Dr. Samuel J. Hocker Profile

Dr. Samuel J. Hocker

at NASA Langley Research Ctr

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Author

Publications (3)

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 | 27 May 2022 Presentation + Paper

Comparison of in-situ near infrared melt pool imagery to optical microscopy measurements

Joseph Zalameda, Samuel Hocker, Wesley Tayon, Joshua Fody, Brodan Richter

Proceedings Volume 12109, 1210902 (2022) https://doi.org/10.1117/12.2621037

KEYWORDS: Cameras, Optical microscopy, Near infrared, Sensors, Laser scanners, Calibration, Optical testing, Image filtering, Black bodies, Metals

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Proceedings Article | 12 April 2021 Presentation + Paper

Melt pool imaging using a configurable architecture additive testbed system

Joseph Zalameda, Samuel J. Hocker, Joshua Fody, Wesley Tayon

Proceedings Volume 11743, 117430E (2021) https://doi.org/10.1117/12.2585791

KEYWORDS: Imaging systems, Laser welding, Near infrared, Cameras, Additive manufacturing, Temperature metrology, Process modeling, Titanium, Thermal modeling, Sensors

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