John Richard Hellmann, Jr.

    • 1303 Citations
    • 20 h-Index
    1981 …2017
    If you made any changes in Pure, your changes will be visible here soon.

    Fingerprint Dive into the research topics where John Richard Hellmann, Jr. is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

    • 5 Similar Profiles
    Aluminum Oxide Chemical Compounds
    Fibers Engineering & Materials Science
    Composite materials Engineering & Materials Science
    Zirconia Engineering & Materials Science
    Sapphire Engineering & Materials Science
    Alumina Engineering & Materials Science
    Glass Engineering & Materials Science
    Ceramic foams Engineering & Materials Science

    Network Recent external collaboration on country level. Dive into details by clicking on the dots.

    Research Output 1981 2017

    • 1303 Citations
    • 20 h-Index
    • 57 Article
    • 6 Conference contribution
    • 6 Conference article
    3 Citations (Scopus)

    A methodology for the accurate measurement of uniaxial compressive creep of refractory ceramics

    Longhin, M. E., Shelleman, D. L. & Hellmann, Jr., J. R., Dec 1 2017, In : Measurement: Journal of the International Measurement Confederation. 111, p. 69-83 15 p.

    Research output: Contribution to journalArticle

    refractories
    Refractory materials
    Creep
    methodology
    ceramics

    Proppants for shale gas and oil recovery: Engineering ceramics for stimulation of unconventional energy resources

    Hellmann, J. R., Scheetz, B. E., Luscher, W. G., Hartwich, D. G. & Koseski, R. P., Jan 1 2014, American Ceramic Society Bulletin, 93, 1, p. 28-35 8 p.

    Research output: Contribution to specialist publicationArticle

    Shale oil
    Proppants
    Energy resources
    Recovery
    Shale gas
    29 Citations (Scopus)

    SiAlON ceramics from preceramic polymers and nano-sized fillers: Application in ceramic joining

    Bernardo, E., Parcianello, G., Colombo, P., Adair, J. H., Barnes, A. T., Hellmann, J. R., Jones, B. H., Kruise, J. & Swab, J. J., Jun 1 2012, In : Journal of the European Ceramic Society. 32, 7, p. 1329-1335 7 p.

    Research output: Contribution to journalArticle

    Joining
    Silicones
    Fillers
    Polymers
    Aluminum Oxide
    2 Citations (Scopus)

    SiAlON-SiC sandwich structures with tailored surface compression

    Hoff, K., Green, D. J., Jin, Y., Ryba, E. & Hellmann, J. R., Jan 1 2012, In : International Journal of Applied Ceramic Technology. 9, 1, p. 91-99 9 p.

    Research output: Contribution to journalArticle

    Sandwich structures
    sandwich structures
    residual stress
    Residual stresses
    indentation
    2 Citations (Scopus)

    Experimental and finite element analysis of the API RP60 test

    Harris, J. T., Segall, A. E., Hellmann, J. R., Scheetz, B. E., Koseski, R. P. & Boyce, J. M., May 1 2011, In : Journal of Testing and Evaluation. 39, 3

    Research output: Contribution to journalArticle

    Proppants
    Application programming interfaces (API)
    Acoustic emissions
    Finite element method
    Pressure distribution