Education

Research Description

Dr. Pankow's long-term goal is to contribute to the advancement of our understanding of high impact bio-mechanics with an emphasis on the mechanical effects on the skull-brain system. Dr. Pankow is presently studying the underlying failure mechanisms in blast loading on composite materials. This study is being performed experimentally and is drawing its data largely from high-speed image capture of blast samples. The results can be applied to blast resistant structures (aircraft, buildings, etc). He is also currently studying blast structure-human interaction. This study examines the effects of shock-wave loading on skull-brain systems that vary in their mechanical properties. This research is aimed at applications that reduce the risks of traumatic brain injury.

Publications

Dynamic back face deformation measurement with a single optical fibre

Seng, F., Hackney, D., Goode, T., Noevere, A., Hammond, A., Velasco, I., … Schultz, S. (2021), INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 150. https://doi.org/10.1016/j.ijimpeng.2020.103800

The Influence of Powder Reuse on the Properties of Nickel Super Alloy ATI 718 (TM) in Laser Powder Bed Fusion Additive Manufacturing

Rock, C., Ledford, C., Garcia-Avila, M., West, H., Miller, V. M., Pankow, M., … Horn, T. (2021), METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE. https://doi.org/10.1007/s11663-020-02040-2

Use of enriched shell elements compared to solid elements for modelling delamination growth during impact on composites

McElroy, M., Andre, A., Goode, T., Costa, S., Olsson, R., & Pankow, M. (2021), COMPOSITE STRUCTURES. https://doi.org/10.1016/j.compstruct.2021.113945

Validation of an efficient finite element analysis approach for simulation of low velocity impact and compression strength after impact response

Joglekar, S., Ranatunga, V., & Pankow, M. (2021), COMPOSITE STRUCTURES, 255. https://doi.org/10.1016/j.compstruct.2020.112945

A structural-based computational model of tendon-bone insertion tissues

Kuznetsov, S., Pankow, M., Peters, K., & Huang, H.-Y. S. (2020), MATHEMATICAL BIOSCIENCES, 327. https://doi.org/10.1016/j.mbs.2020.108411

Analysis of Self-Organized Patterned Surface Oxide Spots on Ejected Spatter Produced during Laser Powder Bed Fusion

Rock, C., Vadlakonda, R., Figurskey, S., Ledford, C., West, H., Miller, V., … Horn, T. (2020), Additive Manufacturing, 35. https://doi.org/10.1016/j.addma.2020.101320

Minimal Unpowered Strain-Energy Deployment Mechanism for Rollable Spacecraft Booms: Ground Test

Firth, J. A., & Pankow, M. R. (2020), JOURNAL OF SPACECRAFT AND ROCKETS, Vol. 57, pp. 346–353. https://doi.org/10.2514/1.A34565

Performance evaluation of two progressive damage models for composite laminates under various speed impact loading

Sridharan, S., & Pankow, M. (2020), INTERNATIONAL JOURNAL OF IMPACT ENGINEERING, 143. https://doi.org/10.1016/j.ijimpeng.2020.103615

Survivability of integrated fiber Bragg grating sensors in ballistic protection fabrics for high velocity impact testing

Hackney, D., Goode, T., Seng, F., Pankow, M., Schultz, S., & Peters, K. (2020), OPTICAL FIBER TECHNOLOGY, 60. https://doi.org/10.1016/j.yofte.2020.102356

Advanced Dual-Pull Mechanism for Deployable Spacecraft Booms

Firth, J. A., & Pankow, M. R. (2019), JOURNAL OF SPACECRAFT AND ROCKETS, Vol. 56, pp. 569–576. https://doi.org/10.2514/1.A34243

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Grants

Robust In-Space Structure Assembly Concepts

National Aeronautics & Space Administration (NASA)(6/01/21 - 9/25/22)

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Robust In-Space Structure Assembly Concepts

Sponsor: National Aeronautics & Space Administration (NASA)

Start Date: 6/01/21

End Date: 9/25/22

Abstract

Current spacecraft structures are limited by packaging efficiency for storage in launch vehicles, often requiring intricate folding patterns, resulting in thin delicate structures. Current and future demands are requesting larger structures for storage, power generation, formation of staging bases for deep space travel. All of these needs will rely on in-space assembly to create larger structures that are not limited to the constraints of launch vehicle dimensions. These structures still need to be made out of light weight and collapsible components, however due to their larger nature they need to have the ability to survive for longer durations of time and also have the ability to be reconfigured after some time in orbit for new missions of changing needs. These structures must be able to work in both zero-g concepts along with on surface applications such as lunar, and Martian conditions. This research effort will focus on in-space structure assembly concepts. These can include both composite and metallic structures or a combination of the two. This effort will look at developing new structures or sub-components of structures for in-space assembly. During design the materials and components need to be well understood so that we can understand how they would behave to environments that can include things like, micrometeorites, thermal changes, prolonged UV exposures, to name a few. Structures can be evaluated prior to exposures and then look at again after exposure. This work will also look at the stability and scalability or large structures. Evaluation for assembly and re-assembly will be looked at to understand how a structure can be reconfigured on orbit to a changing mission. As these structures are designed to last for long periods of time these structures must be investigated to understand how robust they are and will be investigated under various different conditions and types of loading.

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Membership in PE Consortium, In-Kind

Smart Material Solutions LLC(1/01/20 - 12/31/20)

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Membership in PE Consortium, In-Kind

Sponsor: Smart Material Solutions LLC

Start Date: 1/01/20

End Date: 12/31/20

Abstract

This Agreement is made by and between North Carolina State University at Raleigh, North Carolina and Smart Material Solutions. The parties to this Agreement intend to join together in a cooperative effort to support a University/Industry Precision Engineering Consortium effort at North Carolina State University such that both North Carolina State University and Smart Material Solutions environments can be used to develop a better understanding of Precision Engineering, stimulate industrial innovation; and provide North Carolina State University with strengthened educational capability in these fields, and Smart Material Solutions with the latest advances in technology.

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Develop Preliminary Tools and Devices for Precision Medical Devices, PE Consortium Core Project 9

PE CONSORTIUM(6/01/20 - 12/31/21)

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Develop Preliminary Tools and Devices for Precision Medical Devices, PE Consortium Core Project 9

Sponsor: PE CONSORTIUM

Start Date: 6/01/20

End Date: 12/31/21

Abstract

Initial research into developing methods, tools, and procedures for the fabrication of Precision Medical Devices.

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Membership in PE Consortium, Associate Member

MIT Lincoln Laboratory(1/01/20 - 12/31/21)

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Membership in PE Consortium, Associate Member

Sponsor: MIT Lincoln Laboratory

Start Date: 1/01/20

End Date: 12/31/21

Abstract

This Agreement is made by and between North Carolina State University at Raleigh, North Carolina and MIT Lincoln Laboratory. The parties to this Agreement intend to join together in a cooperative effort to support a University/Industry Precision Engineering Center at UNIVERSITY such that the UNIVERSITY environment can be used to develop a better understanding of Precision Engineering, stimulate industrial innovation; and provide UNIVERSITY with strengthened educational capability in these fields, and MEMBER with the latest advances in technology.

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IPA Assignment for Dr. Pankow

National Reconnaissance Office(10/01/20 - 9/30/22)

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IPA Assignment for Dr. Pankow

Sponsor: National Reconnaissance Office

Start Date: 10/01/20

End Date: 9/30/22

Abstract

IPA assignment for Dr. Pankow

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Precision Path Motion for Dynamic Actuation, PEC Core Project 7

PE CONSORTIUM(10/01/19 - 12/31/21)

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Precision Path Motion for Dynamic Actuation, PEC Core Project 7

Sponsor: PE CONSORTIUM

Start Date: 10/01/19

End Date: 12/31/21

Abstract

Develop a platform for studying the motion control of a fast tool servo on an XYZ stage. Investigate the dynamics and control of the system as applied to a step and repeat indentation process.

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Microindentation, PEC Core Project 6

PE CONSORTIUM(7/01/19 - 12/31/21)

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Microindentation, PEC Core Project 6

Sponsor: PE CONSORTIUM

Start Date: 7/01/19

End Date: 12/31/21

Abstract

This project focuses on developing a process to deliver the best form and finish on a mold for making arrays of microscale lenses. The envisioned process will use plastic deformation to replicate lens-like features on a diamond die in the mold. The die will be made with a focused ion beam milling process.

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Develop Machining Processes to Produce Optimal Surface Finish in Pure Metals, PEC Core Project 8

PE CONSORTIUM(10/01/19 - 12/31/21)

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Develop Machining Processes to Produce Optimal Surface Finish in Pure Metals, PEC Core Project 8

Sponsor: PE CONSORTIUM

Start Date: 10/01/19

End Date: 12/31/21

Abstract

Investigate the cycle of chip seizure when turning pure aluminum with both carbide and diamond tools.

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Impact Protection Design Solutions Using AI/Neural Networks

Windpact(10/01/19 - 6/30/20)

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Impact Protection Design Solutions Using AI/Neural Networks

Sponsor: Windpact

Start Date: 10/01/19

End Date: 6/30/20

Abstract

The work will investigate the use of AI for the design and development of padding protection systems. We propose using AI for developing forward models and inverse mapping capabilities.

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Indentation of µm Lens Molds on Aluminum and Si Substrates, PEC Enhancement Project

Facebook Technologies, LLC (formerly Oculus VR, LLC)(7/01/19 - 6/30/21)

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Indentation of µm Lens Molds on Aluminum and Si Substrates, PEC Enhancement Project

Sponsor: Facebook Technologies, LLC (formerly Oculus VR, LLC)

Start Date: 7/01/19

End Date: 6/30/21

Abstract

This project explores the fabrication of microscale lens arrays molds using an indentation process. The work will focus on how to achieve the best form and surface finish in the mold. Ductile and brittle mold materials will also be investigated.

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