Zobrazeno 1 - 10
of 22
pro vyhledávání: '"John P. Scully"'
Autor:
Runze Zhang, Debashish Sur, Kangming Li, Julia Witt, Robert Black, Alexander Whittingham, John R. Scully, Jason Hattrick-Simpers
Publikováno v:
npj Materials Degradation, Vol 8, Iss 1, Pp 1-7 (2024)
Abstract Electrochemical Impedance Spectroscopy (EIS) is a crucial technique for assessing corrosion of metallic materials. The analysis of EIS hinges on the selection of an appropriate equivalent circuit model (ECM) that accurately characterizes the
Externí odkaz:
https://doaj.org/article/7664c7498ea949ee99eba800956e87f9
Autor:
Bruno C. Batista, Elena Romanovskaia, Valentin Romanovski, Michael Emmanuel, James T. Burns, Ji Ma, Istvan Z. Kiss, John R. Scully, Oliver Steinbock
Publikováno v:
Advanced Science, Vol 11, Iss 39, Pp n/a-n/a (2024)
Abstract Corrosion processes are often discussed as stochastic events. Here, it is shown that some of these seemingly random processes are not driven by nanoscopic fluctuations but rather by the spatial distribution of micrometer‐scale heterogeneit
Externí odkaz:
https://doaj.org/article/30ff55b9850e44cbbf69a72f036432b5
Autor:
Yang Yang, Weiyue Zhou, Sheng Yin, Sarah Y. Wang, Qin Yu, Matthew J. Olszta, Ya-Qian Zhang, Steven E. Zeltmann, Mingda Li, Miaomiao Jin, Daniel K. Schreiber, Jim Ciston, M. C. Scott, John R. Scully, Robert O. Ritchie, Mark Asta, Ju Li, Michael P. Short, Andrew M. Minor
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-11 (2023)
Corrosion is a ubiquitous failure mode in materials. Here the authors report a percolating 1D wormhole corrosion morphology using advanced electron microscopy and theoretical simulations. The work presents a vacancy mapping method with nm-resolution,
Externí odkaz:
https://doaj.org/article/275ee5021a4743068a9dc01ef61ef3bb
Autor:
Jishnu J. Bhattacharyya, Samuel B. Inman, Mark A. Wischhusen, Jie Qi, Joseph Poon, John R. Scully, Sean R. Agnew
Publikováno v:
Materials & Design, Vol 228, Iss , Pp 111831- (2023)
A strategy for designing compositionally complex alloys (CCAs) achieving multiple objectives is articulated. In this specific case, the objectives are low density and cost, along with good strength, ductility, and aqueous corrosion resistance. The pr
Externí odkaz:
https://doaj.org/article/8ed08da2d4774c4a99e21ecb8ae14cf0
Publikováno v:
npj Materials Degradation, Vol 6, Iss 1, Pp 1-10 (2022)
Abstract The thermodynamic stability of chromium in the Cr0, Cr2+, and Cr3+ oxidation states considering various F− ion coordination compounds was investigated in molten LiF–NaF-KF (FLiNaK) eutectic salt. Potential fluoride ion activity (F− and
Externí odkaz:
https://doaj.org/article/3d82c582df404e67ad6b83c1fb886301
Autor:
Clara Nyby, Xiaolei Guo, James E. Saal, Szu-Chia Chien, Angela Y. Gerard, Huibin Ke, Tianshu Li, Pin Lu, Christian Oberdorfer, Sarita Sahu, Sirui Li, Christopher D. Taylor, Wolfgang Windl, John R. Scully, Gerald S. Frankel
Publikováno v:
Scientific Data, Vol 8, Iss 1, Pp 1-11 (2021)
Measurement(s) pitting potential • repassivation potential • Crevice corrosion potential • pitting temperature • Crevice corrosion temperature • corrosion current density • passive current density • corrosion rate • corrosion potentia
Externí odkaz:
https://doaj.org/article/2bae3d8a5cbf4b948d512f9a46332f2d
Publikováno v:
npj Materials Degradation, Vol 6, Iss 1, Pp 1-2 (2022)
Externí odkaz:
https://doaj.org/article/8596fe4c4a9d45a2a02b17850ac4e87f
Publikováno v:
Electrochemistry Communications, Vol 122, Iss , Pp 106900- (2021)
The frequency-dependent impedance of a metal/oxide/room temperature ionic liquid (RTIL) interface was separated into oxide layer (Cox) and double layer (Cdl) capacitances using electrochemical impedance spectroscopy (EIS). A pre-formed oxide of known
Externí odkaz:
https://doaj.org/article/e9e07450f53f408281fa0796a2d00e2d
Autor:
Gerald S. Frankel, John D. Vienna, Jie Lian, John R. Scully, Stephane Gin, Joseph V. Ryan, Jianwei Wang, Seong H. Kim, Wolfgang Windl, Jincheng Du
Publikováno v:
npj Materials Degradation, Vol 2, Iss 1, Pp 1-17 (2018)
Abstract All materials can suffer from environmental degradation; the rate and extent of degradation depend on the details of the material composition and structure as well as the environment. The corrosion of silicate glasses, crystalline ceramics,
Externí odkaz:
https://doaj.org/article/be80ae48169b46aa8252ba8d8d1f18d8
Autor:
Matthew E. McMahon, Raymond J. Santucci, Carol F. Glover, Balaji Kannan, Zachery R. Walsh, John R. Scully
Publikováno v:
Frontiers in Materials, Vol 6 (2019)
Pigmented coatings developed for the corrosion protection of engineering alloys have been successful in the field of corrosion control, and thus are ubiquitous in application. Supporting this success are an array of methods to diagnostically assess t
Externí odkaz:
https://doaj.org/article/e3b0754f02844a7aa140c5f15b8fb799