Selected Work

Selected Characterisation Publications from our team

 

 

Digital Image Correlation

 

Using DIC for macro/meso scale measurements

[1] Y. Sakanashi, S. Gungor, A.N. Forsey, P.J. Bouchard, Measurement of Creep Deformation across Welds in 316H Stainless Steel Using Digital Image Correlation, Exp. Mech. (2016). doi:10.1007/s11340-016-0245-z.

 

[2] A.F. Mark, R. Moat, A. Forsey, H. Abdolvand, P.J. Withers, A new method for quantifying anisotropic martensitic transformation strains accumulated during constrained cooling, Mater. Sci. Eng. A. 611 (2014) 354–361. doi:10.1016/j.msea.2014.06.012.

 

Using DIC at micro-scales

[3] Y.B. Das, A.N. Forsey, T.H. Simm, K.M. Perkins, M.E. Fitzpatrick, S. Gungor, R.J. Moat, In situ observation of strain and phase transformation in plastically deformed 301 austenitic stainless steel, JMADE. 112 (2016) 107–116. doi:10.1016/j.matdes.2016.09.057.

 

[4] A.N. Forsey, Y.B. Das, T.H. Simm, D. Clarke, J. Boswell, S. Gungor, R.J. Moat, Mechanical property heterogeneity in additively manufactured nickel superalloy, Mater. Sci. Eng. A. 712 (2018) 681–684. doi:10.1016/j.msea.2017.12.025.

 

About 5 ppl in the world understand this, and we are at least one of them.

[5] A. Forsey, S. Gungor, Demosaicing images from colour cameras for digital image correlation, Opt. Lasers Eng. 86 (2016) 20–28. doi:10.1016/j.optlaseng.2016.05.006.

 

Diffraction Peak Profile Analysis DPPA

 

DPPA for understanding plastic deformation

[6] T.H. Simm, P.J. Withers, J. Quinta da Fonseca, An evaluation of diffraction peak profile analysis (DPPA) methods to study plastically deformed metals, Mater. Des. 111 (2016) 331–343. doi:10.1016/j.matdes.2016.08.091.

 

DPPA to model plasticity

 

[7] T.H. Simm, P.J. Withers, J. Quinta Da Fonseca, Peak broadening anisotropy in deformed face-centred cubic and hexagonal close-packed alloys, J. Appl. Crystallogr. 47 (2014) 1535–1551. doi:10.1107/S1600576714015751.

 

Small Angle Scattering

 

[8] T.H. Simm, L. Sun, D.R. Galvin, E.P. Gilbert, D. Alba Venero, Y. Li, T.L. Martin, P.A.J. Bagot, M.P. Moody, P. Hill, H.K.D.H. Bhadeshia, S. Birosca, M.J. Rawson, K.M. Perkins, D.A. Venero, Y. Li, T.L. Martin, P.A.J. Bagot, M.P. Moody, P. Hill, H.K.D.H. Bhadeshia, S. Birosca, M.J. Rawson, K.M. Perkins, A SANS and APT study of precipitate evolution and strengthening in a maraging steel, Mater. Sci. Eng. A. 702 (2017) 414–424. doi:10.1016/j.msea.2017.07.013.

[9] T.H. Simm, L. Sun, D.R. Galvin, P. Hill, M. Rawson, S. Birosca, E.P. Gilbert, H. Bhadeshia, K. Perkins, The Effect of a Two-Stage Heat-Treatment on the Microstructural and Mechanical Properties of a Maraging Steel, Materials (Basel). 10 (2017). 10.3390/ma10121346

 

TEM with APT

[10] L. Sun, T.H. Simm, T.L. Martin, S. Mcadam, D.R. Galvin, K.M. Perkins, P.A.J. Bagot, M.P. Moody, S.W. Ooi, P. Hill, M.J. Rawson, H.K.D.H. Bhadeshia, A novel ultra-high strength maraging steel with balanced ductility and creep resistance achieved by nanoscale b -NiAl and Laves phase precipitates, Acta Mater. 149 (2018) 285–301. doi:10.1016/j.actamat.2018.02.044.

 

Coming Soon

Technique development

  • More DIC + EBSD
  • GUIs for in-situ tesing (DIC + EBSD, variant quantification, polycrytal plasticity)

Others

  • Mechanical testing advances
  • Maraging steel waffle
  • Positron evaluation

 

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