Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Buzz Wincheski"'
Publikováno v:
AIP Conference Proceedings.
Graphene, the first discovered and most studied two-dimensional material, has gained increasing interest in the research community due to a combination of unique optical, electronic transport, and structural properties. Single layer graphene is trans
Publikováno v:
NDT & E International. 43:718-725
The detection and characterization of deeply buried fatigue damage in thick, multi-layer airframe components pose significant technical challenges to the aviation safety community. Currently, no nondestructive evaluation technique is available to rel
Autor:
Emile J. Siochi, Phillip Williams, Jae-Woo Kim, Buzz Wincheski, Godfrey Sauti, Elliot R. Wainwright
Publikováno v:
AIP Conference Proceedings.
Recently, multiple commercial vendors have developed capability for the production of large-scale quantities of high-quality carbon nanotube sheets and yarns [1]. While the materials have found use in electrical shielding applications, development of
Publikováno v:
Materials Science and Engineering: A. 358:384-389
The exposure of as-produced HiPCo single-walled carbon nanotubes (SWNTs) to a camera flash causes ignition, (oxidation) and subsequent coalescence of the Fe catalyst particles, while purified SWNTs do not respond to flashing. TEM and electron energy
Publikováno v:
Inverse Problems. 18:795-823
In the field of nondestructive evaluation, new and improved techniques are constantly being sought to facilitate the detection of hidden corrosion and flaws in structures such as aeroplanes and pipelines. In this paper, we explore the feasibility of
Publikováno v:
AIP Conference Proceedings.
The incorporation of magnetic field sensors into eddy current probes can result in novel probe designs with unique performance characteristics. One such example is a recently developed electromagnetic probe consisting of a two-channel magnetoresistiv
Publikováno v:
Inverse Problems. 16:929-945
This paper uses eddy current based techniques and reduced order modeling to explore the feasibility of detecting a subsurface damage in structures such as air foils and pipelines. To identify the geometry of a damage, an optimization algorithm is emp
Publikováno v:
AIP Conference Proceedings.
Ferromagnetic shape-memory alloy (FSMA) particles undergo changes in both electromagnetic properties and crystallographic structure when strained. When embedded in a structural material, these attributes can provide sensory output of the strain state
Publikováno v:
AIP Conference Proceedings.
A two-channel magneto-resistive sensor with an embedded, single-strand eddy current inducer has been fabricated and tested for applications including sensory material characterization and the analysis of intermittent contact along compression boundar
Publikováno v:
AIP Conference Proceedings.
The integration of magneto‐resistive sensors into eddy current probes can significantly expand the capabilities of conventional eddy current nondestructive evaluation techniques. The room temperature solid‐state sensors have typical bandwidths in