Dr. Marina B. Ruggles-Wrenn
Distinguished Professor of Aerospace Engineering
Dr. Marina Ruggles-Wrenn is a Distinguished Professor of Aerospace Engineering in the Department of Aeronautics and Astronautics. Dr. Ruggles-Wrenn teaches graduate courses and directs graduate student research in the area of Mechanics of Materials and Structures. Dr. Ruggles-Wrenn is an internationally recognized expert in experimental investigation of material behavior in extreme environments, advanced structural materials, and high-temperature structural design methods. She has published over 200 peer reviewed scientific publications on composite materials and structures and on high-temperature structural design methods.
Dr. Ruggles-Wrenn is a Fellow of the American Society of Mechanical Engineers (ASME) and a Fellow of the International Association for Advanced Materials.
Education
1981 BS Mechanical Engineering, Polytechnic Institute of New York, Brooklyn, NY
1983 MS Mechanics, Rensselaer Polytechnic Institute, Troy, NY
1987 PhD Mechanical Engineering, Rensselaer Polytechnic Institute, Troy, NY
Awards
2023 Distinguished Professor Award
2022 Fellow, International Association for Advanced Materials
2019 Dean’s Distinguished Teaching Professor Award
2019 Plenary Lecture, 10th International Conference on High Temperature Ceramic Matrix Composites HT-CMC10.
2016 ASME, Dedicated Service Award
2016 ASME, Board of Governors Award
2014 Stinson Trophy, the National Aeronautic Association
2012 Best Paper Award – ASME International Gas Turbine Institute 2012 Turbo Expo Technical Conference
2008 ASA Instructor of the Quarter, AFIT Student Association
2007 Col. Gage H. Crocker Outstanding Professor Award
2003 ASME Pressure Vessel and Piping Division, Distinguished Service Award
2003 Oak Ridge National Laboratory Technical Achievement Award
1998 Best Paper Award – ESD The Engineering Society, 13th Annual Advanced Composites Conference
1993 Oak Ridge National Laboratory Technical Achievement Award
1990 Oak Ridge National Laboratory Technical Achievement Award
Publications
BOOK CHAPTERS
M. B. Ruggles-Wrenn, Mechanical Behavior of Oxide–Oxide Fiber-Reinforced CMCs at Elevated Temperature: Environmental Effects, Comprehensive Composite Materials II, Volume 5, P.W.R. Beaumont and C.H. Zweben, eds., Oxford: Academic Press, 2018, pp. 174–236.
M. B. Ruggles-Wrenn and M. P. Wilkinson, Fatigue of 2D and 3D Carbon-Fiber-Reinforced Polymer Matrix Composites and of a Unitized Polymer/Ceramic Matrix Composite at Elevated Temperature, Fifty Years of Progress in Carbon Fiber Research, P. W. R. Beaumont, C. Soutis, A. Hodzic, eds., Springer, 2017, pp. 873-907.
M. B. Ruggles-Wrenn, Effects of Environment on Creep Behavior of Three Oxide-Oxide Ceramic Matrix Composites at 1200°C, Structural Integrity and Durability of Advanced Composites, P. W. R. Beaumont, C. Soutis, A. Hodzic, eds., Elsevier, 2015, pp. 315-340.
M. B. Ruggles-Wrenn, Environmental Effects on Oxide/Oxide Composites, Ceramic Matrix Composites: Materials, Modeling, Technology and Applications, N. P. Bansal and J. Lamon, eds., John Wiley & Sons, Inc., 2015, pp. 295-333.
RECENT JOURNAL PUBLICATIONS
R. S. Hay, M. B. Ruggles-Wrenn, S. J. Robertson, M. Piper, T. Shillig, R. Mitchell, B. Kroeger, L. Gumucio, C. Nelson, R. Reinink, “Subcritical Crack Growth Models for SiC Fiber in Air and Steam: Low Temperature Data and Possible Effects of Residual Stress”, Open Ceramics, 15 (2023) 100372, open access journal of the European Ceramic Society.
A. J. DeGregoria, M. B. Ruggles-Wrenn, G. E. Pry, “Oxidation of Hafnium Diboride-Silicon Carbide at 1500°C in Air; Effect of Compressive Stress”, Journal of Materials Engineering and Performance 32, 6747-6758 (2023), open access.
M. B. Ruggles-Wrenn and M. L. Harkins, “To drill of not to drill? Creep of oxide-oxide composite with diamond-drilled effusion holes at elevated temperature”, International Journal of Applied Ceramic Technology, Vol. 19, 2022, pp. 2796-2806.
M. B. Ruggles-Wrenn and S. A. Alnatifat, “Fully-reversed tension-compression fatigue of 2D and 3D woven polymer matrix composites at elevated temperature”, Polymer Testing, Vol. 97, 2021, 107179.
R. S. Hay, S. J. Robertson, M. B. Ruggles-Wrenn, M. Piper, T. Shillig, R. Mitchell, B. Kroeger, L. Gumucio, “Subcritical Crack Growth Models for Static Fatigue of Hi-Nicalon™-S SiC Fiber in Air and Steam”, Journal of the American Ceramic Society, Vol. 107 (7), 2021, pp. 3562-3592.
M. B. Ruggles-Wrenn and T. M. Williams, “Fatigue of a SiC/SiC ceramic composite with an ytterbium-disilicate environmental barrier coating at elevated temperature”, International Journal of Applied Ceramic Technology, Vol. 17, 2020, pp. 2074-2082. http://dx.doi.org/10.1111/ijac.13539.
M. B. Ruggles-Wrenn and T. A. Wallis, “Creep in interlaminar shear of an Hi-Nicalon™/SiC-B4C composite at 1300°C in air and in steam”, Journal of Composite Materials, Vol. 54(14), 2020, pp. 1819-1829.
S. J. Robertson, M. B. Ruggles-Wrenn, R. S. Hay, T. Shillig, R. Mitchell, B. Kroeger, L. Gumucio, “Static fatigue of Hi-Nicalon™-S fiber at elevated temperature in air, steam and silicic-acid-saturated steam”, Journal of the American Ceramic Society, Vol. 103, 2020, pp. 1358-1371.
M. B. Ruggles-Wrenn, S. N. Minor, C. P. Przybyla, and E. L. Jones, “Creep of a Nextel™720/alumina ceramic composite containing an array of small holes at 1200°C in air and in steam”, International Journal of Applied Ceramic Technology, Vol. 16, 2019, pp. 3-13.
M. B. Ruggles-Wrenn and M. Noomen, “Fatigue of unitized polymer/ceramic matrix composites with 2D and 3D fiber architecture at elevated temperature”, Polymer Testing, Vol. 72, 2018, pp. 244-256.
M. B. Ruggles-Wrenn, N. J. Boucher and C. P. Przybyla, “Fatigue of three advanced SiC/SiC ceramic matrix composites at 1200°C in air and in steam”, International Journal of Applied Ceramic Technology, Vol. 15, 2018, pp. 3-15.
M. B. Ruggles-Wrenn and M. D. Lee, “Fatigue behavior of an advanced SiC/SiC ceramic composite with a self-healing matrix at 1300°C in air and in steam”, Materials Science and Engineering A, Vol. 677, 2016, pp. 438-445.
M. B. Ruggles-Wrenn and R. L. Lanser, “Tension-compression fatigue of a Nextel™720/ alumina composite at 1200° C in air and in steam”, Applied Composite Materials, Vol. 23, 2016, pp. 707–717.
M. P. Wilkinson and M. B. Ruggles-Wrenn, “Fatigue of a 2D unitized polymer/ceramic matrix composite at elevated temperature”, Polymer Testing, Vol. 54, 2016, pp. 203-213.
M. B. Ruggles-Wrenn and R. L. Lanser, “Tension-compression fatigue of an oxide/oxide ceramic composite at elevated temperature”, Materials Science and Engineering A, Vol. 659, 2016, pp. 279-277.
M. B. Ruggles-Wrenn and S. R. Hilburn, “Creep in interlaminar shear of an oxide/oxide ceramic composite at elevated temperature”, Journal of Engineering for Gas Turbines and Power, Transactions ASME, Vol. 138, No. 2, February 2016, pp. 021401-1 – 021401-8.
S. L. Winder, M. B. Ruggles-Wrenn, T. A. Parthasarathy, T. Key, and C. M. Carney, “Thermo-chemical compatibility of hafnium diboride with yttrium aluminum garnet at 1500°C in air”, Journal of the European Ceramic Society, Vol. 35, 2015, pp. 2437-2444.
M. B. Ruggles-Wrenn and S. R. Hilburn, “Creep in interlaminar shear of Nextel™720/ aluminosilicate composite at 1100 °C in air and in steam”, International Journal of Applied Ceramic Technology, Vol. 12, No. 2, 2015, pp. 473-480.
M. B. Ruggles-Wrenn, M. T. Pope and T. W. Zens, “Creep behavior in interlaminar shear of a Hi-Nicalon™/SiC-B4C composite at 1200°C in air and in steam”, Materials Science and Engineering A, Vol. 610, 2014, pp. 279-289.
R. S. Hay, C. J. Armani, M. B. Ruggles-Wrenn and G. E. Fair, “Creep mechanisms and microstructure evolution of Nextel™610 fiber in air and steam”, Journal of the European Ceramic Society, Vol. 34, 2014, pp. 2413-2426.
C. J. Armani, M. B. Ruggles-Wrenn, R. S. Hay, G. E. Fair and K. A. Keller, “Creep of polycrystalline yttrium aluminum garnet (YAG) at elevated temperature in air and in steam”, Materials Science and Engineering A, Vol. 589, 2014, pp. 125-131.
M. B. Ruggles-Wrenn and M. T. Pope, “Creep behavior in interlaminar shear of a SiC/SiC ceramic composite with a self-healing matrix”, Applied Composite Materials, Vol. 21, No. 1, 2014, pp. 213-225.
Zheng Yuan, M. B. Ruggles-Wrenn and J. Fish, “Computational Viscoplasticity Based on Overstress (VBO) Model”, International Journal for Computational Methods in Engineering Science and Mechanics, Vol. 15, No. 2, 2014, pp. 142-157.
M. B. Ruggles-Wrenn and G. Kurtz, “Notch sensitivity of fatigue behavior of a Hi-Nicalon™/SiC-B4C composite at 1200 °C in air and in steam”, Applied Composite Materials, Vol. 20, 2013, pp. 891-905.
C. J. Armani, M. B. Ruggles-Wrenn, R. S. Hay and G. E. Fair, “Creep and microstructure of Nextel™720 fiber at elevated temperature in air and in steam”, Acta Materialia, Vol. 61, 2013, pp. 6114-6124.
C. J. Armani, M. B. Ruggles-Wrenn, G. E. Fair and R. S. Hay, “Creep of Nextel™610 fiber at 1100 °C in air and in steam”, International Journal of Applied Ceramic Technology, Vol. 10, No. 2, 2013, pp. 276-284.
M. B. Ruggles-Wrenn and T. P. Jones, “Tension-compression fatigue behavior of a SiC/SiC ceramic matrix composite at 1200 °C in air and in steam”, International Journal of Fatigue, Vol. 47, 2013, pp. 154-160.
C. E. C. Ryther and M. B. Ruggles-Wrenn, “The rate (time) – dependent mechanical behavior of the PMR-15 thermoset polymer at temperatures in the 274-316 °C range: experiments and modeling”, Journal of Pressure Vessel Technology, Transactions ASME, Vol. 134, No. 6, December 2012, pp. 061404-1 - 061404-8.
M. B. Ruggles-Wrenn and T. P. Jones, “Tension-compression fatigue of a SiC/SiC ceramic matrix composite at elevated temperature”, Journal of Engineering for Gas Turbines and Power, Transactions ASME, Vol. 134, No. 9, September 2012, pp. 091301-1 - 091301-6.
M. B. Ruggles-Wrenn, J. Delapasse, A. L. Chamberlain, J. E. Lane, and T. S. Cook, “Fatigue behavior of a Hi-Nicalon™/SiC-B4C composite at 1200 °C in air and in steam”, Materials Science and Engineering A, Vol. 534, 2012, pp. 119-128.
M. B. Ruggles-Wrenn and V. Sharma, “Effects of steam environment on fatigue behavior of two SiC/[SiC+Si3N4] ceramic composites at 1300 ºC”, Applied Composite Materials, Vol. 18, No. 5, 2011, pp. 385-396.
M. B. Ruggles-Wrenn, D. T. Christensen, A. L. Chamberlain, J. E. Lane, and T. S. Cook, “Effect of frequency and environment on fatigue behavior of a CVI SiC/SiC ceramic matrix composite at 1200 °C”, Composites Science and Technology, Vol. 71, No. 2, 2011, pp. 190-196.
M. B. Ruggles-Wrenn and B. A. Whiting, “Cyclic creep and recovery behavior of Nextel™720/alumina ceramic composite at 1200 °C”, Materials Science and Engineering A, Vol. 528, 2010, pp. 1848-1856.
M. B. Ruggles-Wrenn and T. Kutsal, “Effects of steam environment on creep behavior of Nextel™720/alumina-mullite ceramic composite at elevated temperature”, Composites Part A: Applied Science and Manufacturing, Vol. 41, 2010, pp. 1807-1816.
M. B. Ruggles-Wrenn and O. Ozmen, “The rate (time) – dependent mechanical behavior of the PMR-15 thermoset polymer at 316 °C: experiments and modeling”, Journal of Pressure Vessel Technology, Transactions ASME, Vol. 132, No. 4, August 2010, pp. 041403-1 - 041403-6.
M. B. Ruggles-Wrenn and M. Ozer, “Creep behavior of Nextel™720/alumina-mullite ceramic composite with ±45° fiber orientation at 1200 ºC”, Materials Science and Engineering A, Vol. 527, 2010, pp. 5326-5334.
M. B. Ruggles-Wrenn, T. Yeleser, G. E. Fair and J. B. Davis, “Effects of steam environment on creep behavior of Nextel™610/monazite/alumina composite at 1100 ºC”, Applied Composite Materials, Vol. 16, No. 6, 2009, pp. 379-392.
A. J. W. McClung and M. B. Ruggles-Wrenn, “Effect of prior aging at 288 °C in argon environment on time – dependent deformation behavior of a thermoset polymer at elevated temperature. Part 1: experiments”, Journal of Applied Polymer Science, Vol. 114, 2009, pp. 2956-2962.
A. J. W. McClung and M. B. Ruggles-Wrenn, “Effect of prior aging at 288 °C in argon environment on time – dependent deformation behavior of a thermoset polymer at elevated temperature. Part 2: modeling with Viscoplasticity Theory Based on Overstress”, Journal of Applied Polymer Science, Vol. 114, 2009, pp. 3389-3395.
A. J. W. McClung and M. B. Ruggles-Wrenn, “Strain rate dependence and short-term relaxation behavior of a thermoset polymer at elevated temperature: experiment and modeling”, Journal of Pressure Vessel Technology, Transactions ASME, Vol. 131, No. 3, June 2009, pp. 031405-1 - 031405-8.
M. B. Ruggles-Wrenn and C. L. Genelin, “Creep of Nextel™720/alumina-mullite ceramic composite at 1200 ºC in air, argon, and steam”, Composites Science and Technology, Vol. 69, No. 5, 2009, pp. 663-669.
C. M. Falcone and M. B. Ruggles-Wrenn, “Rate dependence and short-term creep behavior of a thermoset polymer at elevated temperature”, Journal of Pressure Vessel Technology, Transactions ASME, Vol. 131, No. 1, February 2009, pp. 011403-1 - 011403-8.
M. B. Ruggles-Wrenn and J. L. Broeckert, “Effects of prior aging at 288 °C in air and in argon environments on creep response of PMR-15 neat resin”, Journal of Applied Polymer Science, Vol. 111, No. 1, 2009, pp. 228-236.
M. B. Ruggles-Wrenn and N. R. Szymczak, “Effects of steam environment on compressive creep behavior of Nextel™720/alumina ceramic composite at 1200 °C”, Composites Part A: Applied Science and Manufacturing, Vol. 39, 2008, pp. 1829-1837.
M. B. Ruggles-Wrenn, P. Koutsoukos, S. S. Baek, “Effects of environment on creep behavior of two oxide-oxide ceramic matrix composites at 1200 °C”, Journal of Materials Science, Vol. 43, No. 20, 2008, pp. 6734-6746.
M. B. Ruggles-Wrenn and J. C. Braun, “Effects of steam environment on creep behavior of Nextel™720/alumina ceramic composite at elevated temperature”, Materials Science and Engineering A, Vol. 497, No. 1-2, 2008, pp. 101-110.
A. J. W. McClung and M. B. Ruggles-Wrenn, “The rate (time) – dependent mechanical behavior of the PMR-15 thermoset polymer at elevated temperature”, Polymer Testing, Vol. 27, 2008, pp. 908-914.
M. B. Ruggles-Wrenn, A. T. Radzicki, S. S. Baek, K. A. Keller, “Effect of loading rate on the monotonic tensile behavior and tensile strength of oxide-oxide ceramic matrix composite at 1200 °C”, Materials Science and Engineering A, Vol. 492, No. 1-2, 2008, pp. 88-94.
M. B. Ruggles-Wrenn and P. D. Laffey, “Creep behavior in interlaminar shear of NextelTM720/alumina ceramic composite at elevated temperature in air and in steam”, Composites Science and Technology, Vol. 68, No. 10-11, 2008, pp. 2260-2266.
M. B. Ruggles-Wrenn, G. T. Siegert, S. S. Baek, “Creep behavior of Nextel™720/alumina ceramic composite with ±45° fiber orientation at 1200 °C”, Composites Science and Technology, Vol. 68, No. 6, 2008, pp. 1588-1595.
M. B. Ruggles-Wrenn and J. G. Balaconis, “Some aspects of the mechanical response of BMI 5250-4 neat resin at 191ºC: experiment and modeling”, Journal of Applied Polymer Science, Vol. 107, No. 3, 2008, pp. 1378-1386.
M. B. Ruggles-Wrenn, G. Hetrick, S. S. Baek, “Effects of frequency and environment on fatigue behavior of an oxide-oxide ceramic composite at 1200 °C”, International Journal of Fatigue, Vol. 30, No. 3, 2008, pp. 502-516.
P. R. Jackson, M. B. Ruggles-Wrenn, S. S. Baek, K. A. Keller, “Compressive creep behavior of an oxide-oxide ceramic composite with monazite fiber coating at elevated temperatures”, Materials Science and Engineering A, Vol. 454-455, 2007, pp. 590-601.
J. Mehrman, M. B. Ruggles-Wrenn, S. S. Baek, “Influence of hold times on the elevated-temperature fatigue behavior of an oxide-oxide ceramic composite in air and in steam environment”, Composites Science and Technology, Vol. 67, No. 7-8, 2007, pp. 1425-38.
M. B. Ruggles-Wrenn, S. S. Musil, S. Mall, K. A. Keller, “Creep behavior of NextelTM610/ monazite/alumina composite at elevated temperatures”, Composites Science and Technology, Vol. 66, No. 13, 2006, pp. 2089-2099.
M. B. Ruggles-Wrenn, S. Mall, C. A. Eber, L. B. Harlan, “Effects of steam environment on high-temperature mechanical behavior of NextelTM720/alumina (N720/A) continuous fiber ceramic composite”, Composites Part A: Applied Science and Manufacturing, Vol. 37, No. 11, 2006, pp. 2029-2040.