Judith Todd Copley

    • 508 Citations
    • 13 h-Index
    1980 …2019

    Research output per year

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    Research Output

    2019

    Laser-sustained plasma (LSP) nitriding of titanium: A review

    Kamat, A. M., Copley, S. M., Segall, A. E. & Todd, J. A., May 1 2019, In : Coatings. 9, 5, 283.

    Research output: Contribution to journalReview article

    Open Access
    6 Scopus citations
    2018
    1 Scopus citations
    2017

    A new method for isolating plasma interactions from those of the laser beam during plasma nitriding

    Black, A. N., Copley, S. M. & Todd Copley, J., Dec 1 2017, In : Materials Characterization. 134, p. 143-151 9 p.

    Research output: Contribution to journalArticle

    1 Scopus citations

    A two-step laser-sustained plasma nitriding process for deep-case hardening of commercially pure titanium

    Kamat, A. M., Copley, S. M. & Todd, J. A., Mar 15 2017, In : Surface and Coatings Technology. 313, p. 82-95 14 p.

    Research output: Contribution to journalArticle

    10 Scopus citations

    Enhancement of CP-titanum wear resistance using a two-step CO2 laser-sustained plasma nitriding process

    Kamat, A. M., Segall, A. E., Copley, S. M. & Todd, J. A., Sep 25 2017, In : Surface and Coatings Technology. 325, p. 229-238 10 p.

    Research output: Contribution to journalArticle

    9 Scopus citations

    Practical design of a high frequency phased-array acoustic microscope probe -a preliminary study

    Kim, J. N., Tutwiler, R. L. & Todd Copley, J., Jan 1 2017, High-Pressure Technology; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); SPC Track for Senate. American Society of Mechanical Engineers (ASME), (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 5).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2016

    Effect of processing parameters on microstructure during laser-sustained plasma (LSP) nitriding of commercially-pure titanium

    Kamat, A. M., Copley, S. M. & Todd, J. A., Apr 1 2016, In : Acta Materialia. 107, p. 72-82 11 p.

    Research output: Contribution to journalArticle

    22 Scopus citations

    Evaluation of near-surface stress distributions in dissimilar welded joint by scanning acoustic microscopy

    Kwak, D. R., Yoshida, S., Sasaki, T., Todd, J. A. & Park, I. K., Apr 2016, In : Ultrasonics. 67, p. 9-17 9 p.

    Research output: Contribution to journalArticle

    5 Scopus citations
    2015

    2013 Benjamin Franklin Medal in Mechanical Engineering presented to Subra Suresh

    Todd Copley, J. & Copley, S. M., Jul 1 2015, In : Journal of the Franklin Institute. 352, 7, p. 2621-2626 6 p.

    Research output: Contribution to journalArticle

    Characterization of complex materials with elastic discontinuities using scanning acoustic microscopy

    Li, X., Kim, J. N., Todd Copley, J., Tutwiler, R. L. & Park, I. K., Jan 1 2015, Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure 2015. Shull, P. J. (ed.). SPIE, 943703. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9437).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
    2013

    Visualization of interior structures with nanoscale resolution using ultrasonic-atomic force microscopy

    Kwak, D. R., Kim, S. H., Park, I. K., Todd Copley, J. & Miyasaka, C., 2013, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2013. Vol. 8691. 869117

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Scopus citations
    2012

    Investigations of laser-sustained plasma and its role in laser nitriding of titanium

    Nassar, A. R., Akarapu, R., Copley, S. M. & Todd, J. A., May 9 2012, In : Journal of Physics D: Applied Physics. 45, 18, 185401.

    Research output: Contribution to journalArticle

    14 Scopus citations

    Photonic Innovations and Solutions for Complex Environments and Systems, PISCES

    Lakhtakia, A. & Todd, J. A., Jan 1 2012, Photonic Innovations and Solutions for Complex Environments and Systems, PISCES. SPIE, (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8482).

    Research output: Chapter in Book/Report/Conference proceedingChapter

    2011

    Multi-layer coating design architecture for optimum particulate erosion resistance

    Borawski, B., Singh, J., Todd, J. A. & Wolfe, D. E., Sep 2 2011, In : Wear. 271, 11-12, p. 2782-2792 11 p.

    Research output: Contribution to journalArticle

    35 Scopus citations

    The influence of ductile interlayer material on the particle erosion resistance of multilayered TiN based coatings

    Borawski, B., Todd Copley, J., Singh, J. & Wolfe, D. E., Sep 2 2011, In : Wear. 271, 11-12, p. 2890-2898 9 p.

    Research output: Contribution to journalArticle

    34 Scopus citations
    2009

    Generation and characterization of laser sustainted plasmas of argon and AR-C02 mixtures under various flow conditions

    Akarapu, R., Nassar, A. R., Copley, S. M. & Todd Copley, J., Nov 10 2009, 2009 IEEE International Conference on Plasma Science - Abstracts, ICOPS 2009. 5227451

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Investigation of hydrogen assisted cracking in high and low strength steels

    Homrossukon, S., Mostovoy, S. & Todd, J. A., Aug 1 2009, In : Journal of Pressure Vessel Technology, Transactions of the ASME. 131, 4, 041405.

    Research output: Contribution to journalArticle

    3 Scopus citations

    Numerical model of a laser-sustained argon plasma

    Akarapu, R., Nassar, A. R., Copley, S. M. & Todd Copley, J., Dec 1 2009, In : Journal of Laser Applications. 21, 4, p. 169-175 7 p.

    Research output: Contribution to journalArticle

    4 Scopus citations
    2008

    Characterization of spectral emissions from laser irradiated titanium

    Akarapu, R. K., Dua, P., Campbell, A., Scott, D., Nassar, A., Todd, J. & Copley, S., Dec 1 2008, Nitrides and Related Bulk Materials. p. 25-30 6 p. (Materials Research Society Symposium Proceedings; vol. 1040).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    3 Scopus citations

    Metallographic techniques for evaluation of Thermal Barrier Coatings produced by Electron Beam Physical Vapor Deposition

    Kelly, M., Singh, J., Todd, J., Copley, S. & Wolfe, D., Jul 1 2008, In : Materials Characterization. 59, 7, p. 863-870 8 p.

    Research output: Contribution to journalArticle

    13 Scopus citations

    Quantative microstructural analysis of thermal barrier coatings produced by electron beam physical vapor deposition

    Kelly, M., Singh, J., Todd, J., Copley, S. & Wolfe, D., Aug 21 2008, Advanced Ceramic Coatings and Interfaces II - A Collection of Papers Presented at the 31st International Conference on Advanced Ceramics and Composites. 3 ed. p. 71-80 10 p. (Ceramic Engineering and Science Proceedings; vol. 28, no. 3).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
    2007

    Absorption of laser irradiation in a porous powder layer

    McVey, R. W., Melnychuk, R. M., Todd, J. A. & Martukanitz, R. P., Nov 1 2007, In : Journal of Laser Applications. 19, 4, p. 214-224 11 p.

    Research output: Contribution to journalArticle

    29 Scopus citations
    2006

    Investigation of hydrogen assisted cracking in pressure vessels

    Homrossukon, S., Mostovoy, S. & Todd Copley, J., Nov 29 2006, Proceedings of 2006 ASME Pressure Vessels and Piping Division Conference - ASME PVP2006/ICPVT-11 Conference - Pressure Vessel Technologies for the Global Community. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 2006).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    The effect of casting variables on the structure of hypereutectic Al-Si alloys

    Faraji, M., Todd, J. & Jones, H., Dec 1 2006, Aluminium Alloys 2006: Research Through Innovation and Technology - Proceedings of the 10th International Conference on Aluminium Alloys. PART 2 ed. p. 1741-1746 6 p. (Materials Science Forum; vol. 519-521, no. PART 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    9 Scopus citations

    Welcome from the chairs

    Todd Copley, J. & Zamrik, S. Y., Nov 29 2006, In : American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 2006

    Research output: Contribution to journalEditorial

    2005
    1 Scopus citations

    Manufacturing (industry oriented) Introduction

    Todd, J. A., Raman, S. & Whitehead, J., Dec 1 2005, In : American Society of Mechanical Engineers, Manufacturing Engineering Division, MED. 16-2, 1 p.

    Research output: Contribution to journalEditorial

    2000

    Evidence for Early Bronze Age tin ore processing

    Laughlin, G. J. & Todd, J. A., Oct 1 2000, In : Materials Characterization. 45, 4-5, p. 269-273 5 p.

    Research output: Contribution to journalArticle

    5 Scopus citations

    Laser machining of ceramic matrix composites

    Carroll, J. W., Todd Copley, J., Ellingson, W. A. & Polzin, B. J., Jan 1 2000, In : Ceramic Engineering and Science Proceedings. 21, 3, p. 323-330 8 p.

    Research output: Contribution to journalConference article

    4 Scopus citations
    1999
    5 Scopus citations
    1998

    Intergranular phase of Si3N4 hot-pressed with 6% Y2O3

    Costa, C. A. & Todd Copley, J., Dec 1 1998, In : Ceramic Engineering and Science Proceedings. 19, 3, p. 523-530 8 p.

    Research output: Contribution to journalConference article

    1997

    An accelerated test method for determining near-threshold stress intensity values in HSLA steels

    Liu-Nash, G., Todd, J. A. & Mostovoy, S., Jan 1 1997, In : Fatigue and Fracture of Engineering Materials and Structures. 20, 12, p. 1657-1664 8 p.

    Research output: Contribution to journalArticle

    2 Scopus citations

    Crack closure effects on fatigue crack growth thresholds and remaining life in an hsla steel

    Todd Copley, J., Chen, L., Yankov, E. Y. & Mostovoy, S., Jan 1 1997, In : Journal of Pressure Vessel Technology, Transactions of the ASME. 119, 1, p. 37-44 8 p.

    Research output: Contribution to journalArticle

    2 Scopus citations
    11 Scopus citations

    Fracture toughness and reliability of Si3N4 whisker-reinforced Si3N4 ceramics

    Costa, C. A. & Todd Copley, J., Jan 1 1997, In : Ceramic Engineering and Science Proceedings. 18, 3 A, p. 211-218 8 p.

    Research output: Contribution to journalConference article

    1996
    2 Scopus citations
    1 Scopus citations
    1994

    Fatigue crack growth assessment for life prolongation of thick section components

    Rahka, K., Brihmadesam, J. S., Rao, K. R., Todd, J. A. & Chen, L., Dec 1 1994, In : American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP. 285, p. 207-216 10 p.

    Research output: Contribution to journalConference article

    1993

    Comparison of the near-threshold corrosion fatigue crack propagation rates in mil S-24645 HSLA steel and its weld metal

    Todd Copley, J., Chen, L., Yankov, E. Y. & Tao, H., May 1993, In : Journal of Offshore Mechanics and Arctic Engineering. 115, 2, p. 131-136 6 p.

    Research output: Contribution to journalArticle

    6 Scopus citations

    Crack closure effects on fatigue crack growth thresholds and remaining life in a HSLA steel

    Todd Copley, J., Chen, L., Yankov, E. Y. & Mostovoy, S., Dec 1 1993, Service Experience and Life Management: Nuclear, Fossil, and Petrochemical Plants. Swindeman, R. W., Asada, Y., Chang, S. J. & Todd, J. A. (eds.). Publ by ASME, p. 201-211 11 p. (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 261).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations

    Influence of aging kinetics on the elevated temperature properties of an advances austenitic steel

    Todd Copley, J., 1993, High-Temperature Service and Time-Dependent Failure. Swindeman, R. W., Asada, Y., Chang, S. J. & Todd, J. A. (eds.). Publ by ASME, Vol. 262. p. 95-113 19 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Near-threshold corrosion fatigue crack growth behavior

    Todd Copley, J., Chen, L. & Yankov, E. Y., Dec 1 1993, First International Conference on Microstructures and Mechanical Properties of Aging Materials. Liaw, P. K., Viswanathan, R., Murty, K. L., Simonen, E. P. & Frear, D. (eds.). Publ by Minerals, Metals & Materials Soc (TMS), p. 327-341 15 p. (First International Conference on Microstructures and Mechanical Properties of Aging Materials).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments

    Todd Copley, J., Chen, L. & Yankov, E. Y., Jan 1 1993, In : Journal of Offshore Mechanics and Arctic Engineering. 115, 3, p. 154-161 8 p.

    Research output: Contribution to journalArticle

    4 Scopus citations

    Near-threshold fatigue crack growth behavior of mil S-24645 HSLA steel and its weldments

    Todd, J. A., Chen, L. & Yankov, E. Y., Jan 1 1993, Materials Engineering. Publ by ASME, p. 473-483 11 p. (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Scopus citations
    1992

    A comparison of the near-threshold corrosion fatigue crack propagation rates in MiL S-24645 HSLA steel and its weld metal

    Todd, J. A., Chen, L., Yankov, E. Y., Tao, H. & Reynolds, G. H., Jan 1 1992, In : [No source information available].

    Research output: Contribution to journalArticle