EBSD measurements show increasing degree of misorientation within each grain of polycrystalline alloy (in this case 304SS). The misorientation from an ‘average’ orientation for each grain is found to follow a log-normal distribution. The mean of this distribution moves to higher values with increasing strain. This may provide a means of assessing extent of cold work in engineering structures.
Contact: Angus Wilkinson
Quantification of plastic strain of stainless steel and nickel alloy by electron backscatter diffraction, Kamaya M, Wilkinson AJ, Titchmarsh JM, Acta Materialia (2006), vol. 54, 239-248, doi:10.1016/j.actamat.2005.08.046
Measurement of plastic strain of polycrystalline material by electron backscatter diffraction, Kamaya M, Wilkinson AJ, Titchmarsh JM, Nuclear Engineering & Design (2005), vol. 235 , 713-725, doi:10.1016/j.nucengdes.2004.11.006