Mr. Ernie Havens Profile

Ernie Havens

Chief Engineer at Cornerstone Research Group Inc

SPIE Involvement:

Author

Proceedings Article | 29 March 2010 Paper

Shape memory polymer sensors for tracking cumulative environmental exposure

Ryan Snyder, Michael Rauscher, Ben Vining, Ernie Havens, Teresa Havens, Jace McFerran

Proceedings Volume 7645, 76450C (2010) https://doi.org/10.1117/12.847714

KEYWORDS: Sensors, Environmental sensing, Polymers, Humidity, Shape memory polymers, Epoxies, Calibration, Visualization, Signal detection, Optical inspection

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Proceedings Article | 29 March 2010 Paper

Next generation control system for reflexive aerostructures

Michael Maddux, Elizabeth Meents, Thomas Barnell, Kristin Cable, Christopher Hemmelgarn, Thomas Margraf, Ernie Havens

Proceedings Volume 7645, 764506 (2010) https://doi.org/10.1117/12.848851

KEYWORDS: Composites, Structural health monitoring, Control systems, Nondestructive evaluation, Sensors, Inspection, Software development, Intelligence systems, Data modeling, Systems modeling

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Proceedings Article | 1 April 2009 Paper

Time dependent thermo-mechanical behavior of thermally induced shape memory polymers

Francisco Castro, H. Jerry Qi, Jason Hermiller, Ernie Havens

Proceedings Volume 7290, 72900K (2009) https://doi.org/10.1117/12.817609

KEYWORDS: Shape memory polymers, Temperature metrology, Polymers, Thermal effects, Thermal modeling, Solids, 3D modeling, Laser sintering, Atrial fibrillation, Mechanical engineering

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Proceedings Article | 8 April 2008 Paper

Reflexive composites: self-healing composite structures

Thomas Margraf, Thomas Barnell, Ernie Havens, Christopher Hemmelgarn

Proceedings Volume 6932, 693211 (2008) https://doi.org/10.1117/12.776284

KEYWORDS: Composites, Polymers, Finite element methods, Infrared cameras, Control systems, Thermal modeling, Structural health monitoring, Sensors, Epoxies, Cameras

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Proceedings Article | 5 May 2005 Paper

Adaptive wing structures

John Reed, Christopher Hemmelgarn, Bryan Pelley, Ernie Havens

Proceedings Volume 5762, (2005) https://doi.org/10.1117/12.599922

KEYWORDS: Skin, Aerodynamics, Lead, Resistance, Aerospace engineering, Shape memory polymers, Composites, Finite element methods, Aircraft structures, Polymers

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Proceedings Article | 5 May 2005 Paper

Light-activated shape memory polymers and associated applications

Ernie Havens, Emily Snyder, Tat Tong

Proceedings Volume 5762, (2005) https://doi.org/10.1117/12.606109

KEYWORDS: Polymers, Composites, Shape memory polymers, Optical alignment, Shape memory alloys, Temperature metrology, Manufacturing, Smart materials, Structural dynamics, Optical fibers

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Proceedings Article | 29 July 2004 Paper

Shape memory polymer configurative tooling

Matthew Everhart, Jaime Stahl, Eric Traxler, Ernie Havens

Proceedings Volume 5388, (2004) https://doi.org/10.1117/12.541599

KEYWORDS: Composites, Metals, Shape memory polymers, Polymers, Manufacturing, Shape memory alloys, Fabrication, Tolerancing, Prototyping, Carbon

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Proceedings Article | 29 July 2004 Paper

Adaptive wing structures

David Perkins, John Reed, Ernie Havens

Proceedings Volume 5388, (2004) https://doi.org/10.1117/12.541650

KEYWORDS: Composites, Smart materials, Prototyping, Smart structures, Materials processing, Foam, Shape memory polymers, Process engineering, Standards development, Skin

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