Dataset for: "Microstructural evolution of mechanically deformed polycrystalline silicon for kerfless photovoltaics" by M. Wu, J.D. Murphy, J. Jiang, P.R. Wilshaw, A.J. Wilkinson Accepted for publication in Physica Status Solidi A on 4th September 2018. DOI: 10.1002/pssa.201800578 The dataset (a single file in XLSX format) contains the data behind Figure 5 in the paper. Captions to the figure is given in the paper. Abbreviations, variables and methods used are defined in the paper. Please address any queries to john.d.murphy@warwick.ac.uk.