Dr. Peter W. Spaeth Profile

Dr. Peter W. Spaeth

at NASA Langley Research Ctr.

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 7 June 2024 Presentation + Paper

Bond thickness estimation in composite structures using multiple inspection techniques

Peter Spaeth, Matthew Webster, Joseph Zalameda

Proceedings Volume 13047, 130470H (2024) https://doi.org/10.1117/12.3016309

KEYWORDS: Thermography, Inspection, Thermal modeling, Ultrasonography, Aluminum, Nondestructive evaluation, Composites

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Proceedings Article | 7 June 2024 Presentation + Paper

Thermal inspection of low emissivity surfaces using a pulsed light emitting diodes (PLED) heat source

Joseph Zalameda, Peter Spaeth, Samuel J. Hocker

Proceedings Volume 13047, 1304716 (2024) https://doi.org/10.1117/12.3016162

KEYWORDS: Inspection, Organic light emitting diodes, Emissivity, Aluminum, Infrared cameras, Image processing, Light emitting diodes, Thermography, Cameras, Reflection

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Proceedings Article | 7 June 2024 Presentation + Paper

Near-infrared in-situ measurements for the detection of keyhole porosity in autogenous Ti-6Al-4V welds

Joseph Zalameda, Samuel J. Hocker, Peter Spaeth, Brandon Widener

Proceedings Volume 13047, 130470X (2024) https://doi.org/10.1117/12.3014612

KEYWORDS: Cameras, Near infrared, Porosity, Inspection, Nondestructive evaluation, Principal component analysis, Covariance matrices, Computed tomography, Image processing, Additive manufacturing

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Proceedings Article | 9 May 2024 Presentation + Paper

Assessment of segmentation-induced deviations of porosity metrics in powder bed fusion additively manufactured components

Peter Spaeth, Erik Frankforter, Samuel Hocker, Joseph Zalameda

Proceedings Volume 12950, 1295003 (2024) https://doi.org/10.1117/12.3010907

KEYWORDS: X-rays, Image segmentation, Porosity, X-ray computed tomography, X-ray imaging, Education and training, Image registration, Cross validation, Additive manufacturing

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Proceedings Article | 12 June 2023 Presentation + Paper

Composite bond line measurements based on a Bayesian analysis of flash thermography data

Peter Spaeth, Joseph Zalameda, James Bisgard, Tyler Hudson, Rodolfo Ledesma, Ricardo Huertas

Proceedings Volume 12536, 125360G (2023) https://doi.org/10.1117/12.2662824

KEYWORDS: Thermography, Thermal modeling, Composites, Adhesives, Data modeling, Infrared cameras, Inverse problems

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Proceedings Article | 12 June 2023 Presentation + Paper

Flash thermal diffusivity measurements and inspection of additively manufactured Ti-6Al-4V specimens with varying process parameters

Joseph Zalameda, Samuel J. A. Hocker, Erik Frankforter, Peter Spaeth, Andrew Kitahara

Proceedings Volume 12536, 1253608 (2023) https://doi.org/10.1117/12.2663546

KEYWORDS: Inspection, Porosity, X-rays, X-ray computed tomography, Image fusion, Lamps, Data modeling, Additive manufacturing, Thermography, X-ray imaging

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Proceedings Article | 18 April 2023 Presentation + Paper

Automated registration of multi-mode nondestructive evaluation data

Peter W. Spaeth, Erik Frankforter, William Schneck, Matthew Webster, Matthew Godbold, Daniel Perey

Proceedings Volume 12487, 124870E (2023) https://doi.org/10.1117/12.2657439

KEYWORDS: Image registration, Batteries, Nondestructive evaluation, Ultrasonography, Lithium, Ultrasonics, Radiography, Porosity, Material fatigue, Digital imaging

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