Search Results - "Connolley, T."

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  1. 1

    Influence of Fe-rich intermetallics on solidification defects in Al–Si–Cu alloys by Puncreobutr, C., Lee, P.D., Kareh, K.M., Connolley, T., Fife, J.L., Phillion, A.B.

    Published in Acta materialia (15-04-2014)
    “…To better understand the influence of Fe-rich intermetallics on solidification defect formation, fast in situ synchrotron X-ray tomographic microscopy…”
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  2. 2

    The spatial and temporal distribution of dendrite fragmentation in solidifying Al-Cu alloys under different conditions by Liotti, E., Lui, A., Kumar, S., Guo, Z., Bi, C., Connolley, T., Grant, P.S.

    Published in Acta materialia (01-12-2016)
    “…The directional columnar solidification of Al-Cu alloy dendrites was studied in-situ by synchrotron X-ray radiography to investigate the spatial and temporal…”
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  3. 3

    In situ synchrotron tomographic quantification of granular and intragranular deformation during semi-solid compression of an equiaxed dendritic Al–Cu alloy by Cai, B., Karagadde, S., Yuan, L., Marrow, T.J., Connolley, T., Lee, P.D.

    Published in Acta materialia (01-09-2014)
    “…Semi-solid deformation mechanisms are important in a range of manufacturing and natural phenomena, which range from squeeze casting to magma flows. Using fast…”
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  4. 4

    A synchrotron X-ray radiography study of dendrite fragmentation induced by a pulsed electromagnetic field in an Al–15Cu alloy by Liotti, E., Lui, A., Vincent, R., Kumar, S., Guo, Z., Connolley, T., Dolbnya, I.P., Hart, M., Arnberg, L., Mathiesen, R.H., Grant, P.S.

    Published in Acta materialia (15-05-2014)
    “…An in situ technique for studying the effect of a pulsed electromagnetic field on dendrite fragmentation behavior based on synchrotron X-ray imaging has been…”
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  5. 5

    Revealing the micromechanisms behind semi-solid metal deformation with time-resolved X-ray tomography by Kareh, K. M., Lee, P. D., Atwood, R. C., Connolley, T., Gourlay, C. M.

    Published in Nature communications (18-07-2014)
    “…The behaviour of granular solid–liquid mixtures is key when deforming a wide range of materials from cornstarch slurries to soils, rock and magma flows. Here…”
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  6. 6

    Time-resolved synchrotron tomographic quantification of deformation during indentation of an equiaxed semi-solid granular alloy by Cai, B., Lee, P.D., Karagadde, S., Marrow, T.J., Connolley, T.

    Published in Acta materialia (15-02-2016)
    “…Indentation is a well-established technique for measuring mechanical properties, such as hardness and creep, in solid materials at a continuum level. In this…”
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  7. 7

    Transgranular liquation cracking of grains in the semi-solid state by Karagadde, S., Lee, P. D., Cai, B., Fife, J. L., Azeem, M. A., Kareh, K. M., Puncreobutr, C., Tsivoulas, D., Connolley, T., Atwood, R. C.

    Published in Nature communications (10-09-2015)
    “…Grain refinement via semi-solid deformation is desired to obtain superior mechanical properties of cast components. Using quantitative in situ synchrotron…”
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  8. 8

    Quantifying fatigue overload retardation mechanisms by energy dispersive X-ray diffraction by C.A, Simpson, S, Kozuki, P, Lopez-Crespo, M, Mostafavi, T, Connolley, P.J, Withers

    “…The fatigue crack retardation mechanisms operating after an overload event are investigated for a bainitic steel using high spatial resolution energy…”
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  9. 9

    Hoop Strain Measurement During a SiC/SiC Ceramic Composite Tube Burst Test by Digital Volume Correlation of X-Ray Computed Tomographs by Zhao, S., Chen, Y., Saucedo-Mora, L., Connolley, T., Marrow, T. J.

    Published in Experimental mechanics (01-02-2023)
    “…Background Silicon carbide-fibre/silicon carbide matrix (SiC/SiC) composites are candidate materials for accident tolerant fuel cladding in light water and…”
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  10. 10

    Time-resolved synchrotron diffractometry of phase transformations in high strength nickel-based superalloys by Collins, D.M., Crudden, D.J., Alabort, E., Connolley, T., Reed, R.C.

    Published in Acta materialia (01-08-2015)
    “…Phase transformations in prototype high strength polycrystalline nickel-based superalloys of varying Ti/Nb ratio are studied using time-resolved, high…”
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  11. 11

    Unifying the effects of in and out-of-plane constraint on the fracture of ductile materials by Tonge, S.M., Simpson, C.A., Reinhard, C., Connolley, T., Sherry, A.H., Marrow, T.J., Mostafavi, M.

    “…Effects of plastic constraint on the fracture of materials have been studied extensively. Often in such studies, the plastic constraint is divided into…”
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  12. 12

    A synchrotron X-ray diffraction study of in situ biaxial deformation by Collins, D.M., Mostafavi, M., Todd, R.I., Connolley, T., Wilkinson, A.J.

    Published in Acta materialia (15-05-2015)
    “…The biaxial deformation of a ferritic sheet steel has been examined using high energy in situ X-ray diffraction. A purpose built biaxial loading mechanism was…”
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  13. 13

    Measurement of strain evolution in overloaded roller bearings using time-of-flight neutron diffraction by Reid, A., Marshall, M., Martinez, I., Moorby, S., Connolley, T., Mostafavi, M., Kabra, S.

    Published in Materials & design (01-05-2020)
    “…Neutron diffraction is an established method for non-destructively characterising residual stress or observing in situ strain during external stimuli. Neutron…”
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  14. 14

    In situ X-ray observation of semi-solid deformation and failure in Al–Cu alloys by Phillion, A.B., Hamilton, R.W., Fuloria, D., Leung, A.C.L., Rockett, P., Connolley, T., Lee, P.D.

    Published in Acta materialia (01-02-2011)
    “…Semi-solid deformation has been directly observed in an Al–12 wt.% Cu alloy through the combination of real-time synchrotron X-ray radiography and a bespoke…”
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  15. 15

    Time-resolved synchrotron tomographic quantification of deformation-induced flow in a semi-solid equiaxed dendritic Al–Cu alloy by Cai, B., Karagadde, S., Rowley, D., Marrow, T.J., Connolley, T., Lee, P.D.

    Published in Scripta materialia (01-07-2015)
    “…The rheology of semi-solid alloys has been studied by a novel in situ tomographic technique. Via extruding an equiaxed Al–15wt.%Cu alloy, the inhomogeneous…”
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  16. 16

    Region‐of‐interest tomography using filtered backprojection: assessing the practical limits by KYRIELEIS, A., TITARENKO, V., IBISON, M., CONNOLLEY, T., WITHERS, P.J.

    Published in Journal of microscopy (Oxford) (01-01-2011)
    “…Summary There are many cases where it is desirable to reconstruct at high resolution a small volume from a larger sample. Here we describe the outcomes of a…”
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  17. 17

    Characterisation of short fatigue cracks in titanium alloy IMI 834 using X-ray microtomography by Chapman, T.P., Kareh, K.M., Knop, M., Connolley, T., Lee, P.D., Azeem, M.A., Rugg, D., Lindley, T.C., Dye, D.

    Published in Acta materialia (15-10-2015)
    “…[Display omitted] A first attempt at the three-dimensional evaluation of naturally initiated surface connected and internal fatigue cracks is presented…”
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  18. 18

    Measurement of strain evolution in overloaded roller bearings using energy dispersive X-ray diffraction by Reid, A., Simpson, C., Martinez, I., Kabra, S., Connolley, T., Magdysyuk, O., Charlesworth, C., Marshall, M., Mostafavi, M.

    Published in Tribology international (01-12-2019)
    “…There are several mechanisms contributing towards detrimental damage in wind turbine gearbox bearings, with sudden overload events believed to reduce their…”
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  19. 19

    Mapping of axial plastic zone for roller bearing overloads using neutron transmission imaging by Reid, A., Martinez, I., Marshall, M., Minniti, T., Kabra, S., Kockelmann, W., Connolley, T., Mostafavi, M.

    Published in Materials & design (15-10-2018)
    “…Premature failure of wind turbine gearbox bearings is an ongoing concern for industry, with sudden overload events potentially contributing towards raceway…”
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  20. 20

    Short crack initiation and growth at 600 °C in notched specimens of Inconel718 by Connolley, T, Reed, P.A.S, Starink, M.J

    “…The natural initiation and growth of short cracks in Inconel®718 U-notch specimens has been studied at 600 °C in air. U notches were introduced through…”
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