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Kimberly Ann DeFriend Obrey

Kimberly Obrey

Phone (505) 606-0344


Kimberly A. DeFriend Obrey is a R&D Manager 2 and Project Manager in the Polymers and Coatings group at Los Alamos National Laboratory. She has nearly 13 years experience in  Materials Science for global security and the nuclear weapons complex. Core competencies: • Strategic Planning & Organizational and Line Leadership • U.S. Nuclear Weapons Program and Mission • Project Management and PMP certified • Technical Leadership and Vision • Inorganic and organic porous materials, with specific emphasis on aerogel materials • Adaptability, Teaming and People Skills • Communication, Program Development, Presentations • New Challenges Scientific specialties: • Synthesis of porous solids and response of materials • Technical direction and project management for multiple, interdisciplinary task teams in Life      Extension Programs for nuclear weapon systems and Enhanced Surveillance. • Target Fabrication for the ICF and HED programs • Linking product applications and requirements and translating to performance and engineering   models, bulk mechanical properties and characterization methods, structure property      relationships, underlying polymer formulation and chemical properties, and potential lifetime issues • Delivering and reporting on scientific results for DOE programs.


2002: Ph.D. in Inorganic Chemistry, Rice University, Houston, TX, Advisor: Prof. Andrew R. Barron, Dissertation: Controlling Ceramic Porosity using Carboxylate-Alumoxane Nanoparticles
1998: B.A. in Chemistry with Minor in Business Management, Texas A&M University, College Station, TX

LANL Positions

2002-2005: Postdoctoral Research Associate, MST-7, Materials Science and Technology Division

2005-2006: Technical Staff Member, MST-7, Materials Science and Technology Division

2006-2013: Project Leader and R&D Scientist 3, MST-7, Materials Science and Technology Division

2013-2014: Technical Project Manager, MST-7, Materials Science and Technology Division

2014-Present: R&D Manager 2, MST-7, Materials Science and Technology Division



2014- Leadership On-Ramp, Endorsed

2013- Manager On-Ramp, Endorsed

2013- Project Management Professional (PMP) certified

2013- LANL Pollution Prevention Award, Silver Award

2014- Women's History Month panel participant

2011- LAAP Award for Program Management

2007- Defense Programs Award of Excellence, For applying NMET to measure composition, structure, dimensions, and surface roughness of beryllium ICF capsules and DT ice layers, 2007

1998-2002- Robert A. Welch Fellowship, Rice University

Book Chapters

DeFriend, Kimberly. “Aerogel” World Book Advanced. 13 Feb. 2008.



J. Duque, S. Doorn, G. Gupta, A. Dattelbaum, C. Hamilton, and K. Obrey, “Fluorescent Composites of Single-Walled Carbon Nanotubes”, United States patent #8,395,123 March 13, 2013. 

Kimberly A. DeFriend and Douglas A. Loy, “Strengthening an aerogel monolith by chemical vapor deposition”, Patent Application # 20060216219   

Andrew Ross Barron and Kimberly A. DeFriend, “High strength polycrystalline spheres”, United States Patent # 7220454, Issued May 22, 2007   

Andrew Ross Barron and Kimberly A. DeFriend, Strengthening of porous ceramic bodies by the in-situ formation of a composite structure, Patent application 2002

Andrew Ross Barron and Kimberly A. DeFriend, A simple approach to hierarchical ceramic ultra-filtration membranes, Patent application 2002

Andrew Ross Barron and Kimberly A. DeFriend, “High strength polycrystalline spheres”, 2002, Venezuelan Application No. 23022






[DeFriend, KA * Barron, AR], “Surface repair of porous and damaged alumina bodies using carboxylate-alumoxane nanoparticles” JOURNAL OF MATERIALS SCIENCE, Vol.37, 2002.

[DeFriend, KA * Barron, AR], “A simple approach to hierarchical ceramic ultra-filtration membranes” JOURNAL OF MEMBRANE SCIENCE, Vol. 212, 2003.

DeFriend, K.A.; Wiesner, M.; Barron, A.R., “Alumina and aluminate ultra-filtration membranes derived form alumina nanoparticles” JOURNAL OF MEMBRANE SCIENCE, Vol.224, 2003.

[DeFriend, KA * Barron, AR], “A flexible route to high strength a-alumina and aluminate spheres for composite applications” JOURNAL OF MATERIALS SCIENCE, Vol. 38, 2003.

[DeFriend, KA * Barron, AR], “Strengthening of porous alumina bodies using carboxylate-alumoxane nanoparticles” JOURNAL OF MATERIALS SCIENCE, Vol. 38, 2003.

[Maxwell, JL * Bowman, M * Springer, RW * Nobile, Jr. A. * DeFriend, K * Espada, L * Sandstrom, M *  Kommireddy, D], “A process-structure map for diamond-like carbon fibers from 1-ethene at hyperbaric pressures” ADVANCED FUNCTIONAL MATERILAS,Vol. 15, 2005.

[DeFriend, KA * Espinoza, BF * Nobile, A * Loy, DA], "Creating macroporous voids in silica aerogels", ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol.231, MAR 26 2006.

[DeFriend, KA * Espinoza, BF * Nobile, A * Salazar, KV * Day, RD * Elliott, NE * Pierce, TH * Elliott, JE * Schmidt, DW * Fierro, F * Sandoval, D * Griego, J * Valdez, AC * Droege, M], "Chemical compatibility of silica aerogel processes with ICF hohlraums", FUSION SCIENCE AND TECHNOLOGY, Vol.49, iss.4, p.701-706, MAY 2006.

[DeFriend, K.A. * Espinoza, B. * Patterson, B.], "Templating silica aerogel with polystyrene to improve their mechanical properties", Fusion Science and Technology, Vol.51, iss.4, p.693-700, May 2007.

[Boday, DJ * DeFriend, KA * Wilson, KV * Coder, D * Loy, DA], "Formation of polycyanoacrylate - Silica nanocomposites by chemical vapor deposition of cyanoacrylates on aerogels", CHEMISTRY OF MATERIALS, Vol.20, iss.9, p.2845-2847, MAY 13 2008.

[Boday, D.J. * Loy, D.A. * Wilson, K.V. * Coder, D.], "Polymer-silica nanocomposite aerogels with enhanced mechanical properties using Chemical Vapor Deposition (CVD) of cyanoacrylates", Organic/Inorganic Hybrid Materials - 2007, p.153-8, 2008.


[Obrey, KAD * Day, RD * Hatch, D * Espinoza, BF * Feng, SH * Patterson, BM], "MANUFACTURING COMPLEX SILICA AEROGEL TARGET COMPONENTS", FUSION SCIENCE AND TECHNOLOGY, Vol.55, iss.4, p.490-498, MAY 2009.

[Cobble, J.A. * Schmitt, M.J. * Tregillis, I.L. * Obrey, K.A. * Batha, S.H. * Magelssen, G.R. * Wilke, M.D.], "Simulated neutron diagnostics of imploding ICF targets for the neutron imaging system at the National Ignition Facility", 2009 IEEE 36th International Conference on Plasma Science (ICOPS), 2009.

[Boday, DJ * Stover, RJ * Muriithi, B * Keller, MW * Wertz, JT * Obrey, KAD * Loy, DA], "Strong, Low-Density Nanocomposites by Chemical Vapor Deposition and Polymerization of Cyanoacrylates on Aminated Silica Aerogels", ACS APPLIED MATERIALS & INTERFACES, Vol.1, iss.7, p.1364-1369, JUL 2009.

[Batha, SH * Albright, BJ * Alexander, DJ * Barnes, CW * Bradley, PA * Cobble, JA * Cooley, JC * Cooley, JH * Day, RD * DeFriend, KA * Delamater, ND * Dodd, ES * Fatherley, VE * Fernandez, JC * Flippo, KA * Grim, GP * Goldman, SR * Greenfield, SR * Herrmann, HW * Hoffman, NM * Holmes, RL * Johnson, RP * Keiter, PA * Kline, JL * Kyrala, GA * Lanier, NE * Loomis, E * Lopez, FE * Luo, S * Mack, JM * Magelssen, GR * Montgomery, DS * Nobile, A * Oertel, JA * Reardon, P * Rose, HA * Schmidt, D * Schmitt, MJ * Seifter, A * Shimada, T * Swift, DC * Tiemey, TE * Welser-Sherrill, L * Wilke, MD * Wilson, DC * Workman, J * Yin, L], "INERTIAL CONFINEMENT FUSION RESEARCH AT LOS ALAMOS NATIONAL LABORATORY", AIP Conference Proceedings, Vol.1154, p.129-147, 2009.

[Boday, DJ * DeFriend, KA * Loy, DA * Wilson, KV], "POLY 451-Improvement of unmodified and amine modified silica aerogels by chemical vapor deposition of cyanoacrylates", ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol.236, AUG 17 2008.

[Loy, DA * DeFriend, KA * Boday, DJ], "POLY 294-Hybrid organic-inorganic aerogels", ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol.236, AUG 17 2008.

[Patterson, B.M. * Obrey, K.A. * Havrilla, G.J.], "Further characterizations of sputtered copper beryllium capsules using confocal micro x-ray fluorescence", Fusion Science and Technology, Vol.59, iss.1, p.121-125, January 2011.

[Obrey, K.A.D. * Schmidt, D. * Patterson, B.M. * Day, R.D. * Valdez, A.C. * Capelli, D. * Perea, R. * Randolph, R.B. * Hatch, D. * Garcia, F. * Honnell, D.], "Improvements in ICF target fabrication through high precision assembly and nondestructive characterization", Journal of Physics: Conference Series, Vol.244, iss.PART 3, 2010.

[Defriend Obrey, K.A. * Devlin, M.S.D.J. * Day, R.D. * Schmidt, D.W. * Espinoza, B.F. * Hubbard, K.M. * Valdez, A.C. * Archer, M. * Capelli, D. * Fierro, F. * Randolph, R.B.], "Target fabrication of opacity experiments on Z for weapons science applications", Fusion Science and Technology, Vol.59, iss.1, p.257-261, January 2011.

[Hamilton, C.E. * Honnell, D. * Patterson, B.M. * Schmidt, D.W. * DeFriend Obrey, K.A.], "Incorporation of tracer elements within aerogels and ch foams", Fusion Science and Technology, Vol.59, iss.1, p.194-198, January 2011.

[Magelssen, G.R. * Cobble, J.A. * Tregillis, I.L. * Schmitt, M.J. * Batha, S.H. * Bradley, P.A. * Obrey, K.A.D.], "Single-shell direct-drive capsule designs to study effects of perturbations on burn", Journal of Physics: Conference Series, Vol.244, iss.PART 2, 2010.

[Hamilton, C.E. * Chavez, M.E. * Duque, J.G. * Gupta, G. * Doorn, S.K. * Dattelbaum, A.M. * DeFriend Obrey, K.A.], "Carbon nanomaterials in silica aerogel matrices", Materials Research Society Symposium Proceedings, Vol.1258, p.233-238, 2010.

[Hamilton, CE * Duque, JG * Gupta, G * Doorn, SK * Dattelbaum, AM * Obrey, KAD], "Synthesis and processing of fluorescent carbon nanotube aerogel composites", ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol.241, MAR 27 2011.

[Duque, JG * Hamilton, CE * Gupta, G * Crooker, SA * Crochet, JJ * Mohite, A * Htoon, H * Obrey, KAD * Dattelbaum, AM * Doorn, SK], "Fluorescent Single-Walled Carbon Nanotube Aerogels in Surfactant-free Environments", ACS NANO, Vol.5, iss.8, p.6686-6694, AUG 2011.

[Obrey, K.A.D. * Wilson, K.V. * Loy, D.A.], "Enhancing mechanical properties of silica aerogels", Journal of Non-Crystalline Solids, Vol.357, iss.19-20, p.3435-3441, October 2011.

[Patterson, BM * Obrey, KAD * Hamilton, CE * Havrilla, GJ], "Three-dimensional density measurements of ultra low density materials by X-ray scatter using confocal micro X-ray fluorescence spectroscopy", X-RAY SPECTROMETRY, Vol.41, iss.4, p.253-258, JUL-AUG 2012.

[Bradley, PA * Cobble, JA * Tregillis, IL * Schmitt, MJ * Obrey, KD * Glebov, V * Batha, SH * Magelssen, GR * Fincke, JR * Hsu, SC * Krasheninnikova, NS * Murphy, TJ * Wysocki, FJ], "Role of shocks and mix caused by capsule defects", PHYSICS OF PLASMAS, Vol.19, iss.9, 092703, SEP 2012.

[Cobble, J.A. * Murphy, T.J. * Schmitt, M.J. * Bradley, P.A. * Krasheninnikova, N.S. * Obrey, K.A. * Hsu, S.C. * Tregillis, I.L. * Magelssen, G.R. * Wysocki, F.J. * Batha, S.H.], "Asymmetric directly driven capsule implosions: Modeling and experiments-A requirement for the national ignition facility", Physics of Plasmas, Vol.19, iss.12, p.122713, Dec. 2012.

[Loy, Douglas A. * Obrey-Defriend, Kimberly A. * Wilson Jr., Kennard V. * Minke, McKenzie * Baugher, Brigitta M. * Baugher, Colleen R. * Schneider, Duane A. * Jamison, Gregory M. * Shea, Kenneth J.], "Influence of the alkoxide group, solvent, catalyst, and concentration on the gelation and porosity of hexylene-bridged polysilsesquioxanes", Journal of Non-Crystalline Solids, Vol.362, iss.1, p.82-94, 2013.


[Hamilton, Christopher E. * Smith, Nickolaus A. * Schoonover, Jon R. * Obrey, Kimberly A. DeFriend * Bazin, Nicholas * Jewell, Tina], "ADSORPTION OF AMBIENT MOISTURE BY SILICA AEROGEL", FUSION SCIENCE AND TECHNOLOGY, Vol.63, iss.2, p.301-304, MAR-APR 2013.

[Hamilton, Christopher E. * Smith, Nickolaus A. * Obrey, Kimberly A. Defriend], "ULTRATHIN POLYMER FILMS FOR SHORT-PULSE LASER-DRIVEN PROTON, DEUTERON, AND CARBON ION BEAMS", FUSION SCIENCE AND TECHNOLOGY, Vol.63, iss.2, p.265-267, MAR-APR 2013.

[Schmitt, Mark J. * Bradley, Paul A. * Cobble, James A. * Fincke, James R. * Hakel, Peter * Hsu, Scott C. * Krasheninnikova, Natalia S. * Kyrala, George A. * Magelssen, Glenn R. * Montgomery, David S. * Murphy, Thomas J. * Obrey, Kimberly A. * Shah, Rahul C. * Tregillis, Ian L. * Baumgaertel, Jessica A. * Wysocki, Frederick J. * Batha, Steven H. * Craxton, R. Stephen * McKenty, Patrick W. * Fitzsimmons, Paul * Nikroo, Abbas * Wallace, Russell], "Development of a polar direct-drive platform for studying inertial confinement fusion implosion mix on the National Ignition Facility", PHYSICS OF PLASMAS, Vol.20, iss.5, p.056310, MAY 2013.

[Obrey, K. * Schmidt, D. * Hamilton, C. * Capelli, D. * Williams, J. * Randolph, R. * Fierro, F. * Hatch, D. * Havrilla, G. * Patterson, B.], "Advances in target design and fabrication for experiments on NIF", EPJ Web of Conferences, Vol.59, p.12001, 2013.

[Schmitt, M.J. * Bradley, P.A. * Cobble, J.A. * Hsu, S.C. * Krasheninnikova, N.S. * Kyrala, G.A. * Magelssen, G.R. * Murphy, T.J. * Obrey, K.A. * Tregillis, I.L. * Wysocki, F.J. * Finnegan, S.M.], "Defect-induced mix experiment for NIF", EPJ Web of Conferences, Vol.59, p.04005, 2013.

[Bradley, P.A. * Cobble, J.A. * Fincke, J.R. * Hsu, S.C. * Maglessen, G.R. * Murphy, T.J. * Schmitt, M.J. * Tregillis, I.L. * Vinyard, N.S. * Wysocki, F.J. * Obrey, K.D.], "Analysis of mix experiments on Omega", EPJ Web of Conferences, Vol.59, p.04004, 2013.

[Lee, Matthew N. * Santiago-Cordoba, Miguel A. * Hamilton, Christopher E. * Subbaiyan, Navaneetha K. * Duque, Juan G. * Obrey, Kimberly A. D.], "Developing Monolithic Nanoporous Gold with Hierarchical Bicontinuity Using Colloidal Bijels", JOURNAL OF PHYSICAL CHEMISTRY LETTERS, Vol.5, iss.5, p.809-812, MAR 6 2014.

[Krasheninnikova, N.S. * Cobble, J.A. * Murphy, T.J. * Tregillis, I.L. * Bradley, P.A. * Hakel, P. * Hsu, S.C. * Kyrala, G.A. * Obrey, K.A. * Schmitt, M.J. * Baumgaertel, J.A. * Batha, S.H.], "Designing symmetric polar direct drive implosions on the Omega laser facility", Physics of Plasmas, Vol.21, iss.4, p.042703, April 2014.

[Baumgaertel, J. A. * Bradley, P. A. * Hsu, S. C. * Cobble, J. A. * Hakel, P. * Tregillis, I. L. * Krasheninnikova, N. S. * Murphy, T. J. * Schmitt, M. J. * Shah, R. C. * Obrey, K. D. * Batha, S. * Johns, H. * Joshi, T. * Mayes, D. * Mancini, R. C. * Nagayama, T.], "Observation of early shell-dopant mix in OMEGA direct-drive implosions and comparisons with radiation-hydrodynamic simulations", PHYSICS OF PLASMAS, Vol.21, iss.5, p.052706, MAY 2014.

[Cordes, Nikolaus L. * Havrilla, George J. * Usov, Igor O. * Obrey, Kimberly A. * Patterson, Brian M.], "Non-destructive elemental quantification of polymer-embedded thin films using laboratory based X-ray techniques", Spectrochimica Acta - Part B Atomic Spectroscopy, Vol.101, p.320-329, 2014.

[Cordes, Nikolaus L. * Cowan, Joseph; * Hamilton, Christopher E * Obrey, Kimberly A * Patterson, Brian M] “Quantitative Density Analysis of Ultra-Low Density Polymer Foams Using Various X-ray Imaging Techniques” MICROSCOPY AND MICROANALYSIS, Vol. 20, 2014.