Kaushik Iyer Print




:   Materials Physicist

:  Heliophysics, Planetary

  Parker Solar Probe, WISPR

Degree Field of Study Year Attained Institution Name
Ph.D. Materials Science & Engineering 1997 Vanderbilt University

Iyer's work is in the area of Micrometeoroid and Orbital Debris (MMOD) Hypervelocity Impact Hazard Mitigation. Specifically, it involves development of physics-based analysis capability and engineering approaches for designing spacecraft surfaces to be able to withstand impacts at speeds that are well beyond ground test capabilities (~10 km/s), and are therefore not amenable to purely empirical or test data based treatment. A closely related and intriguing area of research is evaluation of the shielding capability of unconventional or non-ideal Whipple shields, which spacecraft often must fly with, but fall outside the scope of the existing design paradigm.

Iyer and his colleagues made notable advances in the field for NASA’s Parker Solar Probe mission, which is contending with Near Sun dust impacts at speeds as high as 300 km/s. These and other new solutions have been applied to the New Horizons and Europa Clipper missions as well. Some of this work is presented in peer-reviewed open source publications.

The field of evaluating MMOD risks to missions, specific system failure and damage modes, and providing mitigating design specifications to vulnerable systems involves a unique multi-disciplinary capability that spans expertise in spacecraft systems engineering, high-rate materials failure mechanics, mission operations, astronomy, and hypervelocity impact (HVI) shock physics. Iyer and the team at APL bring this unique capability to bear for NASA missions on an as-needed basis.

AGU Index Category AGU Index Sub-Category
ELECTROMAGNETICS General or miscellaneous
Start Year End Year Description
2010 Current Principal Professional Staff, Section Supervisor, Project Manager, Johns Hopkins University Applied Physics Laboratory
Year Description
2017 Fellow of the American Society of Mechanical Engineers
2015 Outstanding Development Paper in an Externally Referred Publication: Interplanetary Dust Particle Shielding Capability of Spacecraft Multi-Layer Insulation
2013 R. W. Hart Prize for Best IR&D Research Project
The following publication information was downloaded from

ORCID logo https://orcid.org/

R. L. Whelchel, D. S. Mehoke, K. A. Iyer, T. H. Sanders, N. N. Thadhani, (2016), Dynamic yielding and fracture of grade 4 titanium in plate impact experiments, Journal of Applied Physics, 119

Alireza Chadegani, Kaushik A. Iyer, Douglas S. Mehoke, Romesh C. Batra, (2015), Hypervelocity impact of a steel microsphere on fused silica sheets, International Journal of Impact Engineering, 80, 116-132

Kaushik A. Iyer, Douglas S. Mehoke, Romesh C. Batra, (2015), Interplanetary Dust Particle Shielding Capability of Spacecraft Multilayer Insulation, Journal of Spacecraft and Rockets, 52, 584-594

D. L. Buczkowski, D. Y. Wyrick, K. A. Iyer, E. G. Kahn, J. E. C. Scully, A. Nathues, R. W. Gaskell, T. Roatsch, F. Preusker, P. M. Schenk, L. Le Corre, V. Reddy, R. A. Yingst, S. Mest, D. A. Williams, W. B. Garry, O. S. Barnouin, R. Jaumann, C. A. Raymond, C. T. Russell, (2012), Large-scale troughs on Vesta: A signature of planetary tectonics, Geophysical Research Letters, 39

Douglas S. Mehoke, P. K. Swaminathan, Cesar J. Carrasco, Robert C. Brown, Gerald I. Kerley, Kaushik A. Iyer, IEEE, (2012), A Review of the Solar Probe Plus Dust Protection Approach, 2012 Ieee Aerospace Conference

Kaushik A. Iyer, (2007), Relationships between multiaxial stress states and internal fracture patterns in sphere-impacted silicon carbide, International Journal of Fracture, 146, 1-18