343 3 p.

Research output: Contribution to journalArticle

Frequency doublers
Networks (circuits)
Bipolar transistors
Resistors
Integrated circuits
2 Citations (Scopus)

Modeling concepts for studying ultrasonic wave interaction with adhesive bonds

Meyer, P. A. & Rose, J. L., Jan 1 1976, In : The Journal of Adhesion. 8, 2, p. 107-120 14 p.

Research output: Contribution to journalArticle

bonded joints
Ultrasonic waves
wave interaction
ultrasonic radiation
adhesives
21 Citations (Scopus)

Neutron radiation effects in gold and aluminum GaAs schottky diodes

Borrego, J. M., Gutmann, R. J. & Ashok, S., Dec 1976, In : IEEE Transactions on Nuclear Science. 23, 6, p. 1671-1678 8 p.

Research output: Contribution to journalArticle

Radiation effects
Neutron irradiation
radiation effects
Schottky diodes
Neutrons