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Proceedings Papers

Crater Ejecta Fragments Size and Shape From Hypervelocity Impacts into AL 2024-T351 Aluminum From 4 to 6 KM/S

James D. Walker, Sidney Chocron, Donald J. Grosch, F. Michael Heim
Proc. ASME. HVIS2022, 2022 16th Hypervelocity Impact Symposium, V001T07A005, September 18–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2022-55
https://doi.org/10.1115/HVIS2022-55
View Paper titled, Crater Ejecta Fragments Size and Shape From Hypervelocity Impacts into AL 2024-T351 Aluminum From 4 to 6 KM/S
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Topics: Aluminum, Shapes, Shear (Mechanics), Damage
Proceedings Papers

Preliminary Results of a Technology for ON-ORBIT Micrometeroid and Debris Characterization

Sidney Chocron, Roberto Enriquez-Vargas, Drew Hackney, Alexander J. Carpenter, Daniel J. Portillo, James D. Walker, Michael A. Koets, Randy Rose, Robert Grimm, Ryan McBee
Proc. ASME. HVIS2022, 2022 16th Hypervelocity Impact Symposium, V001T09A002, September 18–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2022-6
https://doi.org/10.1115/HVIS2022-6
View Paper titled, Preliminary Results of a Technology for ON-ORBIT Micrometeroid and Debris Characterization
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Topics: Algorithms, Aluminum, Computer simulation, Computer software, Design, Satellites, Sensors, Stress, Wave theory of light, Waves
Proceedings Papers

Momentum Enhancement from 3-CM-Diameter Aluminum Sphere Impacts into Iron and Rock at Over 5 KM/S

James D. Walker, Sidney Chocron, Donald J. Grosch, Simone Marchi, Amanda Alexander
Proc. ASME. HVIS2022, 2022 16th Hypervelocity Impact Symposium, V001T06A006, September 18–22, 2022
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2022-54
https://doi.org/10.1115/HVIS2022-54
View Paper titled, Momentum Enhancement from 3-CM-Diameter Aluminum Sphere Impacts into Iron and Rock at Over 5 KM/S
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Topics: Aluminum, Iron, Momentum, Rocks
Proceedings Papers

Modeling Hypervelocity Impact of Reinforced Carbon-Carbon Composite Thermal Protection System

Alexander J. Carpenter, Sidney Chocron, James D. Walker
Proc. ASME. HVIS2019, 2019 15th Hypervelocity Impact Symposium, V001T07A006, April 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2019-063
https://doi.org/10.1115/HVIS2019-063
View Paper titled, Modeling Hypervelocity Impact of Reinforced Carbon-Carbon Composite Thermal Protection System
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Topics: Carbon, Composite materials, Computer simulation, Modeling
Proceedings Papers

Size scaling of crater size, ejecta mass, and momentum enhancement due to hypervelocity impacts into 2024-T4 and 2024-T351 aluminum

James D. Walker, Sidney Chocron, Donald J. Grosch
Proc. ASME. HVIS2019, 2019 15th Hypervelocity Impact Symposium, V001T04A004, April 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2019-049
https://doi.org/10.1115/HVIS2019-049
View Paper titled, Size scaling of crater size, ejecta mass, and momentum enhancement due to hypervelocity impacts into 2024-T4 and 2024-T351 aluminum
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Topics: Aluminum, Momentum, Metals, Rocks
Proceedings Papers

Hypervelocity Impact on Concrete and Sandstone: Momentum Enhancement from Tests and Hydrocode Simulations

Sidney Chocron, James D. Walker, Donald J. Grosch, Stephen R. Beissel, Daniel D. Durda, Kevin R. Housen
Proc. ASME. HVIS2019, 2019 15th Hypervelocity Impact Symposium, V001T04A005, April 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2019-059
https://doi.org/10.1115/HVIS2019-059
View Paper titled, Hypervelocity Impact on Concrete and Sandstone: Momentum Enhancement from Tests and Hydrocode Simulations
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Topics: Concretes, Engineering simulation, Momentum, Simulation
Proceedings Papers

Modelling the deformation of a high-hardness armour steel in Taylor rod-on-anvil experiments

Shannon Ryan, Brodie McDonald, Nikki Scott, Rory Bigger, Sidney Chocron
Proc. ASME. HVIS2019, 2019 15th Hypervelocity Impact Symposium, V001T09A008, April 14–19, 2019
Publisher: American Society of Mechanical Engineers
Paper No: HVIS2019-040
https://doi.org/10.1115/HVIS2019-040
View Paper titled, Modelling the deformation of a high-hardness armour steel in Taylor rod-on-anvil experiments
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Topics: Armor, Deformation, Modeling, Plasticity, Steel
Journal Articles

Why Impacted Yarns Break at Lower Speed Than Classical Theory Predicts

James D. Walker, Sidney Chocron
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051021.
https://doi.org/10.1115/1.4004328
Published Online: August 8, 2011
View Article titled, Why Impacted Yarns Break at Lower Speed Than Classical Theory Predicts
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Topics: Projectiles, Yarns, Waves, Deformation
Journal Articles

Impact Experiments Into Borosilicate Glass at Three Scale Sizes

Charles E. Anderson, Jr., Carl E. Weiss, Sidney Chocron
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051011.
https://doi.org/10.1115/1.4004281
Published Online: August 5, 2011
View Article titled, Impact Experiments Into Borosilicate Glass at Three Scale Sizes
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Topics: Glass, Bullets, Damage
Journal Articles

Modeling of Fabric Impact With High Speed Imaging and Nickel-Chromium Wires Validation

Sidney Chocron, Trenton Kirchdoerfer, Nikki King, Christopher J. Freitas
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051007.
https://doi.org/10.1115/1.4004280
Published Online: July 28, 2011
View Article titled, Modeling of Fabric Impact With High Speed Imaging and Nickel-Chromium Wires Validation
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Topics: Computer simulation, Simulation, Textiles, Waves, Wire, Yarns, Computation, Nickel, Projectiles
Journal Articles

Analytical Model of the Confined Compression Test Used to Characterize Brittle Materials

Sidney Chocron, James D. Walker, Arthur E. Nicholls, Kathryn A. Dannemann, Charles E. Anderson, Jr.
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. March 2008, 75(2): 021006.
https://doi.org/10.1115/1.2775501
Published Online: February 20, 2008
View Article titled, Analytical Model of the Confined Compression Test Used to Characterize Brittle Materials
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Topics: Brittleness, Compression, Pressure, Stress, Glass