Skip to Main Content U.S. Department of Energy
Energy and Environment Directorate

Andy Casella

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 375-5110

PNNL Publications

2024

  • Harilal S.S., A.K. Shaik, E.J. Kautz, A. Devaraj, A.M. Casella, and D.J. Senor. 2024. "Detection of tritium using ultrafast laser-induced breakdown spectroscopy." Journal of Analytical Atomic Spectrometry 39, no. 3:699-703. PNNL-SA-192834. doi:10.1039/D3JA00439B
  • Jiang W., A.M. Casella, and D.J. Senor. 2024. Effects of irradiation temperature on the microstructure and deuterium retention in gamma-LiAlO2 pellets. PNNL-36560. Richland, WA: Pacific Northwest National Laboratory. Effects of irradiation temperature on the microstructure and deuterium retention in gamma-LiAlO2 pellets
  • Jiang W., L. Kovarik, M.G. Wirth, Z. Hu, L. Shao, A.M. Casella, and D.J. Senor. 2024. "Microstructural and compositional evolutions in gamma-LiAlO2 pellets during ion irradiation at an elevated temperature." Journal of Nuclear Materials 591. PNNL-SA-189223. doi:10.1016/j.jnucmat.2024.154925
  • Nandipati G., D.J. Edwards, A. Roy, D.J. Senor, and A.M. Casella. 2024. Effect of Hydrogen and Helium on Irradiation Damage Accumulation in Nickel. PNNL-36878. Richland, WA: Pacific Northwest National Laboratory. Effect of Hydrogen and Helium on Irradiation Damage Accumulation in Nickel
  • Nandipati G., D.J. Senor, A.M. Casella, and A. Soulami. 2024. "Molecular Dynamics Study of Interstitial Helium Clusters in Nickel." Nuclear Materials and Energy 41, no. _:Art No. 101733. PNNL-SA-193700. doi:10.1016/j.nme.2024.101733
  • Roy A., M. Sassi, K. Pitike, M.S. Lanza, A.M. Casella, D.J. Senor, and C. Matthews, et al. 2024. "Cluster dynamics simulations of tritium and helium diffusion in lithium ceramics." Journal of Nuclear Materials 592, no. _:Art. No. 154970. PNNL-SA-192566. doi:10.1016/j.jnucmat.2024.154970
  • Shaik A.K., M.P. Polek, E.J. Kautz, A.M. Casella, D.J. Senor, and S.S. Harilal. 2024. "The influence of laser energy on deuterium emission characteristics from a Zircaloy-4 plasma." Physics of Plasmas 31, no. 10:103505. PNNL-SA-198730. doi:10.1063/5.0220128

2023

  • Fullarton M.L., G. Nandipati, D.J. Senor, A.M. Casella, and R. Devanathan. 2023. "Molecular Dynamics Study of Primary Damage in the Near-Surface Region in Nickel." Journal of Nuclear Materials 583. PNNL-SA-180189. doi:10.1016/j.jnucmat.2023.154514
  • Kautz E.J., A. Xu, A.V. Harilal, M.P. Polek, A.M. Casella, D.J. Senor, and S.S. Harilal. 2023. "Influence of ambient gas on self-reversal in Li transitions relevant to isotopic analysis." Optics Express 31, no. 3:3549-3564. PNNL-SA-178668. doi:10.1364/OE.477990
  • Paudel H., T. Jia, W. Al-Saidi, D.J. Senor, A.M. Casella, and Y. Duan. 2023. "Study of Tritium Diffusivity in Pure and Sn-Defective Zr: A First-Principles Density Functional Theory Approach." Journal of Physical Chemistry C 127, no. 26:12415-12826. PNNL-SA-188878. doi:10.1021/acs.jpcc.3c01200
  • Roy A., D.J. Senor, A.M. Casella, and R. Devanathan. 2023. "Molecular dynamics simulations of radiation response of LiAlO2 and LiAl5O8." Journal of Nuclear Materials 576. PNNL-SA-171974. doi:10.1016/j.jnucmat.2023.154280
  • Roy A., D.J. Senor, D.J. Edwards, A.M. Casella, and R. Devanathan. 2023. "Insights into radiation resistance of titanium alloys from displacement cascade simulations." Journal of Nuclear Materials 586. PNNL-SA-183956. doi:10.1016/j.jnucmat.2023.154695
  • Sassi M., D.J. Senor, and A.M. Casella. 2023. "Ab initio Simulations of Tritium Diffusion in Al-rich Iron Aluminide Coating Phases." Journal of Physical Chemistry C 127, no. 21:10315-10323. PNNL-SA-181376. doi:10.1021/acs.jpcc.3c01028
  • Sassi M., D.J. Senor, and A.M. Casella. 2023. Ab Initio Simulations of Tritium Diffusion in Al2O and Intermetallic Al12(TM)2.34 Aluminide Coating Phases. PNNL-34818. Richland, WA: Pacific Northwest National Laboratory. Ab Initio Simulations of Tritium Diffusion in Al2O and Intermetallic Al12(TM)2.34 Aluminide Coating Phases

2022

2021

  • Burkes D., I.J. Schwerdt, T.K. Huber, H. Breitkreutz, C. Reiter, W. Petry, and J. Schulthess, et al. 2021. "Thermal properties of U-Mo alloys irradiated under high fission power density." Journal of Nuclear Materials 547. PNNL-SA-154644. doi:10.1016/j.jnucmat.2021.152823
  • Scheele R.D., B.D. Hanson, and A.M. Casella. 2021. "Effect of Added Gadolinium Oxide on the Thermal Air Oxidation of Uranium Dioxide." Journal of Nuclear Materials 552. PNNL-SA-158705. doi:10.1016/j.jnucmat.2021.153008
  • Wakai E., S. Takaya, Y. Matsui, Y. Nagae, S. Kato, T. Suzudo, and M. Yamaguchi, et al. 2021. "Irradiation Damages of Structural Materials under Different Irradiation Environments." Journal of Nuclear Materials 543. PNNL-SA-155977. doi:10.1016/j.jnucmat.2020.152503

2020

  • Ishida T., E. Wakai, S. Makimura, A.M. Casella, D.J. Edwards, R. Prabhakaran, and D.J. Senor, et al. 2020. "Tensile behavior of dual-phase titanium alloys under high-intensity proton beam exposure: radiation-induced omega phase transformation in Ti-6Al-4V." Journal of Nuclear Materials 541. PNNL-SA-152944. doi:10.1016/j.jnucmat.2020.152413
  • Ishida T., E. Wakai, S. Makimura, P. Hurh, K. Ammigan, A.M. Casella, and D.J. Edwards, et al. 2020. "Radiation Damage Studies on Titanium Alloys as High Intensity Proton Accelerator Beam Window Materials." In Proceedings of the 14th International Workshop on Spallation Materials Technology, November 11-16, 2018, Fukushima, Japan. JPS Conference Proceedings, 28, 041001. Tokyo:The Physical Society of Japan. PNNL-SA-167289. doi:10.7566/JPSCP.28.041001
  • McNamara B.K., A.M. Casella, E.C. Buck, R.A. Clark, I.J. Schwerdt, R.G. Surbella, and K.M. McCoy. 2020. "Targeted uranium recovery from complex alloys using fluoride volatility." Journal of Fluorine Chemistry 235. PNNL-SA-153805. doi:10.1016/j.jfluchem.2020.109539
  • Riechers S.L., A.M. Casella, D.J. Senor, and P. Ramuhalli. 2020. "NSUF Rad-AFM: Nanoscale Material Property Measurements of Radioactive Materials." Transactions of the American Nuclear Society 122, no. 1:226-229. PNNL-SA-150575. doi:10.13182/T122-32030

2019

  • Simos N., P. Hurh, E. Dooryhee, L.L. Snead, D. Sprouster, Z. Zhong, and H. Zhong, et al. 2019. "120 GeV neutrino physics graphite target damage assessment using electron microscopy and high-energy x-ray diffraction." Physical Review Accelerators and Beams 22, no. 4:Article No. 041001. PNNL-SA-143705. doi:10.1103/PhysRevAccelBeams.22.041001
  • Simpson M., and A.M. Casella. 2019. "Non-Aqueous Processing." In Engineering Separations Unit Operations for Nuclear Processing, edited by Reid Peterson. 305-321. Boca Raton, Florida:CRC Press. PNNL-SA-145432. doi:10.1201/9780429466748-7

2018

  • Casella A.M., D. Burkes, P.J. MacFarlan, and E.C. Buck. 2018. "Determination of the degree of grain refinement in irradiated U-Mo fuels." Heliyon 4, no. 12:Article No. e00920. PNNL-SA-129200. doi:10.1016/j.heliyon.2018.e00920
  • Huber T.K., H. Breitkreutz, D. Burkes, A.J. Casella, A.M. Casella, S. Elgeti, and C. Reiter, et al. 2018. "Thermal Conductivity of Fresh and Irradiated U-Mo Fuels." Journal of Nuclear Materials 503. PNNL-SA-125747. doi:10.1016/j.jnucmat.2018.01.056
  • Ishida T., E. Wakai, M. Hagiwara, S. Makimura, M. Tada, D.M. Asner, and A.M. Casella, et al. 2018. "Study of the radiation damage effect on Titanium metastable beta alloy by high intensity proton beam." Nuclear Materials and Energy 15. PNNL-SA-134718. doi:10.1016/j.nme.2018.04.006
  • Wootan D.W., R.P. Omberg, A.M. Casella, N.L. LaHaye, B.K. McDowell, and W. Stokes. 2018. "Means of Meeting Chapter 15 Requirements for a Small Modular Reactor Cooled by Lead-Bismuth." In International Congress on Advances In Nuclear Power Plants (ICAPP 2018), APril 8-11, 2018, Charlotte, NC, 36-44. Downers Grove, Illinois:American Nuclear Society. PNNL-SA-131459.

2017

  • Ammigan K., P. Hurh, V. Sidorov, R. Zwaska, D.M. Asner, A.M. Casella, and D.J. Edwards, et al. 2017. "Post Irradiation Examination Results of the NT-02 Graphite Fins NuMI Target." In Proceedings of the North American Particle Accelerator Conference (NAPAC 2016), October 9-14, 2016, Chicago, IL, MOPOB13. Geneva:Joint Accelerator Conferences Website (JACoW). PNNL-SA-121588. doi:10.18429/JACoW-NAPAC2016-MOPOB13
  • Burkes D., A.J. Casella, and A.M. Casella. 2017. "The Influence of Cladding on Fission Gas Release from Irradiated U-Mo Monolithic Fuel." Journal of Nuclear Materials 486. PNNL-SA-121666. doi:10.1016/j.jnucmat.2017.01.016
  • Casella A.M., D. Burkes, P.J. MacFarlan, and E.C. Buck. 2017. "Characterization of Fission Gas Bubbles in Irradiated U-10Mo Fuel." Materials Characterization 131. PNNL-SA-124921. doi:10.1016/j.matchar.2017.06.007
  • Ramuhalli P., R.E. Jacob, P.J. MacFarlan, and A.M. Casella. 2017. "Microstructural Characterization of Irradiated U0.7ZrH1.6 Using Ultrasonic Techniques." In Transactions of the American Nuclear Society (ANS 2017), June 11-15, 2017, San Francisco, CA, 116, 361-364. La Grange Park, Illinois:American Nuclear Society. PNNL-SA-123536.
  • Scheele R.D., A.M. Casella, and B.K. McNamara. 2017. "Use of Nitrogen Trifluoride to Purify Molten Salt Reactor Coolant and Heat Transfer Fluoride Salts." Industrial Engineering Chemistry Research 56, no. 19:5505-5515. PNNL-SA-123463. doi:10.1021/acs.iecr.7b00374
  • Wootan D.W., A.M. Casella, D.M. Asner, and D.J. Senor. 2017. "TUNABLE IRRADIATION TESTBED." In 13th International Topical Meeting on Nuclear Applications of Accelerators (AccApp 2017), July 31-August 4, 2017, Quebec City, Quebec, Canada, 436-447. La Grange Park, Illinois:American Nuclear Society. PNNL-SA-129034.

2016

  • Burkes D., A.J. Casella, and A.M. Casella. 2016. "Measurement of Fission Gas Release from Irradiated U-Mo Dispersion Fuel Samples." Journal of Nuclear Materials 478. PNNL-SA-114575. doi:10.1016/j.jnucmat.2016.05.039
  • Burkes D., D.J. Senor, and A.M. Casella. 2016. "A Model to Predict Failure of Irradiated U-Mo Dispersion Fuel." Nuclear Engineering and Design 310. PNNL-SA-115734. doi:10.1016/j.nucengdes.2016.09.032
  • Burkes D., T.K. Huber, and A.M. Casella. 2016. "A Model to Predict Thermal Conductivity of Irradiated U-Mo Dispersion Fuel." Journal of Nuclear Materials 473. PNNL-SA-113336. doi:10.1016/j.jnucmat.2016.01.012
  • Casella A.M., and S.K. Loyalka. 2016. "Monte Carlo N-Particle Tracking of Ultrafine Particle Flow in Bent Micro-Tubes." Aerosol Science and Technology 50, no. 3:272-283. PNNL-SA-113413. doi:10.1080/02786826.2016.1143548
  • McNamara B.K., M.J. O'Hara, A.M. Casella, J.C. Carter, R.S. Addleman, and P.J. MacFarlan. 2016. "Uniform deposition of uranium hexafluoride (UF6): Standardized mass deposits and controlled isotopic ratios using a thermal fluorination method." Talanta 154. PNNL-SA-109983. doi:10.1016/j.talanta.2016.03.054
  • Wootan D.W., A.M. Casella, R.P. Omberg, T.M. Burke, and C. Grandy. 2016. "Lessons Learned about Liquid Metal Reactors from FFTF Experience." In International Congress on Advances in Nuclear Power Plants (ICAPP 2016), April 17-20, 2016, San Francisco, California, 1, 96-105. La Grange Park, Illinois:American Nuclear Society. PNNL-SA-114893.
  • Wootan D.W., and A.M. Casella. 2016. "FFTF Passive Safety Test Data for Benchmarks for New LMR Designs." In Physics of Reactors (PHYSOR 2016): Unifying Theory and Experiments in the 21st Century, May 1-6, 2016, Sun Valley, Idaho, 2050-2058. La Grange Park, Illinois:American Nuclear Society. PNNL-SA-115515.

2015

  • Burkes D., A.J. Casella, A.M. Casella, W.G. Luscher, F. Rice, and K.N. Pool. 2015. "Measurement of Fission Gas Release from Irradiated U-Mo Monolithic Fuel Samples." Journal of Nuclear Materials 461. PNNL-SA-101195. doi:10.1016/j.jnucmat.2015.02.020
  • Burkes D., A.M. Casella, A.J. Casella, E.C. Buck, K.N. Pool, P.J. MacFarlan, and M.K. Edwards, et al. 2015. "Thermal properties of U-Mo alloys irradiated to moderate burnup and power." Journal of Nuclear Materials 464. PNNL-SA-108278. doi:10.1016/j.jnucmat.2015.04.040
  • Burkes D., A.M. Casella, and T.K. Huber. 2015. "Modeling the Influence of Interaction Layer Formation on Thermal Conductivity of U-Mo Dispersion Fuel." Journal of Alloys and Compounds 618. PNNL-SA-102677. doi:10.1016/j.jallcom.2014.08.123
  • Casella A.M., R.D. Scheele, and B.K. McNamara. 2015. "Characterization of the Kinetics of NF3-Fluorination of NpO2." AIP Advances 5, no. 12:Article No. 127230. PNNL-SA-113410. doi:10.1063/1.4939143
  • Hu S.Y., A.M. Casella, C.A. Lavender, D.J. Senor, and D. Burkes. 2015. "Assessment of Effective Thermal Conductivity in U-Mo Metallic Fuels with Distributed Gas Bubbles." Journal of Nuclear Materials 462. PNNL-SA-106990. doi:10.1016/j.jnucmat.2015.03.039
  • Huber T.K., H. Breitkreutz, W. Petry, C. Reiter, S. Elgeti, D. Burkes, and A.J. Casella, et al. 2015. "The Thermal Properties of Fresh and Spent U-Mo Fuels: An Overview." In Proceedings of the European Research Reactor Conference (RRFM 2015) , April 19-23, 2015, Bucharest, Romania, 88-99. Brussels:European Nuclear Society. PNNL-SA-110100.

2014

  • Burkes D., A.M. Casella, E.C. Buck, A.J. Casella, M.K. Edwards, P.J. MacFarlan, and K.N. Pool, et al. 2014. "Development and validation of capabilities to measure thermal properties of layered monolithic U-Mo alloy plate-type fuel." International Journal of Thermophysics 35, no. 8:1476-1500. PNNL-SA-100138. doi:10.1007/s10765-014-1683-4
  • Casella A.M., S.K. Loyalka, and B.D. Hanson. 2014. "Modeling of Particulate Behavior in Pinhole Breaches." Nuclear Technology 186, no. 1:99-114. PNNL-SA-94571.

2013

  • Kulisek J.A., K.K. Anderson, A.M. Casella, C.J. Gesh, and G.A. Warren. 2013. "Assaying Used Nuclear Fuel Assemblies Using Lead Slowing-Down Spectroscopy and Singular Value Decomposition." IEEE Transactions on Nuclear Science 60, no. 2:539-544. PNNL-SA-88330. doi:10.1109/TNS.2013.2250304
  • Kulisek J.A., K.K. Anderson, A.M. Casella, G.A. Warren, V.A. Gavron, Y. Danon, and A. Weltz, et al. 2013. "Update on Establishing the Feasibility of Lead Slowing Down Spectroscopy for Direct Measurement of Plutonium in Used Fuel." In 54th Annual Meeting of the Institute of Nuclear Materials Management (INMM 2013). Deerfield, Illinois:Institute of Nuclear Materials Management. PNNL-SA-96238.
  • Scheele R.D., B.K. McNamara, A.M. Casella, A.E. Kozelisky, and D. Neiner. 2013. "Thermal NF3 fluorination/oxidation of cobalt, yttrium, zirconium, and selected lanthanide oxides." Journal of Fluorine Chemistry 146. PNNL-SA-89166. doi:10.1016/j.jfluchem.2012.12.013

2012

  • Kulisek J.A., K.K. Anderson, A.M. Casella, C.J. Gesh, G.A. Warren, V.A. Gavron, and M. Devlin, et al. 2012. "Status on Establishing the Feasibility of Lead Slowing Down Spectroscopy for Direct Measurement of Plutonium in Used Fuel." In 53rd Annual Meeting of the Institue of Nuclear Materials Managment 2012 (INMM 2012). Deerfield, Illinois:Institute of Nuclear Materials Management. PNNL-SA-88756.
  • Kulisek J.A., K.K. Anderson, S.M. Bowyer, A.M. Casella, C.J. Gesh, L.E. Smith, and A. Gavron, et al. 2012. "Progress on Establishing the Feasibility of Lead Slowing Down Spectroscopy for Direct Measurement of Plutonium in Used Fuel." In 52nd Annual Meeting of the Institute of Nuclear Materials Management (INMM 52), July 17-21, 2011, Palm Desert, California, 2, 1173-1182. Deerfield, Illinois:Instiute of Nuclear Materials Management. PNNL-SA-80557.
  • Scheele R.D., B.K. McNamara, A.M. Casella, and A.E. Kozelisky. 2012. "On the Use of Thermal NF3 as the Fluorination and Oxidation Agent in Treatment of Used Nuclear Fuels." Journal of Nuclear Materials 424, no. 1-3:224-236. PNNL-SA-80882. doi:10.1016/j.jnucmat.2012.03.004
  • Tobin S.J., H.O. Menlove, M.T. Swinhoe, P. Blanc, T. Burr, L.G. Evans, and A. Favalli, et al. 2012. "Technical Cross-Cutting Issues for the Next Generation Safeguards Initiative's Spent Fuel Nondestructive Assay Project." JNMM. Journal of Nuclear Materials Management 40, no. 3:18-24. PNNL-SA-86028.

2011

  • Casella A.M., G.A. Warren, M.G. Cantaloub, E.K. Mace, B.S. McDonald, C.T. Overman, and S.L. Pratt, et al. 2011. "Characterization of a New Lead Slowing Down Spectrometer." In Proceedings of the 52nd Annual Meeting of the Institute of Nuclear Materials Management, July 17-21, 2011, Palm Desert, California. Deerfield, Illinois:Institute of Nuclear Materials Management. PNNL-SA-80569.
  • Casella A.M., R.D. Scheele, and B.K. McNamara. 2011. "Kinetics of Separations of Volatile Fluorides from Used Fuel Using NF3." Transactions of the American Nuclear Society 105, no. 1:215-216. PNNL-SA-80445.
  • Matyas J., R.S. Wegeng, M.J. Robinson, A.M. Casella, and J.S. McCloy. 2011. "Experimental Characterization of Thermal Wadis in Support of Lunar Exploration." In AIAA SPACE 2011 Conference & Exposition, September 27-29, 2011, Long Beach, California, Paper No. AIAA 2011-7364. Reston, Virginia:American Institute of Aeronautics and Astronautics. PNWD-SA-9590.

2010

  • Poloski A.P., A.W. Etchells, J. Chun, H.E. Adkins, A.M. Casella, M.J. Minette, and S.T. Yokuda. 2010. "A Pipeline Transport Correlation for Slurries with Small but Dense Particles." Canadian Journal of Chemical Engineering 88, no. 2:182-189. PNNL-SA-65163.

2009

  • Casella A.M., S.K. Loyalka, and B.D. Hanson. 2009. "Computation of Free Molecular Flow in Nuclear Materials." Journal of Nuclear Materials 394, no. 2-3:123-130. PNNL-SA-65541.
  • Hanson B.D., A.M. Casella, and C.E. Beyer. 2009. "The RADFUEL Concept to Accelerate Fuel Qualification." Transactions of the American Nuclear Society 101. PNNL-SA-67255.

2007

  • Casella A.M., S.K. Loyalka, and B.D. Hanson. 2007. "A Monte Carlo Program for Modeling Particulate Flows through Pinhole Breaches in Spent Fuel Canisters." Transactions of the American Nuclear Society 91. PNNL-SA-55747.
  • Casella A.M., S.K. Loyalka, and B.D. Hanson. 2007. "Monte Carlo Modeling of Molecular Flow through Nano-Pathways in Irradiated TRISO Fuels." Transactions of the American Nuclear Society 97. PNNL-SA-55746.
  • Casella A.M., S.K. Loyalka, and B.D. Hanson. 2007. "Pinhole Breaches in Spent Fuel Containers: Improvements to Conservative Models of Aerosol Release and Plugging." Transactions of the American Nuclear Society 97. PNNL-SA-55749.

2006

  • Casella A.M., S.K. LOYALKA, and B.D. Hanson. 2006. "Plugging Effects on Depressurization Time in Dry Storage Containers with Pinhole Breaches." In Transactions of the American Nuclear Society Winter 2006 Meeting, edited by Christine A. Yoelin, Julie B. Rule, 95, 209-210. La Grange Park, Illinois:American Nuclear Society. PNNL-SA-50613.

Energy and Environment

Core Research Areas

Contacts