Dr. William D. Armstrong Profile

Dr. William D. Armstrong

Assistant Professor at Univ of Wyoming

SPIE Involvement:

Author

Proceedings Article | 6 April 2006 Paper

Mixed mode elastic-magnetostrictive wave propagation in a cubic media

William Armstrong

Proceedings Volume 6170, 61700J (2006) https://doi.org/10.1117/12.660591

KEYWORDS: Magnetostrictive materials, Wave propagation, Magnetism, Signal attenuation, Wavefronts, 3D modeling, Solids, Crystals, Safety, Particles

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Proceedings Article | 16 May 2005 Paper

Observed dependencies of the large thermal-compressive response of a NiTi shape memory alloy fiber aluminum metal matrix composite

William Armstrong, Thirumalesh Bannuru

Proceedings Volume 5761, (2005) https://doi.org/10.1117/12.605235

KEYWORDS: Composites, Aluminum, Metals, Shape memory alloys, Crystallography, Actuators, Temperature metrology, Mechanical engineering, Materials science, Crystals

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Proceedings Article | 16 May 2005 Paper

Degradation of Terfenol-D particle epoxy composites under low frequency cyclic magneto-mechanical loading: comparisons of matrix polymer

William Armstrong, Manikantan Shanmugham

Proceedings Volume 5761, (2005) https://doi.org/10.1117/12.605234

KEYWORDS: Composites, Polymers, Particles, Epoxies, Magnetism, Glasses, Magnetostrictive materials, Materials processing, Temperature metrology, Matrices

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Proceedings Article | 21 July 2004 Paper

Degradation of Terfenol-D particle epoxy composites under low frequency cyclic magneto-mechanical loading at the matrix glass transition start and finish temperatures

William Armstrong, Manikantan Shanmugham, Harold Bailey

Proceedings Volume 5387, (2004) https://doi.org/10.1117/12.538931

KEYWORDS: Particles, Composites, Glasses, Epoxies, Magnetostrictive materials, Magnetism, Polymers, Temperature metrology, Materials processing, Scanning electron microscopy

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Proceedings Article | 13 August 2003 Paper

Fully three-dimensional incremental model of magneto-elastic hysteresis in terfenol-D

William Armstrong

Proceedings Volume 5053, (2003) https://doi.org/10.1117/12.484698

KEYWORDS: Magnetism, Magnetostrictive materials, Motion models, Crystals, 3D modeling, Quality measurement, Spherical lenses, Coastal modeling, Motion measurement, Ferromagnetics

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Proceedings Article | 11 July 2002 Paper

Time-dependent behavior in a Terfenol-D actuated visco-elastic polymer matrix composite

William Armstrong, Cosmina Hogea

Proceedings Volume 4699, (2002) https://doi.org/10.1117/12.475006

KEYWORDS: Composites, Polymers, Magnetostrictive materials, Magnetism, Actuators, Epoxies, Crystals, Superposition, Mechanical engineering, Astatine

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Proceedings Article | 11 July 2001 Paper

Self thermal-plastic response of NiTi shape memory alloy fiber-actuated metal matrix composites

William Armstrong, Torben Lorentzen

Proceedings Volume 4333, (2001) https://doi.org/10.1117/12.432775

KEYWORDS: Composites, Shape memory alloys, Metals, Fourier transforms, Thermal modeling, Temperature metrology, Data modeling, Actuators, Aluminum, Mechanical engineering

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Proceedings Article | 11 July 2001 Paper

Theory-based development of high-performance magnostrictive particulate actuated polymer composite transducer materials with strongly improved cyclic strain endurance

William Armstrong

Proceedings Volume 4333, (2001) https://doi.org/10.1117/12.432755

KEYWORDS: Composites, Particles, Epoxies, Magnetism, Polymers, Transducers, Diamond, Amplifiers, Polishing, Solids

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Proceedings Article | 14 June 2000 Paper

Cyclic strain behavior of magnetostrictive polymer composite transducer materials

William Armstrong, William Dougherty

Proceedings Volume 3992, (2000) https://doi.org/10.1117/12.388241

KEYWORDS: Composites, Magnetism, Polymers, Transducers, Magnetostrictive materials, Amplifiers, Calibration, Epoxies, Reliability, Dielectrics

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Proceedings Article | 14 June 2000 Paper

High passive damping in a NiTi shape memory alloy fiber aluminum metal matrix composite

William Armstrong, Per Reinhall

Proceedings Volume 3992, (2000) https://doi.org/10.1117/12.388234

KEYWORDS: Aluminum, Composites, Shape memory alloys, Temperature metrology, Beam shaping, Metals, Structured optical fibers, Structural design, Reliability, Satellite communications

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Proceedings Article | 12 July 1999 Paper

Thermal deformation behavior of a NiTi actuated aluminum metal-matrix composite

William Armstrong, Torben Lorentzen

Proceedings Volume 3675, (1999) https://doi.org/10.1117/12.352801

KEYWORDS: Composites, Aluminum, Temperature metrology, Diffraction, Metals, Actuators, Shape memory alloys, Mechanical engineering, Smart materials, Fiber characterization

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Proceedings Article | 12 July 1999 Paper

Strain behavior of magnetostrictive particulate composites

William Armstrong

Proceedings Volume 3675, (1999) https://doi.org/10.1117/12.352796

KEYWORDS: Magnetism, Composites, Crystals, Magnetostrictive materials, Particles, Nonlinear crystals, Epoxies, Anisotropy, Systems modeling, Atmospheric modeling

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