Daudi Rigenda Waryoba

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    20002025

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    • 2024

      Microstructures and properties of AlCrCoFeNi high entropy alloy cladded on F-0008 by spark plasma sintering (SPS)

      Davis, A. D., Walter, Z. D., Albert, P. E. & Waryoba, D. R., 2024, Advances in Powder Metallurgy and Particulate Materials - 2024: Proceedings of the 2024 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2024. Metal Powder Industries Federation, p. 245-255 11 p. (Advances in Powder Metallurgy and Particulate Materials - 2024: Proceedings of the 2024 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2024).

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

    • 2023

      Effects of Types of Copper Powder on the Properties of Cu-Ni-Si Powder Metal

      Stitt, T., Serafini, A., Jones, A. & Waryoba, D., 2023, Advances in Powder Metallurgy and Particulate Materials - 2023: Proceedings of the 2023 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2023. Metal Powder Industries Federation, p. 254-265 12 p. (Advances in Powder Metallurgy and Particulate Materials - 2023: Proceedings of the 2023 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2023).

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

    • Properties of Green and sintered Iron-based PM Steel FC-0208 using HGS 2.0 Lubricant

      Bressler, C., Matheson, B., Tomblin, N. & Waryoba, D., 2023, Advances in Powder Metallurgy and Particulate Materials - 2023: Proceedings of the 2023 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2023. Metal Powder Industries Federation, p. 163-170 8 p. (Advances in Powder Metallurgy and Particulate Materials - 2023: Proceedings of the 2023 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2023).

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

    • The Effects of Sintering Conditions on the Explosion of CW0350 Parts

      Hedlund, J. & Waryoba, D., 2023, Advances in Powder Metallurgy and Particulate Materials - 2023: Proceedings of the 2023 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2023. Metal Powder Industries Federation, p. 345-353 9 p. (Advances in Powder Metallurgy and Particulate Materials - 2023: Proceedings of the 2023 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2023).

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

    • 2022

      Cold Sintering of Iron Powdered Metal Compacts and Their Performance

      Paradis, L., Rajagopalan, R., Fairman, A., Robertson, K., Waryoba, D. R. & Randall, C., 2022, TMS 2022 151st Annual Meeting and Exhibition Supplemental Proceedings. Springer Science and Business Media Deutschland GmbH, p. 564-570 7 p. (Minerals, Metals and Materials Series).

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

      1 Scopus citations
    • Effects of Gap Width and Surface Finish on Braze Flow and Strength in Sinter Brazing

      Thompson, C., Waryoba, D., Feldbauer, S. & Carrier, N., 2022, Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022. Metal Powder Industries Federation, p. 305-331 27 p. (Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022).

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

    • Effects of High-Speed Mixing on the Properties of Sintered F-0008 and FN-0208 PM Parts

      Bressler, C., Carns, D. & Waryoba, D., 2022, Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022. Metal Powder Industries Federation, p. 526-532 7 p. (Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022).

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

    • Enhanced Properties of Iron-Based PM Parts via High-Speed Mixing of Powders

      Carns, D., Bressler, C., Rishel, G. & Waryoba, D., 2022, Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022. Metal Powder Industries Federation, p. 515-525 11 p. (Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022).

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

      1 Scopus citations
    • Ga+ Focused Ion Beam Damage in n-type Ga2O3and Its Recovery after Annealing Treatment

      Xia, X., Al-Mamun, N., Daudi, W., Ren, F., Haque, A. & Pearton, S. J., 2022, ECS Transactions. 5 ed. Institute of Physics, p. 3-14 12 p. (ECS Transactions; vol. 109, no. 5).

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

    • Influence of Surface Modification of Powdered Metals on Fabrication of Electrical Laminate Contacts

      Banner, N., Waryoba, D., Paradis-Foster, L. & Rajagopalan, R., 2022, Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022. Metal Powder Industries Federation, p. 555-568 14 p. (Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022).

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

    • Properties of Age-Hardened Cu-Ni-Si Powdered Metal Parts from Blended Powders

      Stitt, T., Keen, A. & Waryoba, D., 2022, Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022. Metal Powder Industries Federation, p. 533-543 11 p. (Advances in Powder Metallurgy and Particulate Materials - 2022: Proceedings of the 2022 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2022).

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

    • 2020

      Diffusion Bonding of AgC–Cu Bi-layered Electrical Contacts

      Waryoba, D. R. & Paradis, L., 2020, TMS 2020 149th Annual Meeting and Exhibition Supplemental Proceedings. Peng, Z., Hwang, J.-Y., Downey, J., Gregurek, D., Zhao, B., Yucel, O., Keskinkilic, E., Jiang, T., White, J. & Mahmoud, M. (eds.). Springer, p. 2067-2075 9 p. (Minerals, Metals and Materials Series).

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

    • Effects of sintering conditions on the diffusion bonding of AGC-Cu electrical contacts

      Waryoba, D. R., Paradis, L., Jones, A. E. & Bigley, A., 2020, Advances in Powder Metallurgy and Particulate Materials - 2019: Proceedings of the 2019 International Conference on Powder Metallurgy and Particulate Materials. Metal Powder Industries Federation, p. 305-315 11 p. (Advances in Powder Metallurgy and Particulate Materials - 2019: Proceedings of the 2019 International Conference on Powder Metallurgy and Particulate Materials).

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

    • 2018

      Influence of processing parameters on the induction sintering of copper powder metal

      Waryoba, D., Jan 1 2018, Advances in Powder Metallurgy and Particulate Materials - 2018: Proceedings of the 2018 International Conference on Powder Metallurgy and Particulate Material, POWDERMET 2018. Metal Powder Industries Federation, p. 316-327 12 p. (Advances in Powder Metallurgy and Particulate Materials - 2018: Proceedings of the 2018 International Conference on Powder Metallurgy and Particulate Material, POWDERMET 2018; vol. 2018-June).

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

    • Study on microstructure, mechanical characteristics and corrosion performance of artifacts, being processed by post sinter hybrid porosity sealing and subsequent heat treatment

      Frayman, L., Quinn, S., Jones, A., Serafini, A. & Waryoba, D., Jan 1 2018, Advances in Powder Metallurgy and Particulate Materials - 2018: Proceedings of the 2018 International Conference on Powder Metallurgy and Particulate Material, POWDERMET 2018. Metal Powder Industries Federation, p. 399-414 16 p. (Advances in Powder Metallurgy and Particulate Materials - 2018: Proceedings of the 2018 International Conference on Powder Metallurgy and Particulate Material, POWDERMET 2018; vol. 2018-June).

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

      3 Scopus citations
    • 2017

      Effect of porosity sealing by partial copper infiltration with subsequent inorgfanic compound impregnation on properties and microstructure of pm steel artifacts.

      Frayman, L., Quinn, S., Quinn, R. & Waryoba, D., 2017, Advances in Powder Metallurgy and Particulate Materials 2017 - Proceedings of the 2017 International Conference on Powder Metallurgy and Particulate Materials. Metal Powder Industries Federation, p. 930-946 17 p. (Advances in Powder Metallurgy and Particulate Materials 2017 - Proceedings of the 2017 International Conference on Powder Metallurgy and Particulate Materials; vol. 2017-June).

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

      1 Scopus citations
    • 2016

      A case study of interprofessional collaboration between engineering and health sciences students at Penn State DuBois

      Waryoba, D. R., Demi, L. & Fatula, A., Apr 20 2016, ISEC 2016 - Proceedings of the 6th IEEE Integrated STEM Education Conference. Institute of Electrical and Electronics Engineers Inc., p. 43-49 7 p. 7457552. (ISEC 2016 - Proceedings of the 6th IEEE Integrated STEM Education Conference).

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

      1 Scopus citations
    • 2015

      Electromagnetic compaction and densification of FL-5305 and FY-4500 PM parts

      Waryoba, D. R., Stringer, C. J., Powell, J. A. & Stiers, E., 2015, Advances in Powder Metallurgy and Particulate Materials - Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015. Metal Powder Industries Federation, (Advances in Powder Metallurgy and Particulate Materials - Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015).

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

    • 2014

      Diffusion bonding of bi-layered silver graphite-copper electrical contacts

      Waryoba, D. R., Johnson, J. A. & Stringer, C., 2014, Advances in Powder Metallurgy and Particulate Materials - 2014, Proceedings of the 2014 World Congress on Powder Metallurgy and Particulate Materials, PM 2014. Metal Powder Industries Federation, p. 936-945 10 p. (Advances in Powder Metallurgy and Particulate Materials - 2014, Proceedings of the 2014 World Congress on Powder Metallurgy and Particulate Materials, PM 2014).

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

      1 Scopus citations
    • 2007

      Polymer-stabilized PdRuSe nanoparticles for oxygen electrocatalysis

      Kalu, E. E., Ramos, K., Waryoba, D. & Kalu, P. N., 2007, ECS Transactions - 7th Symposium Devoted to Proton Exchange Membrane Fuel Cells. 1 PART 1 ed. p. 261-269 9 p. (ECS Transactions; vol. 11, no. 1 PART 1).

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

    • Texture and microstructure variation in severe plastic deformed OFHC Cu wires

      Kalu, P. N. & Waryoba, D. R., 2007, Fundamentals of Deformation and Annealing - Proceedings of the International Symposium held to coincide with the retirement of Professor John Humphreys. Trans Tech Publications Ltd, p. 509-514 6 p. (Materials Science Forum; vol. 550).

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

      Open Access
      2 Scopus citations
    • 2005

      Deformation and recrystallization texture of heavily drawn OFHC copper

      Waryoba, D. R. & Kalu, P. N., 2005, Textures of Materials, ICOTOM 14 - Proceedings of the 14th International Conference on Textures of Materials. PART 2 ed. Trans Tech Publications Ltd, p. 877-882 6 p. (Materials Science Forum; vol. 495-497, no. PART 2).

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

      2 Scopus citations
    • Textural and microstructural inhomogeneities in drawn and annealed OFHC copper wire

      Waryoba, D. R. & Kalu, P. N., 2005, Textures of Materials, ICOTOM 14 - Proceedings of the 14th International Conference on Textures of Materials. PART 2 ed. Trans Tech Publications Ltd, p. 895-900 6 p. (Materials Science Forum; vol. 495-497, no. PART 2).

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

      3 Scopus citations
    • Textural inhomogeneities in drawn and annealed OFHC copper wire

      Waryoba, D. R. & Kalu, P. N., 2005, EPD Congress 2005 - Proceedings of Sessions and Symposia Sponsored by the Extraction and Processing Division of The Minerals, Metals and Materials Society, held during the TMS 2005 Annual Meeting. p. 247-258 12 p.

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

      3 Scopus citations