Exploiting the features of energy-dispersive synchrotron diffraction for advanced residual stress and texture analysis:
2011
Responding to a growing interest from the materials science community for residual stress, texture, and microstructure analysis, strong efforts are made to enhance existing and develop novel methods that allow for fast in-situ studies at elevated temperature, measurements under external load, or residual strain, and stress scanning with high spatial resolution. In the paper, energy-dispersive diffraction using high-energy white synchrotron radiation is shown to provide some distinct advantages concerning residual stress and texture analysis, which mainly arise from the fact that the energy-dispersive diffraction mode allows for the measurement of complete diffraction patterns under fixed but arbitrary scattering angles, 2θ. A new two-detector set-up for simultaneous in- and out-of-plane diffraction analysis, which has been put into operation recently at the energy-dispersive materials science beamline EDDI at BESSY II, is introduced by using the examples of real-space residual stress and texture depth pro...
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